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  • Windows 7 laptop with two active network connections will not perform DNS AAAA lookup under certain conditions

    - by Jeff Loughridge
    My laptop has two network interfaces. The Ethernet interface connects directly to my provider's edge router. It obtains an IPv6 address via SLAAC. I manually set an IPv6 DNS server. The wireless interface connects to a CPE router that doesn't understand IPv6. If the wireless interface is disabled, I can reach the IPv6 Internet with no problems using the Ethernet interface. I run into problems when both interfaces are enabled and the wireless interface get its IPv4 DNS server via DHCP. Let's look at two scenarios. Wireless interface obtains IPv4 DNS server via DHCP - The CPE router (192.168.0.1) sends its address as the DNS server. In this scenario, Windows 7 will not perform AAAA lookups. The browser uses IPv4 transit to reach dual stack web sites. I can't reach IPv6-only web sites using domain names. I can reach IPv6-enabled web sites using IPv6 literals instead of the domain name. Wireless interface is manually configured with OpenDNS DNS server - Windows 7 performs AAAA lookups using IPv6 transit (via the Ethernet). Everything works fine. My dual homed set-up is definitely not standard. Still, the behavior is very strange to me. A valid IPv6 interface exists in my Ethernet interface. Why won't Windows attempt AAAA lookups in scenario #1? I've included the output of ipconfig /all and netstat -rn. C:\Program Files\Console>ipconfig /all Windows IP Configuration Host Name . . . . . . . . . . . . : jake Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : res.openband.net Wireless LAN adapter Wireless Network Connection 2: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter Physical Address. . . . . . . . . : C0-CB-38-06-54-F9 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Wireless LAN adapter Wireless Network Connection: Connection-specific DNS Suffix . : res.openband.net Description . . . . . . . . . . . : DW1520 Wireless-N WLAN Half-Mini Card Physical Address. . . . . . . . . : C0-CB-38-06-54-F9 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::fc39:9293:7d01:4a75%13(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.0.105(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : Wednesday, July 11, 2012 7:35:21 AM Lease Expires . . . . . . . . . . : Thursday, July 12, 2012 9:49:46 AM Default Gateway . . . . . . . . . : 192.168.0.1 DHCP Server . . . . . . . . . . . : 192.168.0.1 DHCPv6 IAID . . . . . . . . . . . : 364956472 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-80-F8-14-5C-26-0A-03-23-5C DNS Servers . . . . . . . . . . . : 208.67.222.222 NetBIOS over Tcpip. . . . . . . . : Enabled Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : res.openband.net Description . . . . . . . . . . . : Intel(R) 82577LM Gigabit Network Connection Physical Address. . . . . . . . . : 5C-26-0A-03-23-5C DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IPv6 Address. . . . . . . . . . . : 2607:2600:1:850:c0e9:211a:fd05:4e0b(Preferred) Temporary IPv6 Address. . . . . . : 2607:2600:1:850:3d29:1839:62db:c4c1(Preferred) Link-local IPv6 Address . . . . . : fe80::c0e9:211a:fd05:4e0b%12(Preferred) IPv4 Address. . . . . . . . . . . : 10.52.2.51(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.254.0 Lease Obtained. . . . . . . . . . : Monday, July 09, 2012 8:55:07 AM Lease Expires . . . . . . . . . . : Thursday, July 12, 2012 7:30:05 AM Default Gateway . . . . . . . . . : fe80::214:6aff:fe51:7f3f%12 10.52.2.1 DHCP Server . . . . . . . . . . . : 216.40.77.244 DNS Servers . . . . . . . . . . . : 2620:0:ccc::2 2620:0:ccd::2 216.40.77.126 216.40.77.244 NetBIOS over Tcpip. . . . . . . . : Enabled Ethernet adapter VMware Network Adapter VMnet1: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter for VMnet1 Physical Address. . . . . . . . . : 00-50-56-C0-00-01 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::4c61:495b:229e:281e%14(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.40.1(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : DHCPv6 IAID . . . . . . . . . . . : 469782614 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-80-F8-14-5C-26-0A-03-23-5C DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1 fec0:0:0:ffff::2%1 fec0:0:0:ffff::3%1 NetBIOS over Tcpip. . . . . . . . : Enabled Ethernet adapter VMware Network Adapter VMnet8: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter for VMnet8 Physical Address. . . . . . . . . : 00-50-56-C0-00-08 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::f996:61eb:8c00:45e6%15(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.17.1(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : DHCPv6 IAID . . . . . . . . . . . : 486559830 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-80-F8-14-5C-26-0A-03-23-5C DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1 fec0:0:0:ffff::2%1 fec0:0:0:ffff::3%1 NetBIOS over Tcpip. . . . . . . . : Enabled C:\Program Files\Console>netstat -rn =========================================================================== Interface List 17...c0 cb 38 06 54 f9 ......Microsoft Virtual WiFi Miniport Adapter 13...c0 cb 38 06 54 f9 ......DW1520 Wireless-N WLAN Half-Mini Card 12...5c 26 0a 03 23 5c ......Intel(R) 82577LM Gigabit Network Connection 11...5c ac 4c f8 b8 55 ......Bluetooth Device (Personal Area Network) 14...00 50 56 c0 00 01 ......VMware Virtual Ethernet Adapter for VMnet1 15...00 50 56 c0 00 08 ......VMware Virtual Ethernet Adapter for VMnet8 1...........................Software Loopback Interface 1 =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.52.2.1 10.52.2.51 10 0.0.0.0 0.0.0.0 192.168.0.1 192.168.0.105 100 10.52.2.0 255.255.254.0 On-link 10.52.2.51 261 10.52.2.51 255.255.255.255 On-link 10.52.2.51 261 10.52.3.255 255.255.255.255 On-link 10.52.2.51 261 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.0.0 255.255.255.0 On-link 192.168.0.105 306 192.168.0.105 255.255.255.255 On-link 192.168.0.105 306 192.168.0.255 255.255.255.255 On-link 192.168.0.105 306 192.168.17.0 255.255.255.0 On-link 192.168.17.1 276 192.168.17.1 255.255.255.255 On-link 192.168.17.1 276 192.168.17.255 255.255.255.255 On-link 192.168.17.1 276 192.168.40.0 255.255.255.0 On-link 192.168.40.1 276 192.168.40.1 255.255.255.255 On-link 192.168.40.1 276 192.168.40.255 255.255.255.255 On-link 192.168.40.1 276 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 10.52.2.51 261 224.0.0.0 240.0.0.0 On-link 192.168.0.105 306 224.0.0.0 240.0.0.0 On-link 192.168.40.1 276 224.0.0.0 240.0.0.0 On-link 192.168.17.1 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 10.52.2.51 261 255.255.255.255 255.255.255.255 On-link 192.168.0.105 306 255.255.255.255 255.255.255.255 On-link 192.168.40.1 276 255.255.255.255 255.255.255.255 On-link 192.168.17.1 276 =========================================================================== Persistent Routes: None IPv6 Route Table =========================================================================== Active Routes: If Metric Network Destination Gateway 12 261 ::/0 fe80::214:6aff:fe51:7f3f 1 306 ::1/128 On-link 12 13 2607:2600:1:850::/64 On-link 12 261 2607:2600:1:850:3d29:1839:62db:c4c1/128 On-link 12 261 2607:2600:1:850:c0e9:211a:fd05:4e0b/128 On-link 12 261 fe80::/64 On-link 13 281 fe80::/64 On-link 14 276 fe80::/64 On-link 15 276 fe80::/64 On-link 14 276 fe80::4c61:495b:229e:281e/128 On-link 12 261 fe80::c0e9:211a:fd05:4e0b/128 On-link 15 276 fe80::f996:61eb:8c00:45e6/128 On-link 13 281 fe80::fc39:9293:7d01:4a75/128 On-link 1 306 ff00::/8 On-link 12 261 ff00::/8 On-link 13 281 ff00::/8 On-link 14 276 ff00::/8 On-link 15 276 ff00::/8 On-link =========================================================================== Persistent Routes: None

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  • Setting up Edimax EW-7206APg as Universal Repeater

    - by Ondra Žižka
    Hi, I've troubles setting up Edimax EW-7206APg as a Universal Repeater. I've read few manuals, but they are unclear on certain points. I've managed the repeater to get to a state when it's in a "connected" state. I've set the same WPA passphrase as the router has because I haven't seen any other place to set it at. These are my settings: System Uptime 0day:1h:33m:11s Hardware Version Rev. A Runtime Code Version 1.32 Wireless Configuration Mode Universal Repeater ESSID edimax Channel Number 6 Security WPA-shared key BSSID 00:c0:9f:40:bd:38 Associated Clients 0 Wireless Repeater Interface Configuration ESSID Dusan Security WPA BSSID 00:4f:62:23:8f:7e State Connected LAN Configuration IP Address 192.168.0.10 Subnet Mask 255.255.255.0 Default Gateway 192.168.0.1 MAC Address 00:c0:9f:40:bd:37 This is ipconfig /all: Prípona DNS podle pripojení . . . : riomail.cz Popis . . . . . . . . . . . . . . : Intel(R) PRO/Wireless 2200BG Network Connection Fyzická Adresa. . . . . . . . . . : 00-0E-35-3D-77-68 Protokol DHCP povolen . . . . . . : Ano Automatická konfigurace povolena : Ano Adresa IP . . . . . . . . . . . . : 192.168.0.5 Maska podsíte . . . . . . . . . . : 255.255.255.0 Výchozí brána . . . . . . . . . . : 192.168.0.1 Server DHCP . . . . . . . . . . . : 192.168.0.1 Servery DNS . . . . . . . . . . . : 94.74.192.252 94.74.192.244 I can ping the repeater, I can ping the root AP, but not a DNS server or any other IP beyond the root AP. Anyone has an idea what's wrong? Thanks, Ondra

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  • Ubuntu: Failure to login with multiple video adapters

    - by tsilb
    Forgive my ignorance, for I am a complete linux noob. I have a computer with three video cards and six monitors. Works great on Windows. Trying to get it to run Ubuntu as well. It loads fine when I have it configured to run on one adapter; detects both screens, runs ok. But I want to turn the other 4 monitors on and run the whole thing as one extended desktop (one session, etc). So I downloaded and installed the newest ATI driver for Linux, which seems to work, kinda. I ran this to set up the screens: aticonfig --adapter=all --initial -f Now when I boot, Ubuntu seems to turn on all the screens (3 viewports, each with two cloned displays from what I can tell). When I enter my login info OR move the mouse off the main screen, the screens freeze and the kbd/ms become unresponsive. aticonfig generated xorg.conf included below. Have tried the following: aticonfig -initial -f - works, but only detects the primary adapter and 2 screens aticccle - Tells me I have to reboot after enabling the other cards. Then goes into above described freezing state. aticonfig --adapter=all --initial -f - see above Manually editing xorg.conf file with my limited knowledge - Was able to get two adapters running, but only the second adapter initialized while the primary stopped at the Ubuntu boot screen. Was unable to see the login prompt. Froze after I logged in blindly (was able to hear the login sound). Using generic "radeon" driver instead of ATI Proprietary driver with the above init attempts Toggling xinerama Various combinations of the above Hardware: Intel Core 2 Quad q6600 8GB DDR2 (3x) ATI Radeon HD 4680 5 monitors (21W, 21W, 22W Portrait, 22W Portrait, 19")and an HDTV (26"W, HDMI) in a horizontal arrangement I know next to nothing about Linux/Ubuntu aside from basic filesystem navigation, editing text files, and accessing my local and networked Windows stores and shares. Basically this is the most advanced thing I've had to do. I installed today. Please advise how to make this configuration work. my xorg.conf: Section "ServerLayout" Identifier "Layout0" Screen 0 "aticonfig-Screen[0]-0" 0 0 Screen "aticonfig-Screen[1]-0" RightOf "aticonfig-Screen[0]-0" Screen "aticonfig-Screen[2]-0" RightOf "aticonfig-Screen[1]-0" Option "RenderAccel" "true" Option "AllowGLXWithComposite" "true" EndSection Section "Files" EndSection Section "Module" EndSection Section "ServerFlags" Option "Xinerama" "0" EndSection Section "Monitor" Identifier "aticonfig-Monitor[0]-0" Option "VendorName" "ATI Proprietary Driver" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Monitor" Identifier "aticonfig-Monitor[1]-0" Option "VendorName" "ATI Proprietary Driver" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Monitor" Identifier "aticonfig-Monitor[2]-0" Option "VendorName" "ATI Proprietary Driver" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Device" Identifier "aticonfig-Device[0]-0" Driver "fglrx" BusID "PCI:1:0:0" EndSection Section "Device" Identifier "aticonfig-Device[1]-0" Driver "fglrx" BusID "PCI:3:0:0" EndSection Section "Device" Identifier "aticonfig-Device[2]-0" Driver "fglrx" BusID "PCI:4:0:0" EndSection Section "Screen" Identifier "aticonfig-Screen[0]-0" Device "aticonfig-Device[0]-0" Monitor "aticonfig-Monitor[0]-0" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Section "Screen" Identifier "aticonfig-Screen[1]-0" Device "aticonfig-Device[1]-0" Monitor "aticonfig-Monitor[1]-0" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection Section "Screen" Identifier "aticonfig-Screen[2]-0" Device "aticonfig-Device[2]-0" Monitor "aticonfig-Monitor[2]-0" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection

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  • Dual head setup for Ubuntu 10.04.1 and Windows XP Pro with same hardware configuration

    - by mejpark
    Hello. I have a Dell OptiPlex 360 workstation at work, with 2 x ATI RV280 [Radeon 9200 PRO] graphics cards installed, which are attached to two identical 19" HII flat panel monitors. I'm using the open source Radeon driver with Ubuntu, and the proprietary drivers with Windows. The good news is that dual head configuration works for both OSes. The bad news is, I have to use a different hardware configuration for each OS to achieve this. Hardware config #1: Dual monitors work for Windows XP Pro like this: First display -> external VGA port Second display -> DVI input on gfx card Hardware config #2: Dual monitors work for Ubuntu 10.04.1 like this: First display -> VGA port on gfx card Second display -> DVI input on gfx card I connected up the displays according to Config #2 and booted up Windows, which resulted in a mirror image on both screens. I was unable to login, as the login box was not visible. I unplugged the VGA lead from gfx card and plugged it into the external VGA port (Config #1) - Windows dual head works again, but the VGA-connected screen is not recognised by Ubuntu and remains in standby mode. Is it possible to configure a dual head setup for Ubuntu using Config #1, or am I missing something? I tried setting up dual monitors using Config #1, this morning which didn't work. By default, there is no xorg.conf file in Ubuntu 10.04.1, so I generated one using: $ sudo X :2 -configure X.Org X Server 1.7.6 Release Date: 2010-03-17 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-27-server i686 Ubuntu Current Operating System: Linux harrier 2.6.32-24-generic #42-Ubuntu SMP Fri Aug 20 14:24:04 UTC 2010 i686 Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=a34c1931-98d4-4a34-880c-c227a2936c4a ro quiet splash Build Date: 21 July 2010 12:47:34PM xorg-server 2:1.7.6-2ubuntu7.3 (For technical support please see http://www.ubuntu.com/support) Current version of pixman: 0.16.4 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.2.log", Time: Mon Sep 13 10:02:02 2010 List of video drivers: apm ark intel mach64 s3virge trident mga tseng ati nouveau neomagic i740 openchrome voodoo s3 i128 radeon siliconmotion nv ztv vmware v4l chips rendition savage sisusb tdfx geode sis r128 cirrus fbdev vesa (++) Using config file: "/home/michael/xorg.conf.new" (==) Using config directory: "/usr/lib/X11/xorg.conf.d" (II) [KMS] No DRICreatePCIBusID symbol, no kernel modesetting. Xorg detected your mouse at device /dev/input/mice. Please check your config if the mouse is still not operational, as by default Xorg tries to autodetect the protocol. Xorg has configured a multihead system, please check your config. Your xorg.conf file is /home/michael/xorg.conf.new To test the server, run 'X -config /home/michael/xorg.conf.new' ddxSigGiveUp: Closing log $ sudo X -config /home/michael/xorg.conf.new Fatal server error: Server is already active for display 0 If this server is no longer running, remove /tmp/.X0-lock and start again. Please consult the The X.Org Foundation support at http://wiki.x.org for help. ddxSigGiveUp: Closing log I then booted Ubuntu in failsafe mode, dropped into root shell, and executed $ X -config /home/michael/xorg.conf.new again. The screen went blank and turned off, so I reset the machine. There must be a way round this. Any help to set up a dual head config for Ubuntu using Config #1 would be hugely appreciated. TIA, Mike

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  • Ubuntu 12.04 KVM running Ubuntu 12.04 with linux-image-virtual crash on boot

    - by D.Mill
    One of my VMs is stuck on "pause" in virsh. If I destroy and restart it, it will go to pause after a bit of time as "running". I can at best enter my username at login if I'm quick but it'll then shutdown. I don't know where to start with this so any help would be great!! I can access the VMs files via guestfish. the kern.log and syslog don't populate new lines. This is the last input I get from kern.log: Dec 13 11:21:08 soft201 kernel: imklog 5.8.6, log source = /proc/kmsg started. Dec 13 11:21:08 soft201 kernel: [ 0.000000] Initializing cgroup subsys cpuset Dec 13 11:21:08 soft201 kernel: [ 0.000000] Initializing cgroup subsys cpu Dec 13 11:21:08 soft201 kernel: [ 0.000000] Linux version 3.2.0-34-virtual (buildd@allspice) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #53-Ubuntu SMP Thu Nov 15 11:08:40 UTC 2012 (Ubuntu 3.2.0-34.53-virtual 3.2.33) Dec 13 11:21:08 soft201 kernel: [ 0.000000] Command line: root=UUID=61d48b48-a06a-48fb-842e-b38014086a93 ro quiet splash Dec 13 11:21:08 soft201 kernel: [ 0.000000] KERNEL supported cpus: Dec 13 11:21:08 soft201 kernel: [ 0.000000] Intel GenuineIntel Dec 13 11:21:08 soft201 kernel: [ 0.000000] AMD AuthenticAMD Dec 13 11:21:08 soft201 kernel: [ 0.000000] Centaur CentaurHauls Dec 13 11:21:08 soft201 kernel: [ 0.000000] BIOS-provided physical RAM map: Dec 13 11:21:08 soft201 kernel: [ 0.000000] BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) Dec 13 11:21:08 soft201 kernel: [ 0.000000] BIOS-e820: 0000000000100000 - 00000000dfffc000 (usable) Dec 13 11:21:08 soft201 kernel: [ 0.000000] BIOS-e820: 00000000dfffc000 - 00000000e0000000 (reserved) Dec 13 11:21:08 soft201 kernel: [ 0.000000] BIOS-e820: 00000000feffc000 - 00000000ff000000 (reserved) Dec 13 11:21:08 soft201 kernel: [ 0.000000] BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved) Dec 13 11:21:08 soft201 kernel: [ 0.000000] BIOS-e820: 0000000100000000 - 0000000a20000000 (usable) Dec 13 11:21:08 soft201 kernel: [ 0.000000] NX (Execute Disable) protection: active Dec 13 11:21:08 soft201 kernel: [ 0.000000] DMI 2.4 present. Dec 13 11:21:08 soft201 kernel: [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2007 Dec 13 11:21:08 soft201 kernel: [ 0.000000] e820 update range: 0000000000000000 - 0000000000010000 (usable) ==> (reserved) Dec 13 11:21:08 soft201 kernel: [ 0.000000] e820 remove range: 00000000000a0000 - 0000000000100000 (usable) Dec 13 As you can see the last line gets cut off. I don't even know if this is that relevant. dmesg logs are empty. The qemu log for the VM returns this: 2012-12-13 12:29:47.584+0000: starting up LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 40960 -smp 14,sockets=14,cores=1,threads=1 -name numerink201 -uuid f4a889ed-a089-05d0-cc9d-9825ab1faeba -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/numerink201.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/var/lib/libvirt/images/client.soft.fr/tmpcZAD9U.qcow2,if=none,id=drive-ide0-0-0,format=qcow2 -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -fsdev local,security_model=none,id=fsdev-fs0,path=/home/shared_folders/soft201 -device virtio-9p-pci,id=fs0,fsdev=fsdev-fs0,mount_tag=hostshare,bus=pci.0,addr=0x5 -netdev tap,fd=18,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=02:00:00:1d:b9:e7,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -usb -vnc 127.0.0.1:0 -vga cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 char device redirected to /dev/pts/3 qemu: terminating on signal 15 from pid 28248 2012-12-13 12:30:14.455+0000: shutting down I've added more logging, libvirt.log gives me this: 2012-12-13 13:24:38.525+0000: 27694: info : libvirt version: 0.9.8 2012-12-13 13:24:38.525+0000: 27694: error : virExecWithHook:328 : Cannot find 'pm-is-supported' in path: No such file or directory 2012-12-13 13:24:38.525+0000: 27694: warning : qemuCapsInit:856 : Failed to get host power management capabilities 2012-12-13 13:24:39.865+0000: 27694: error : virExecWithHook:328 : Cannot find 'pm-is-supported' in path: No such file or directory 2012-12-13 13:24:39.865+0000: 27694: warning : lxcCapsInit:77 : Failed to get host power management capabilities 2012-12-13 13:24:39.866+0000: 27694: error : virExecWithHook:328 : Cannot find 'pm-is-supported' in path: No such file or directory 2012-12-13 13:24:39.866+0000: 27694: warning : umlCapsInit:87 : Failed to get host power management capabilities I don't really know where to go from here. I'll post whatever info you require

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  • Lag spikes at full CPU usage, lagy mouse, maybe video card

    - by Roberts
    My PC specs: Motherboard Name - Gigabyte GA-945PL-S3 CPU Type - DualCore Intel Core 2 Duo E4300, 1800 MHz (9 x 200) OS - Microsoft Windows 7 Ultimate OS Kernel Type - 32-bit OS Version - 6.1.7601 I bougth a new video card one month ago. GeForce 210. I didn't have any problems. I wanted to overclock it, in other words: "Play with it". So I installed Gigabyte EasyBoost from CD and overclocked the GPU 590 + 110 mhz, memory to max to 960mhz from 800mhz. Benchmarks showed a little bit bigger score. Then I overclocked shader clock from 1405 to [..] (don't remeber really). So I was playing Modern Warfare 2 when off sudden computer froze when I wanted to select team, I was afk before that. I had to reset CMOS. After that I had problems with Skype: unread messages and no sound. Then I figured it out that when ever I open EasyBoost - Skype starts to glitch again. Now I use EVGA Precission X. Now after a month, I cleaned computer and closed the case, it was open all the time. I started to overclock GPU clock only (just a bit) because there was no problems that would stop me. So sometimes on heavy CPU load graphics starts to lag. Dragging a window is painful to watch too. Sometimes the screen freezes for 5 to 10 seconds (I can see that hard disk activity is maximal). You may say that CPU fault it is, isn't it? But sometimes lag spikes starts randomly when CPU load is at maximum. All 3 benchmark softwares (PerformanceTest, NovaBench and MSI Kombustor) shows that performance of my video card has dropped about 25%. BUT! CPU score is lower too. I ignored these problems but when I refreshed Windows Experience Index I was shocked. Month before (in latvian language but not so hard to understand): Now 01.04.2012 (upgraded RAM): This happened when I tried to capture Minecraft with Fraps on underclocked GPU to 580mhz (def: 590mhz): All drivers are up to date. Average CPU temperature from 55°C to 75°C (at 70°C sometimes starts these lag spikes). Video card's tempratures are from 45°C to 60°C (very hard to reach 60°C). So my hope is that the video card is fine, cause this card is very new and I want to upgrade CPU anyways. Aplogies for my mistakes in vocabulary (I am trying to type this as fast I can). Update 02.04.2012 - 7:21 Forgot one thing, my hard disk is extrimly slow and I will upgrade it this week or next week so I will be installing same OS again. I am multi-tasker but I can't do much because of 1.8 GHz CPU and slow hard drive (Model ID - WDC WD800JD-60JRC0). The Windows Experience Index is back to normal. Actually "Spelu grafika" (Gaming graphics) are higher than month ago. During this test mouse was very lagy, but month ago there weren't any problems. WHY!?

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  • django, mod_wsgi, MySQL High CPU - Problems

    - by Red Rover
    I am having a problem with an OSQA site. It is Django/Apache/mod_wsgi configured site. Every hour, the CPU spikes to 164% (Average) for task HTTPD. After 10 minutes, it frees back up. I have reviewed the logs, cron tables, made many config changes, but cannot track this problem down. Can someone please look at the information below and let me know if it is a configuration problem, or if anyone else has experienced this issue. Running TOP shows HTTPD using 165% of CPU VMware performance monitor also displays spikes. This happens every hour for 10 minutes. I have the following information from server status Server Version: Apache/2.2.15 (Unix) DAV/2 mod_wsgi/3.2 Python/2.6.6 Server Built: Feb 7 2012 09:50:15 Current Time: Sunday, 10-Jun-2012 21:44:29 EDT Restart Time: Sunday, 10-Jun-2012 19:44:51 EDT Parent Server Generation: 0 Server uptime: 1 hour 59 minutes 37 seconds Total accesses: 1088 - Total Traffic: 11.5 MB CPU Usage: u80.26 s243.8 cu0 cs0 - 4.52% CPU load .152 requests/sec - 1682 B/second - 10.8 kB/request 4 requests currently being processed, 11 idle workers ....._..........__......W....................................... ...................................C._..._....._L__._L_._....... ...................... Scoreboard Key: "_" Waiting for Connection, "S" Starting up, "R" Reading Request, "W" Sending Reply, "K" Keepalive (read), "D" DNS Lookup, "C" Closing connection, "L" Logging, "G" Gracefully finishing, "I" Idle cleanup of worker, "." Open slot with no current process Srv PID Acc M CPU SS Req Conn Child Slot Client VHost Request 0-0 - 0/0/34 . 0.42 327 17 0.0 0.00 0.67 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 1-0 - 0/0/22 . 0.31 339 32 0.0 0.00 0.26 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 2-0 - 0/0/22 . 0.65 358 10 0.0 0.00 0.31 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 3-0 - 0/0/31 . 1.03 378 31 0.0 0.00 0.60 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 4-0 - 0/0/20 . 0.45 356 9 0.0 0.00 0.31 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 5-0 18852 0/16/34 _ 0.98 27 18120 0.0 0.37 0.62 69.180.250.36 osqa.informs.org GET /questions/289/what-is-the-difference-between-operations-re 6-0 - 0/0/32 . 0.94 309 29 0.0 0.00 0.64 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 7-0 - 0/0/31 . 1.15 382 32 0.0 0.00 0.75 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 8-0 - 0/0/21 . 0.28 403 19 0.0 0.00 0.20 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 9-0 - 0/0/32 . 1.37 288 16 0.0 0.00 0.60 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 10-0 - 0/0/33 . 1.72 383 16 0.0 0.00 0.40 127.0.0.1 osqa.informs.org OPTIONS * HTTP/1.0 I am running Django 1.3 This is a mod_wsgi configuration and copied is the wsgi.conf file: <IfModule !python_module> <IfModule !wsgi_module> LoadModule wsgi_module modules/mod_wsgi.so <IfModule wsgi_module> <Directory /var/www/osqa> Order allow,deny Allow from all #Deny from all </Directory> WSGISocketPrefix /var/run/wsgi WSGIPythonEggs /var/tmp WSGIDaemonProcess OSQA maximum-requests=10000 WSGIProcessGroup OSQA Alias /admin_media/ /usr/lib/python2.6/site-packages/Django-1.2.5-py2.6.egg/django/contrib/admin/media/ Alias /m/ /var/www/osqa/forum/skins/ Alias /upfiles/ /var/www/osqa/forum/upfiles/ <Directory /var/www/osqa/forum/skins> Order allow,deny Allow from all </Directory> WSGIScriptAlias / /var/www/osqa/osqa.wsgi </IfModule> </IfModule> </IfModule> This is the httpd.conf file Timeout 120 KeepAlive Off MaxKeepAliveRequests 100 MaxKeepAliveRequests 400 KeepAliveTimeout 3 <IfModule prefork.c> Startservers 15 MinSpareServers 10 MaxSpareServers 20 ServerLimit 50 MaxClients 50 MaxRequestsPerChild 0 </IfModule> <IfModule worker.c> StartServers 4 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 75 ThreadsPerChild 25 MaxRequestsPerChild 0 </IfModule> We are using MySQL The server is an ESX4i, configured for the VM to use 4 CPUs and 8 GB Ram. Hyper threading is enabled, 2 physical CPU's, with 4 Logical. the CPU are Intel Xeon 2.8 GHz. Total memory is 12GB

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  • Windows 7 BSOD - ntoskrnl?

    - by Ken Mason
    2 new HP Pavilion notebooks with 7 Home Premium pre-loaded with Norton. My first act was to use the Norton Removal Tool and load ZoneAlarm free and AVG Free. Frequent random BSOD's ever since...I found my way into Debug and have had various reports regarding ntoskrnl, depending on the status of symbols. It's been many years since I played with (DOS 3.x) debug, so this has been a considerable fumble. Excerpts follow and any insights would be greatly appreciated, as I am not a developer: ADDITIONAL_DEBUG_TEXT: Use '!findthebuild' command to search for the target build information. If the build information is available, run '!findthebuild -s ; .reload' to set symbol path and load symbols. MODULE_NAME: nt FAULTING_MODULE: fffff8000305d000 nt DEBUG_FLR_IMAGE_TIMESTAMP: 4b88cfeb BUGCHECK_STR: 0x7f_8 CUSTOMER_CRASH_COUNT: 1 DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT CURRENT_IRQL: 0 LAST_CONTROL_TRANSFER: from fffff800030ccb69 to fffff800030cd600 STACK_TEXT: fffff80004d6fd28 fffff800030ccb69 : 000000000000007f 0000000000000008 0000000080050033 00000000000006f8 : nt+0x70600 fffff80004d6fd30 000000000000007f : 0000000000000008 0000000080050033 00000000000006f8 fffff80003095e58 : nt+0x6fb69 fffff80004d6fd38 0000000000000008 : 0000000080050033 00000000000006f8 fffff80003095e58 0000000000000000 : 0x7f fffff80004d6fd40 0000000080050033 : 00000000000006f8 fffff80003095e58 0000000000000000 0000000000000000 : 0x8 fffff80004d6fd48 00000000000006f8 : fffff80003095e58 0000000000000000 0000000000000000 0000000000000000 : 0x80050033 fffff80004d6fd50 fffff80003095e58 : 0000000000000000 0000000000000000 0000000000000000 0000000000000000 : 0x6f8 fffff80004d6fd58 0000000000000000 : 0000000000000000 0000000000000000 0000000000000000 0000000000000000 : nt+0x38e58 STACK_COMMAND: kb FOLLOWUP_IP: nt+70600 fffff800`030cd600 48894c2408 mov qword ptr [rsp+8],rcx SYMBOL_STACK_INDEX: 0 SYMBOL_NAME: nt+70600 FOLLOWUP_NAME: MachineOwner IMAGE_NAME: ntoskrnl.exe BUCKET_ID: WRONG_SYMBOLS Followup: MachineOwner ...................................................................... 0: kd !lmi nt Loaded Module Info: [nt] Module: ntkrnlmp Base Address: fffff8000305d000 Image Name: ntkrnlmp.exe Machine Type: 34404 (X64) Time Stamp: 4b88cfeb Sat Feb 27 00:55:23 2010 Size: 5dc000 CheckSum: 545094 Characteristics: 22 perf Debug Data Dirs: Type Size VA Pointer CODEVIEW 25, 19c65c, 19bc5c RSDS - GUID: {7E9A3CAB-6268-45DE-8E10-816E3080A3B7} Age: 2, Pdb: ntkrnlmp.pdb CLSID 4, 19c658, 19bc58 [Data not mapped] Image Type: FILE - Image read successfully from debugger. ntkrnlmp.exe Symbol Type: PDB - Symbols loaded successfully from symbol server. d:\debugsymbols\ntkrnlmp.pdb\7E9A3CAB626845DE8E10816E3080A3B72\ntkrnlmp.pdb Load Report: public symbols , not source indexed d:\debugsymbols\ntkrnlmp.pdb\7E9A3CAB626845DE8E10816E3080A3B72\ntkrnlmp.pdb 0: kd !analyze -v * Bugcheck Analysis * * UNEXPECTED_KERNEL_MODE_TRAP (7f) This means a trap occurred in kernel mode, and it's a trap of a kind that the kernel isn't allowed to have/catch (bound trap) or that is always instant death (double fault). The first number in the bugcheck params is the number of the trap (8 = double fault, etc) Consult an Intel x86 family manual to learn more about what these traps are. Here is a portion of those codes: If kv shows a taskGate use .tss on the part before the colon, then kv. Else if kv shows a trapframe use .trap on that value Else .trap on the appropriate frame will show where the trap was taken (on x86, this will be the ebp that goes with the procedure KiTrap) Endif kb will then show the corrected stack. Arguments: Arg1: 0000000000000008, EXCEPTION_DOUBLE_FAULT Arg2: 0000000080050033 Arg3: 00000000000006f8 Arg4: fffff80003095e58 Debugging Details: BUGCHECK_STR: 0x7f_8 CUSTOMER_CRASH_COUNT: 1 DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT PROCESS_NAME: System CURRENT_IRQL: 2 LAST_CONTROL_TRANSFER: from fffff800030ccb69 to fffff800030cd600 STACK_TEXT: fffff80004d6fd28 fffff800030ccb69 : 000000000000007f 0000000000000008 0000000080050033 00000000000006f8 : nt!KeBugCheckEx fffff80004d6fd30 fffff800030cb032 : 0000000000000000 0000000000000000 0000000000000000 0000000000000000 : nt!KiBugCheckDispatch+0x69 fffff80004d6fe70 fffff80003095e58 : 0000000000000000 0000000000000000 0000000000000000 0000000000000000 : nt!KiDoubleFaultAbort+0xb2 fffff880089efc60 0000000000000000 : 0000000000000000 0000000000000000 0000000000000000 0000000000000000 : nt!SeAccessCheckFromState+0x58 STACK_COMMAND: kb FOLLOWUP_IP: nt!KiDoubleFaultAbort+b2 fffff800`030cb032 90 nop SYMBOL_STACK_INDEX: 2 SYMBOL_NAME: nt!KiDoubleFaultAbort+b2 FOLLOWUP_NAME: MachineOwner MODULE_NAME: nt IMAGE_NAME: ntkrnlmp.exe DEBUG_FLR_IMAGE_TIMESTAMP: 4b88cfeb FAILURE_BUCKET_ID: X64_0x7f_8_nt!KiDoubleFaultAbort+b2 BUCKET_ID: X64_0x7f_8_nt!KiDoubleFaultAbort+b2 Followup: MachineOwner I tried running Rootkit Revealer but I don't think it works on x64 systems. Similarly Blacklight seems to have aged off. I'm running Sophos Anti-Rootkit now. So far so good...

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  • Python in command line runs the wrong version?

    - by Deflect
    I have several versions of Python installed on a Windows 7 computer. I want to run Python 2.7 by default, but for whatever reason, typing python in the command line runs Python version 2.4.5. I've tried adding C:\Python27 to my system path variable as per this question, and manually combed my path variable it to make sure Python 2.4.5 wasn't tossed in there by mistake, but that didn't fix the issue. I have to type in C:\Python27\python.exe every time I want to access the correct version of python I want. What other places can I check? How can I make the command line use the correct version of python? I also found this but it's not for windows. [EDIT] My path (separated by semicolons): C:\Program Files\Common Files\Microsoft Shared\Windows Live; C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live; C:\Windows\system32; C:\Windows; C:\Windows\System32\Wbem; C:\Windows\System32\WindowsPowerShell\v1.0\; C:\Program Files\Dell\DW WLAN Card\Driver; C:\Program Files (x86)\Common Files\Roxio Shared\DLLShared\; C:\Program Files (x86)\Windows Live\Shared; c:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\; c:\Program Files\Microsoft SQL Server\100\Tools\Binn\; c:\Program Files\Microsoft SQL Server\100\DTS\Binn\; C:\Program Files\TortoiseGit\bin; C:\Program Files\Java\jdk1.6.0_26\bin; C:\Program Files\Java\jdk1.6.0_21 ; C:\Program Files\IVI Foundation\VISA\Win64\Bin\; C:\Program Files (x86)\IVI Foundation\VISA\WinNT\Bin\; C:\Program Files (x86)\IVI Foundation\VISA\WinNT\Bin; C:\Program Files\WPIJavaCV\OpenCV_2.2.0\bin; C:\Program Files (x86)\LilyPond\usr\bin; C:\Program Files\TortoiseSVN\bin; C:\Program Files (x86)\doxygen\bin; C:\Program Files (x86)\Graphviz 2.28\bin; C:\Users\Michael\bin\Misc\cppcheck\; C:\Program Files (x86)\Git\cmd; C:\Python27\python.exe; C:\Ruby192\bin; C:\Users\Michael\AppData\Roaming\cabal\bin; C:\Python27\; [EDIT 2] Running python spews this out: 'import site' failed; used -v for traceback Python 2.4.5 (#1, Jul 22 2011, 02:01:04) [GCC 4.1.1] on mingw32 Type "help", "copyright", "credits" or "license" for more information. >>> ...and running python --version (as suggested below) seems to be an unrecognized option. (I also tried running python -v, and it appears that Python 2.4 is trying to import libraries from C:\Python27\Lib, and failed due to a syntax error when it encountered a with statement, which was added in later version, I think) Also, I'm not sure if it's significant or not, but the above python version says something about GCC and mingw32, while running C:\python27\python.exe shows this: Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>>>

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  • Linux not buffering block I/O when the device is not "in use" (i.e. mounted)

    - by Radek Hladík
    I am installing new server and I've found an interesting issue. The server is running Fedora 19 (3.11.7-200.fc19.x86_64 kernel) and is supposed to host a few KVM/Qemu virtual servers (mail server, file server, etc..). The HW is Intel(R) Xeon(R) CPU 5160 @ 3.00GHz with 16GB RAM. One of the most important features will be Samba server and we have decided to make it as virtual machine with almost direct access to the disks. So the real HDD is cached on SSD (via bcache) then raided with md and the final device is exported into the virtual machine via virtio. The virtual machine is again Fedora 19 with the same kernel. One important topic to find out is whether the virtualization layer will not introduce high overload into disk I/Os. So far I've been able to get up to 180MB/s in VM and up to 220MB/s on real HW (on the SSD disk). I am still not sure why the overhead is so big but it is more than the network can handle so I do not care so much. The interesting thing is that I've found that the disk reads are not buffered in the VM unless I create and mount FS on the disk or I use the disks somehow. Simply put: Lets do dd to read disk for the first time (the /dev/vdd is an old Raptor disk 70MB/s is its real speed): [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 36.8038 s, 71.2 MB/s Buffers: 14444 kB Rereading the data shows that they are cached somewhere but not in buffers of the VM. Also the speed increased to "only" 500MB/s. The VM has 4GB of RAM (more that the test file) [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 5.16016 s, 508 MB/s Buffers: 14444 kB [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 5.05727 s, 518 MB/s Buffers: 14444 kB Now lets mount the FS on /dev/vdd and try the dd again: [root@localhost ~]# mount /dev/vdd /mnt/tmp [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 4.68578 s, 559 MB/s Buffers: 2574592 kB [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 1.50504 s, 1.7 GB/s Buffers: 2574592 kB While the first read was the same, all 2.6GB got buffered and the next read was at 1.7GB/s. And when I unmount the device: [root@localhost ~]# umount /mnt/tmp [root@localhost ~]# cat /proc/meminfo | grep Buffers Buffers: 14452 kB [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 5.10499 s, 514 MB/s Buffers: 14468 kB The bcache was disabled while testing and the results are same on faster (newer) HDDs and on SSD (except for the initial read speed of course). To sum it up. When I read from the device via dd first time, it gets read from the disk. Next time I reread it gets cached in the host but not in the guest (thats actually the same issue, more on that later). When I mount the filesystem but try to read the device directly it gets cached in VM (via buffers). As soon as I stop "using" it, buffers are discarded and the device is not cached anymore in the VM. When I looked into buffers value on the host I realized that the situation is the same. The block I/O gets buffered only when the disk is in use, in this case it means "exported to a VM". On host, after all the measurement done: 3165552 buffers On the host, after the VM shutdown: 119176 buffers I know it is not important as the disks will be mounted all the time but I am curious and I would like to know why it is working like this.

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  • Minecraft server Rkit ubuntu upstart [closed]

    - by user1637491
    I have an Intel server running Ubuntu Server 12.04.1 I am working on moving my CraftBukkit Minecraft Server to the new platform. I read the upstart ubuntu cookbook and wrote a .conf file I have a minecraft user (named minecraft) and its home Directory is /home/minecraft it contains prwxrwxrwx 1 minecraft minecraft 0 Sep 19 14:49 command-fifo drwx------ 8 minecraft minecraft 4096 Sep 19 14:50 HDsaves drwx------ 2 minecraft minecraft 4096 Aug 31 15:13 logrolls -rw-r--r-- 1 root root 5 Sep 19 14:49 minecraft.pid drwxrwxrwx 8 minecraft minecraft 180 Sep 19 14:49 ramdisk -rw------- 1 minecraft minecraft 119 Sep 19 10:34 save.sh drwxrwxrwx 9 minecraft minecraft 4096 Sep 19 14:50 server -rw-rw-r-- 1 minecraft minecraft 44 Aug 31 11:40 shutdown.sh the server directory contains drwxrwxrwx 6 minecraft minecraft 4096 Aug 30 13:32 Backups -rwxrwxrwx 1 minecraft minecraft 0 Sep 18 12:26 banned-ips.txt -rwxrwxrwx 1 minecraft minecraft 17 Sep 18 12:26 banned-players.txt drwxrwxrwx 4 minecraft minecraft 4096 Aug 30 12:26 buildcraft -rwxrwxrwx 1 minecraft minecraft 1447 Sep 18 12:26 bukkit.yml -rwxrwxrwx 1 minecraft minecraft 0 Aug 30 11:05 command-fifo drwxrwxrwx 2 minecraft minecraft 4096 Aug 30 12:26 config lrwxrwxrwx 1 minecraft minecraft 23 Sep 19 14:49 craftbukkit.jar -> ramdisk/craftbukkit.jar -rwxrwxrwx 1 minecraft minecraft 17419 Sep 18 12:26 ForgeModLoader-0.log -rwxrwxrwx 1 minecraft minecraft 17420 Sep 18 12:24 ForgeModLoader-1.log -rwxrwxrwx 1 minecraft minecraft 17420 Sep 18 11:53 ForgeModLoader-2.log -rwxrwxrwx 1 minecraft minecraft 2576 Aug 30 11:05 help.yml drwxrwxrwx 2 minecraft minecraft 4096 Aug 30 12:31 lib drwxrwxrwx 3 minecraft minecraft 4096 Sep 19 14:49 logrolls -rwxrwxrwx 1 minecraft minecraft 200035 Sep 4 17:58 Minecraft_RKit.jar lrwxrwxrwx 1 minecraft minecraft 12 Sep 19 14:49 mods -> ramdisk/mods -rwxrwxrwx 1 minecraft minecraft 5 Sep 18 12:26 ops.txt -rwxrwxrwx 1 minecraft minecraft 0 Aug 30 11:05 permissions.yml lrwxrwxrwx 1 minecraft minecraft 15 Sep 19 14:49 plugins -> ramdisk/plugins lrwxrwxrwx 1 minecraft minecraft 16 Sep 19 14:49 redpower -> ramdisk/redpower -rw-r--r-- 1 root root 255 Sep 19 15:10 server.log -rwxrwxrwx 1 minecraft minecraft 464 Sep 8 11:09 server.properties drwxrwxrwx 3 minecraft minecraft 4096 Sep 5 16:05 SpaceModule drwxrwxrwx 3 minecraft minecraft 4096 Aug 30 13:07 toolkit -rwxrwxrwx 1 minecraft minecraft 1433 Sep 14 21:04 wepif.yml -rwxrwxrwx 1 minecraft minecraft 0 Sep 18 12:26 white-list.txt lrwxrwxrwx 1 minecraft minecraft 13 Sep 19 14:49 world -> ramdisk/world lrwxrwxrwx 1 minecraft minecraft 20 Sep 19 14:49 world_nether -> ramdisk/world_nether lrwxrwxrwx 1 minecraft minecraft 21 Sep 19 14:49 world_the_end -> ramdisk/world_the_end the startup .conf file: # Starts the minecraft server after loading JRE from ramdisk # # for now im still working on it description "minecraft-server" start on filesystem or runlevel [2345] stop on runlevel [!2345] oom score -999 kill timeout 60 pre-start script sh /usr/lib/jvm/java.sh end script script cd /home/minecraft echo "$(date) Starting minecraft" sudo cp -r /home/minecraft/HDsaves/* ramdisk sudo chown -R minecraft:minecraft ramdisk sudo chmod -R 777 ramdisk sudo ln -sf ramdisk/* server sudo chown -R minecraft:minecraft server sudo chmod -R 777 server sudo mv server/server.log server/logrolls/ zip server/logrolls/temp.zip server/logrolls/server.log sudo mv server/logrolls/temp.zip server/logrolls/"$(date)".log.zip sudo rm server/logrolls/server.log sudo rm -f command-fifo sudo mkfifo command-fifo sudo chown minecraft:minecraft command-fifo sudo chmod 777 command-fifo echo "$(date) Root commands finished" echo "$(date) Starting Wrapper" cd server sudo -u minecraft java -Xmx30M -Xms30M -XX:MaxPermSize=40M -Djava.awt.headless=true -jar Minecraft_RKit.jar timv:*spoilers* <> /home/minecraft/command-fifo & sudo echo $! >| /home/minecraft/minecraft.pid echo "$(date) Minecraft Started" end script pre-stop script cd /home/minecraft PID=`cat minecraft.pid` if [ "$PID" != "" ]; then echo "Stopping MineCraft Server PID=$PID" sudo echo save-all >> command-fifo sudo echo .stopwrapper >> command-fifo wait $PID sudo rm minecraft.pid sudo rsync -rt --delete ramdisk/* HDsaves/ echo "$(date) ramdisk save complete" echo "MineCraft save-shutdown complete." else echo "MineCraft not running" fi end script so when I start it up the upstart gererated log says: Wed Sep 19 14:49:30 CDT 2012 Starting minecraft adding: server/logrolls/server.log (stored 0%) Wed Sep 19 14:49:56 CDT 2012 Root commands finished Wed Sep 19 14:49:56 CDT 2012 Starting Wrapper Wed Sep 19 14:49:56 CDT 2012 Minecraft Started

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  • DNS lookups failing somewhere between firewall and router

    - by TessellatingHeckler
    we have a setup of ADSL line - Cisco 837 ADSL router - Zyxel ZyWall 35 firewall/NAT - Switch == Intel load balanced NICS in a server. It has been fine for years, suddenly DNS resolution stopped working on the server. No changes that I know of, so I can't work backwards from there. It was configured with the ISP's DNS servers, neither network device does DNS relaying. Wireshark shows the request go out but nothing comes back. The server networking stack seems OK though, because if we query an internal DNS server on a remote site, that works. I can logon to the Cisco, and DNS resolves OK from the command line. I can logon to the ZyWall, and DNS does not resolve from the command line. So the problem seems to be the firewall, patch cable or router, yes? On the router: interface Ethernet0 ip address aaa.bbb.ccc.ddd 255.255.255.ddd ip tcp adjust-mss 1450 hold-queue 100 out On the firewall: DNS server set to 8.8.8.8 (Google's), DNS traffic allowed LAN-WAN. What else should I look for? Update: Following This guide I've got traffic logging on the Cisco. I have also got access to a public DNS server which I can run tcpdump on to see things from the other side. And as per the below comments, I've tested with Dig and see that DNS over TCP works, and over UDP does not. Currently: DNS request from the server using TCP shows up in the firewall log, and in the Cisco log, and in tcpdump on the DNS server, the answer comes back, it works fine. DNS request from the server using UDP shows up in the firewall log, and in the Cisco log, does NOT show in tcpdump on the DNS server, times out. DNS request from the cisco (using UDP) does show up in tcpdump on the DNS server, answer received, works fine. Ping requests from the server and the cisco to the DNS server show up in tcpdump on the DNS server. DNS request from the server using UDP does show up on the firewall. Summary: TCP seems fine throughought. UDP works over the ADSL and to the Cisco, and it works from the server to the Cisco, but it doesn't cross the Cisco properly, it seems. I did see the Cisco showing as connected at 10Mb/full-duplex internally, and the firewall showing as 100Mb/full-duplex externally. I have forced the firewall to 10Mb and rebooted both devices. That seemed to help get UDP traffic (server-firewall-cisco) instead of (server-firewall), but did not fix it. Update: Sanitized Cisco config: version 12.2 no service pad service timestamps debug datetime msec service timestamps log datetime msec service password-encryption ! hostname cisco ! logging queue-limit 100 enable secret 5 {password} enable password 7 {password} ! ip subnet-zero ip domain name example.org ip name-server {nameserver_IP} ! ! ip audit notify log ip audit po max-events 100 no ftp-server write-enable ! interface Ethernet0 ip address {Inside_public_IP} 255.255.255.248 ip tcp adjust-mss 1460 hold-queue 100 out ! interface ATM0 no ip address no atm ilmi-keepalive pvc 0/38 encapsulation aal5mux ppp dialer dialer pool-member 1 ! dsl operating-mode auto ! interface Dialer1 ip unnumbered Ethernet0 encapsulation ppp dialer pool 1 dialer idle-timeout 0 dialer persistent no cdp enable ppp chap hostname {ADSL_Username} ppp chap password 7 {ADSL_Password} ! ip classless ip route 0.0.0.0 0.0.0.0 Dialer1 no ip http server no ip http secure-server ! access-list 23 permit {IP} dialer-list 1 protocol ip permit no cdp run snmp-server enable traps tty ! {con, vty} end

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  • Tuning performance of Ubuntu 10.04 on Compaq Evo W4000.

    - by Fantomas
    Hi, I got this computer free and installed Ubuntu 10.04 on it + updates, plus followed the following tutorial all the way: http://www.unixmen.com/linux-tutorials/937-things-to-do-after-installing-ubuntu-1004-lts-lucid-lynx I love the Docky which comes with it, but the computer has been running rather slowly. The System: kernel 2.6.32-22-generic Gnome 2.30.0 (I like Gnome!) Memory: 1GB Processor: Intel (R) Pentium (R) 4 CPU 1700 MHz (needless to say, it is 32 bit). I think I dedicated 128 Mb to video memory while installing, but cannot find this setting now. I did also install an NVidia driver for the 3D card, so I probably want to reclaim that memory back. I want to trim the fat but I also want to keep some of the sex appeal of Ubuntu 10.04. I will gift this computer to a friend, who will use it for Internet, music, videos, word processing, Skype and instant messaging - he is non-technical, so this hardware and Linux should work for him; I just need to speed it up while keeping the good software and having a nice UI. I sort of know my way around Linux, but not that well. Feel free to ask me to run particular commands if you want more info. For starters, here are the services below. Which ones can I kill and how? What else can go? There is no need to run ssh or ftp or http or ntp servers. As I said before, this computer is for non-technical person. There is also absolutely no bluetooth or wireless networking needed - it will feed off a regular ethernet cable. What I do not want to do is reinstall some other distro or recompile a kernel. I want to make it 80% perfect spending 20% of the energy :) Thanks! $ service --status-all [ ? ] acpi-support [ ? ] acpid [ ? ] alsa-mixer-save [ ? ] anacron [ - ] apparmor [ ? ] apport [ ? ] atd [ ? ] avahi-daemon [ ? ] binfmt-support [ - ] bluetooth [ - ] bootlogd [ - ] brltty [ ? ] console-setup [ ? ] cron [ + ] cups [ ? ] dbus [ ? ] dmesg [ ? ] dns-clean [ ? ] failsafe-x [ - ] fancontrol [ ? ] gdm [ - ] grub-common [ ? ] hostname [ ? ] hwclock [ ? ] hwclock-save [ ? ] irqbalance [ - ] kerneloops [ ? ] killprocs [ - ] lm-sensors [ ? ] module-init-tools [ ? ] network-interface [ ? ] network-interface-security [ ? ] network-manager [ ? ] networking [ ? ] ondemand [ ? ] pcmciautils [ ? ] plymouth [ ? ] plymouth-log [ ? ] plymouth-splash [ ? ] plymouth-stop [ ? ] pppd-dns [ ? ] procps [ + ] pulseaudio [ ? ] rc.local [ - ] rsync [ ? ] rsyslog [ - ] saned [ ? ] screen-cleanup [ ? ] sendsigs [ ? ] speech-dispatcher [ ? ] stop-bootlogd [ ? ] stop-bootlogd-single [ ? ] udev [ ? ] udev-finish [ ? ] udevmonitor [ ? ] udevtrigger [ ? ] ufw [ ? ] umountfs [ ? ] umountnfs.sh [ ? ] umountroot [ ? ] unattended-upgrades [ - ] urandom [ + ] winbind [ ? ] wpa-ifupdown [ - ] x11-common

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  • Why do we need different CPU architecture for server & mini/mainframe & mixed-core?

    - by claws
    Hello, I was just wondering what other CPU architectures are available other than INTEL & AMD. So, found List of CPU architectures on Wikipedia. It categorizes notable CPU architectures into following categories. Embedded CPU architectures Microcomputer CPU architectures Workstation/Server CPU architectures Mini/Mainframe CPU architectures Mixed core CPU architectures I was analyzing the purposes and have few doubts. I taking Microcomputer CPU (PC) architecture as reference and comparing others. Embedded CPU architecture: They are a completely new world. Embedded systems are small & do very specific task mostly real time & low power consuming so we do not need so many & such wide registers available in a microcomputer CPU (typical PC). In other words we do need a new small & tiny architecture. Hence new architecture & new instruction RISC. The above point also clarifies why do we need a separate operating system (RTOS). Workstation/Server CPU architectures I don't know what is a workstation. Someone clarify regarding the workstation. As of the server. It is dedicated to run a specific software (server software like httpd, mysql etc.). Even if other processes run we need to give server process priority therefore there is a need for new scheduling scheme and thus we need operating system different than general purpose one. If you have any more points for the need of server OS please mention. But I don't get why do we need a new CPU Architecture. Why cant Microcomputer CPU architecture do the job. Can someone please clarify? Mini/Mainframe CPU architectures Again I don't know what are these & what miniframes or mainframes used for? I just know they are very big and occupy complete floor. But I never read about some real world problems they are trying to solve. If any one working on one of these. Share your knowledge. Can some one clarify its purpose & why is it that microcomputer CPU archicture not suitable for it? Is there a new kind of operating system for this too? Why? Mixed core CPU architectures Never heard of these. If possible please keep your answer in this format: XYZ CPU architectures Purpose of XYZ Need for a new architecture. why can't current microcomputer CPU architecture work? They go upto 3GHZ & have upto 8 cores. Need for a new Operating System Why do we need a new kind of operating system for this kind of archictures?

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  • Dual head setup for Ubuntu 10.04.1 and Windows XP Pro with same hardware configuration

    - by mejpark
    I have a Dell OptiPlex 360 workstation at work, with 2 x ATI RV280 [Radeon 9200 PRO] graphics cards installed, which are attached to two identical 19" HII flat panel monitors. I'm using the open source Radeon driver with Ubuntu, and the proprietary drivers with Windows. The good news is that dual head configuration works for both OSes. The bad news is, I have to use a different hardware configuration for each OS to achieve this. Hardware config #1: Dual monitors work for Windows XP Pro like this: First display -> external VGA port Second display -> DVI input on gfx card Hardware config #2: Dual monitors work for Ubuntu 10.04.1 like this: First display -> VGA port on gfx card Second display -> DVI input on gfx card I connected up the displays according to Config #2 and booted up Windows, which resulted in a mirror image on both screens. I was unable to login, as the login box was not visible. I unplugged the VGA lead from gfx card and plugged it into the external VGA port (Config #1) - Windows dual head works again, but the VGA-connected screen is not recognised by Ubuntu and remains in standby mode. Is it possible to configure a dual head setup for Ubuntu using Config #1, or am I missing something? I tried setting up dual monitors using Config #1, this morning which didn't work. By default, there is no xorg.conf file in Ubuntu 10.04.1, so I generated one using: $ sudo X :2 -configure X.Org X Server 1.7.6 Release Date: 2010-03-17 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-27-server i686 Ubuntu Current Operating System: Linux harrier 2.6.32-24-generic #42-Ubuntu SMP Fri Aug 20 14:24:04 UTC 2010 i686 Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=a34c1931-98d4-4a34-880c-c227a2936c4a ro quiet splash Build Date: 21 July 2010 12:47:34PM xorg-server 2:1.7.6-2ubuntu7.3 (For technical support please see http://www.ubuntu.com/support) Current version of pixman: 0.16.4 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.2.log", Time: Mon Sep 13 10:02:02 2010 List of video drivers: apm ark intel mach64 s3virge trident mga tseng ati nouveau neomagic i740 openchrome voodoo s3 i128 radeon siliconmotion nv ztv vmware v4l chips rendition savage sisusb tdfx geode sis r128 cirrus fbdev vesa (++) Using config file: "/home/michael/xorg.conf.new" (==) Using config directory: "/usr/lib/X11/xorg.conf.d" (II) [KMS] No DRICreatePCIBusID symbol, no kernel modesetting. Xorg detected your mouse at device /dev/input/mice. Please check your config if the mouse is still not operational, as by default Xorg tries to autodetect the protocol. Xorg has configured a multihead system, please check your config. Your xorg.conf file is /home/michael/xorg.conf.new To test the server, run 'X -config /home/michael/xorg.conf.new' ddxSigGiveUp: Closing log $ sudo X -config /home/michael/xorg.conf.new Fatal server error: Server is already active for display 0 If this server is no longer running, remove /tmp/.X0-lock and start again. Please consult the The X.Org Foundation support at http://wiki.x.org for help. ddxSigGiveUp: Closing log I then booted Ubuntu in failsafe mode, dropped into root shell, and executed $ X -config /home/michael/xorg.conf.new again. The screen went blank and turned off, so

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  • SQLExpress service unable to start Error code 17053

    - by Chris Sobolewski
    A user was instructed by their software support to upgrade a program and install SQLExpress as part of the installation process. Since that time, the service has been able to start, citing error 17053, which appears to be an authentication issue. Here is the error log: 2011-01-11 13:17:45.50 Server Microsoft SQL Server 2005 - 9.00.3042.00 (Intel X86) Feb 9 2007 22:47:07 Copyright (c) 1988-2005 Microsoft Corporation Express Edition on Windows NT 5.1 (Build 2600: Service Pack 2) 2011-01-11 13:17:45.50 Server (c) 2005 Microsoft Corporation. 2011-01-11 13:17:45.50 Server All rights reserved. 2011-01-11 13:17:45.50 Server Server process ID is 3332. 2011-01-11 13:17:45.50 Server Authentication mode is WINDOWS-ONLY. 2011-01-11 13:17:45.50 Server Logging SQL Server messages in file 'c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\LOG\ERRORLOG'. 2011-01-11 13:17:45.52 Server This instance of SQL Server last reported using a process ID of 2332 at 11/10/2010 2:15:24 PM (local) 11/10/2010 7:15:24 PM (UTC). This is an informational message only; no user action is required. 2011-01-11 13:17:45.52 Server Error: 17053, Severity: 16, State: 1. 2011-01-11 13:17:45.52 Server UpdateUptimeRegKey: Operating system error 5(Access is denied.) encountered. 2011-01-11 13:17:45.52 Server Registry startup parameters: 2011-01-11 13:17:45.52 Server -d c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\master.mdf 2011-01-11 13:17:45.52 Server -e c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\LOG\ERRORLOG 2011-01-11 13:17:45.52 Server -l c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\mastlog.ldf 2011-01-11 13:17:45.52 Server Error: 17113, Severity: 16, State: 1. 2011-01-11 13:17:45.52 Server Error 3(The system cannot find the path specified.) occurred while opening file 'c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\master.mdf' to obtain configuration information at startup. An invalid startup option might have caused the error. Verify your startup options, and correct or remove them if necessary. 2011-01-11 13:17:45.52 Server Error: 17053, Severity: 16, State: 1. 2011-01-11 13:17:45.52 Server UpdateUptimeRegKey: Operating system error 5(Access is denied.) encountered. 4 Server Error: 17053, Severity: 16, State: 1. 2011-01-11 13:08:21.34 Server UpdateUptimeRegKey: Operating system error 5(Access is denied.) encountered. 12:47:20.85 spid5s SQL Trace ID 1 was started by login "sa". 2011-01-11 12:47:20.90 spid5s Starting up database 'mssqlsystemresource'. 2011-01-11 12:47:20.93 spid5s The resource database build version is 9.00.3042. This is an informational message only. No user action is required. 2011-01-11 12:47:21.21 spid5s Error: 15466, Severity: 16, State: 1. 2011-01-11 12:47:21.21 spid5s An error occurred during decryption. 2011-01-11 12:47:21.38 spid8s Starting up database 'model'. 2011-01-11 12:47:21.38 Server Error: 17182, Severity: 16, State: 1. 2011-01-11 12:47:21.38 Server TDSSNIClient initialization failed with error 0x5, status code 0x90. 2011-01-11 12:47:21.38 Server Error: 17182, Severity: 16, State: 1. 2011-01-11 12:47:21.38 Server TDSSNIClient initialization failed with error 0x5, status code 0x1. 2011-01-11 12:47:21.38 Server Error: 17826, Severity: 18, State: 3. 2011-01-11 12:47:21.38 Server Could not start the network library because of an internal error in the network library. To determine the cause, review the errors immediately preceding this one in the error log. 2011-01-11 12:47:21.38 Server Error: 17120, Severity: 16, State: 1. 2011-01-11 12:47:21.38 Server SQL Server could not spawn FRunCM thread. Check the SQL Server error log and the Windows event logs for information about possible related problems. One lead I had was to change the SQL logon account from "Network Service" to "Local System". Unfortunately, that is resulting in the error message The Security ID Structure is Invalid [0x80070539] Any help either uninstalling or getting SQLExpress running would be fantastic.

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  • Can't sync filesystem without reboot

    - by Fabio
    I'm having an issue with a linux server. Once a week the running mysql instance hangs and there is no way to fully stop it. If I kill it, it remains in zombie status and init does not reap its pid. The server is used for staging deployments and some internal tools, so it's not under heavy load. The only process constantly used id mysql and for this I think that it's the only process which suffer of this issue. I've searched system logs for errors and the only thing I found is this error (repeated a couple of times) in dmesg output: [706560.640085] INFO: task mysqld:31965 blocked for more than 120 seconds. [706560.640198] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [706560.640312] mysqld D ffff88032fd93f40 0 31965 1 0x00000000 [706560.640317] ffff880242a27d18 0000000000000086 ffff88031a50dd00 ffff880242a27fd8 [706560.640321] ffff880242a27fd8 ffff880242a27fd8 ffff88031e549740 ffff88031a50dd00 [706560.640325] ffff88031a50dd00 ffff88032fd947f8 0000000000000002 ffffffff8112f250 [706560.640328] Call Trace: [706560.640338] [<ffffffff8112f250>] ? __lock_page+0x70/0x70 [706560.640344] [<ffffffff816cb1b9>] schedule+0x29/0x70 [706560.640347] [<ffffffff816cb28f>] io_schedule+0x8f/0xd0 [706560.640350] [<ffffffff8112f25e>] sleep_on_page+0xe/0x20 [706560.640353] [<ffffffff816c9900>] __wait_on_bit+0x60/0x90 [706560.640356] [<ffffffff8112f390>] wait_on_page_bit+0x80/0x90 [706560.640360] [<ffffffff8107dce0>] ? autoremove_wake_function+0x40/0x40 [706560.640363] [<ffffffff8112f891>] filemap_fdatawait_range+0x101/0x190 [706560.640366] [<ffffffff81130975>] filemap_write_and_wait_range+0x65/0x70 [706560.640371] [<ffffffff8122e441>] ext4_sync_file+0x71/0x320 [706560.640376] [<ffffffff811c3e6d>] do_fsync+0x5d/0x90 [706560.640379] [<ffffffff811c40d0>] sys_fsync+0x10/0x20 [706560.640383] [<ffffffff816d495d>] system_call_fastpath+0x1a/0x1f When this happens the only way to make everything working again is a full reboot, but in order to do that I'm forced to use this command after I've manually stopped all running processes echo b > /proc/sysrq-trigger otherwise normal reboot process hangs forever. I've tracked reboots script and I've found out that also the reboot process hangs on a sync call, this one in /etc/init.d/sendsigs (I'm on ubuntu) # Flush the kernel I/O buffer before we start to kill # processes, to make sure the IO of already stopped services to # not slow down the remaining processes to a point where they # are accidentily killed with SIGKILL because they did not # manage to shut down in time. sync I'm almost sure that the cause of this is an hardware issue (the RAID controller???) also because I've other two machines with the same hardware and software configuration and they don't suffer of this, but I can't find any hint in syslog or dmesg. I've also installed smartmontools and mcelog packages but none of them did report any issue. What can I do to track the cause of this issue? Today is happened again, here is the status of system after triggering a reboot init---console-kit-dae---64*[{console-kit-dae}] +-dbus-daemon +-mcelog +-mysqld---{mysqld} +-newrelic-daemon---newrelic-daemon---11*[{newrelic-daemon}] +-ntpd +-polkitd---{polkitd} +-python3 +-rpc.idmapd +-rpc.statd +-rpcbind +-sh---rc---S20sendsigs---sync +-smartd +-snmpd +-sshd---sshd---zsh---sudo---zsh---pstree +-sshd---sshd---zsh---sudo---zsh And here is the status of sync process # ps aux | grep sync root 3637 0.1 0.0 4352 372 ? D 05:53 0:00 sync i.e. Uninterruptible sleep... Hardware specs as reported by lshw I think the raid controller is a fake raid. I usually don't deal with hardware (and for the record I don't have physical access to it) description: Computer product: X7DBP () vendor: Supermicro version: 0123456789 serial: 0123456789 width: 64 bits capabilities: smbios-2.4 dmi-2.4 vsyscall32 configuration: administrator_password=disabled boot=normal frontpanel_password=unknown keyboard_password=unknown power-on_password=disabled uuid=53D19F64-D663-A017-8922-0030487C1FEE *-core description: Motherboard product: X7DBP vendor: Supermicro physical id: 0 version: PCB Version serial: 0123456789 *-firmware description: BIOS vendor: Phoenix Technologies LTD physical id: 0 version: 6.00 date: 05/29/2007 size: 106KiB capacity: 960KiB capabilities: pci pnp upgrade shadowing escd cdboot bootselect edd int13floppy2880 acpi usb ls120boot zipboot biosbootspecification *-storage description: RAID bus controller product: 631xESB/632xESB SATA RAID Controller vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 version: 09 width: 32 bits clock: 66MHz capabilities: storage pm bus_master cap_list configuration: driver=ahci latency=0 resources: irq:19 ioport:18a0(size=8) ioport:1874(size=4) ioport:1878(size=8) ioport:1870(size=4) ioport:1880(size=32) memory:d8500400-d85007ff

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  • Cheapest way to connect 20-24 Sata II HDDs in a budget storage server?

    - by Joe Hopfgartner
    I need to assemble a high density storage server for as cheap as possible. It's been a while for me and the last systems I integrated didn't even have Sata yet... During my Research I of course stumbled about Nexsan SATA Beast, the BackBlaze storage Pods as well as some ridiculously overpriced HP Proliant or Dell storage solutions. Finally I choose Norco cases as the way to go. My eye is set on the RPC-4020, which is a 4U 19" Rackmount case with 20 Hot Swap 3.5" SATA/SAS Hdd trays (Backplanes included) and room for two 2.5" OS drives as well as a Slim Line CD-Rom. The backplanes connect with a single SATA port for each drive, so there are 20 internal SATA ports to to be connected. They also have redundant power ports which I think is quite nice. The cheapest price I have found is 290$ + 40$ shipping. In europe the cheapest unfortunately is 370€ (500$) + 40 € shipping... A nice alternative would be the RPC-4224 which has SFF-8087 Mini SAS connectors that bundle 4 SATA trays each. But it doesn't seem to be available in Europe (where i am) anywhere. So here comes my problem: What Mainboard/Controller to choose to connect them for as cheap as possible while still having nice data rates? I have to say that the server is intended as a Storage server with 1gps connectivity and the data transfer will be distributed very evenly across all drives. I also don't require any raid functionality. This is all done at application level, I just need JBOD. So for example if I go for the RPC 4020 Model I need to connect 20 Storage + 1 OS + 1 CDROM Sata ports. I searched a bit and stumbled across this very low priced controller: http://www.intel.com/products/server/raid-controllers/SASWT4I/SASWT4I-overview.htm They sell it for 115 € here and the specs say it can control up to 122 hard discs and has 4 Mini SAS connectors. So I would use 4 Mini SAS 36pin - 4 SATA 7pin cables to connect 4 SATA drives to each port and choose a Mainboard taht has 6 SATA on board (for example this one) and hurray, I can connect my 22 SATA devices for as low as about ~ 220 EUR (cpu, ram, psu, case not counted) Question: WOULD THAT WORK? And if not, why? 2nd Question: If I go for the 4220 or 4224 Model, I have internal Mini SAS connectors. Am I right in assuming that the backplane than acts as a "SAS Expander"? And can I just plug these SAS connectors into any SAS port I can find on my controller / mainboard or are there certain requirements? I know that SATA port multipliers only work with controllers that are ready for that. But isn't this expansion already implemented in the SAS standard? I am sorry that this is a very broad question, but I really spent the last week reading up and it seems to be not so clear! Especially all the controlling hardware specifications! 3rd Question: A lot of hardware specs feature "internal channels" and "internal connectors". The connecors are the physical numbers of places where I can plug a cable in. I got that. But are the "internal channels" always the maximum numbers of physical drives that can be used in the end? Or can I enhance this further by Expanders/Fanouts? 4th and last question: What do you think about the setup so far? Do you know any good alternatives? Maby I am completely going the wrong way and some DAS would be way better? Are there any comparable chassis available in europe? Please feel free to say whatever you think is relevant to the subject!

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  • Performance of Cluster Shared Volume file copy from SAN

    - by Sequenzia
    I am hoping someone can help me out with a strange issue. We are running a Microsoft Failover Cluster with Server 2008 R2 and an Equallogic PS4000 SAN. Our main configuration has 2 Dell Poweredge T710 Servers in the cluster. We have CSV and Quorm setup. The servers each have 10 Broadcom 1Gb NICs. Right now 4 of the NICS are on the iSCSI network for accessing the SAN. They use MPIO and the Dell HIT pack. We have 5 VMs running on each node and everything runs smooth. No noticeable performance issues or anything. From the SAN I can see the 4 iSCSI connections from each server to each volume (CSV and Quorm). Again, it seems to perform great. The problem I am running into is with backups. I have tried a few backup programs like backupchain and Veeam. The problem is both of them are very very slow to backup the VMs. For instance I have a 500GB (fixed disc) VHD that’s running on the cluster. It takes over 18 hours to backup that VHD and that’s with compression and depuping turned off which is supposed to be the fasted. We also have a separate server that is just for backups. It has a lot of directed attached storage. As part of the troubleshooting I decided to bring that server into the cluster as a node. It now has access to the CSV and can read from C:\clusterstorage\volume1 which is where our VHDs live. This backup server only has 2 NICs. 1 NIC is going to the iSCSI network and the other is just on the main network. It has Intel NICS in it without any sort of MPIO or teaming. So with the 3rd server now in the cluster I started doing some benchmarking. I have a test VHD that’s about 7GBs that’s stored in the CSV. I have tested file copying that VHD from all 3 servers to directed attached storage in the respective server. The 2 Dell servers that are the main nodes in the cluster (they house the VMs) are reading that file at about 20Mbs/Sec. Which at that rate is way to slow for the backups. The other server which only has 1 NIC to the SAN is reading at around 100Mbs/Sec. I spent a few hours on the phone with Dell today about this . We went through all kind of tests and he was pretty dumb founded. He really has no idea why that server with only 1 NIC is reading about 5 times as fast as the servers with 4 NICS and MPIO. We looked at the network utilization of the NICs while the file copy was going on. The servers with the 4 NICs had a small increase of activity during the file copy but they only went up to around 8-10% on all 4 NICs. The other server with the 1 NIC jumped up to over 80% during the file copy. I plan on doing some more testing after hours and calling Dell back tomorrow but I really am confused (and so is Dell’s support rep) why I cannot get faster file copy access to the CSV on those servers. Anyone have any input on this? Any feedback would be greatly appreciated. Thanks in advance.

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  • Why would VMWare to go defunct? How to recover from/prevent it?

    - by Josh
    I am running VMWare Server 2.0.2 (Build 203138) on a dual core Intel i5 with Ubuntu Server 10.04 LTS system (kernel 2.6.32-22-server #33-Ubuntu SMP). Disk Subsystem is a software RAID5 array. The system has been set up for a little over a week. For the past 5 days I have been running at leat 3 VMs (Linux and a variety of Windows OSes) with no issues whatsoever. But while I was installing Linux onto a new VM, suddenly all VMs became unresponsive, including the one I was installing to. I could not log in to the VMWare Management Interface, and the system was somewhat unresponsive via SSH. When I looked at top, I saw: top - 16:14:51 up 6 days, 1:49, 8 users, load average: 24.29, 24.33 17.54 Tasks: 203 total, 7 running, 195 sleeping, 0 stopped, 1 zombie Cpu(s): 0.2%us, 25.6%sy, 0.0%ni, 74.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 8056656k total, 5927580k used, 2129076k free, 20320k buffers Swap: 7811064k total, 240216k used, 7570848k free, 5045884k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 21549 root 39 19 0 0 0 Z 100 0.0 15:02.44 [vmware-vmx] <defunct> 2115 root 20 0 0 0 0 S 1 0.0 170:32.08 [vmware-rtc] 2231 root 21 1 1494m 126m 100m S 1 1.6 892:58.05 /usr/lib/vmware/bin/vmware-vmx -# product=2; 2280 jnet 20 0 19320 1164 800 R 0 0.0 30:04.55 top 12236 root 20 0 833m 41m 34m S 0 0.5 88:34.24 /usr/lib/vmware/bin/vmware-vmx -# product=2; 1 root 20 0 23704 1476 920 S 0 0.0 0:00.80 /sbin/init 2 root 20 0 0 0 0 S 0 0.0 0:00.01 [kthreadd] 3 root RT 0 0 0 0 S 0 0.0 0:00.00 [migration/0] 4 root 20 0 0 0 0 S 0 0.0 0:00.84 [ksoftirqd/0] 5 root RT 0 0 0 0 S 0 0.0 0:00.00 [watchdog/0] 6 root RT 0 0 0 0 S 0 0.0 0:00.00 [migration/1] The VMWare process for the virtual machine I was installing into became a zombie. Yet, it was still consuming 100% of the CPU time on one of the cores, and I couldn't reach it or any other virtual machines. (I was logged in to one virtual machine over SSH, another via X11, and a third via VNC. All three connections died). When I ran ps -ef and similar commands, I found that the defunct vmware-vmx process had it's parent PID set to init (1). I also used lsof -p 21549 and found that the defunct process had no open files. Yet it was using 100% of CPU time... I was unable to kill any vmware-vmx processes, including the defunct one, even with kill -9. As a last resort to resolve the situation I tried to reboot the box, however shutdown, halt, reboot, and init 6 all failed to reboot/shutdown, even when given appropriate --force settings. ControlAltDel produced a message about rebooting on the console, but the system would not reboot. I had to hard power-cycle the box to resolve the situation. (See my other question, Should I worry about the integrity of my linux software RAID5 after a crash or kernel panic?) What would cause a scenario like this? What else could I have done to resolve it besides a hard reboot? What can I do to prevent such a situation in the future?

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  • SmartOS reboots spontaneously

    - by Alex
    I run a SmartOS system on a Hetzner EX4S (Intel Core i7-2600, 32G RAM, 2x3Tb SATA HDD). There are six virtual machines on the host: [root@10-bf-48-7f-e7-03 ~]# vmadm list UUID TYPE RAM STATE ALIAS d2223467-bbe5-4b81-a9d1-439e9a66d43f KVM 512 running xxxx1 5f36358f-68fa-4351-b66f-830484b9a6ee KVM 1024 running xxxx2 d570e9ac-9eac-4e4f-8fda-2b1d721c8358 OS 1024 running xxxx3 ef88979e-fb7f-460c-bf56-905755e0a399 KVM 1024 running xxxx4 d8e06def-c9c9-4d17-b975-47dd4836f962 KVM 4096 running xxxx5 4b06fe88-db6e-4cf3-aadd-e1006ada7188 KVM 9216 running xxxx5 [root@10-bf-48-7f-e7-03 ~]# The host reboots several times a week with no crash dump in /var/crash and no messages in the /var/adm/messages log. Basically /var/adm/messages looks like there was a hard reset: 2012-11-23T08:54:43.210625+00:00 10-bf-48-7f-e7-03 rsyslogd: -- MARK -- 2012-11-23T09:14:43.187589+00:00 10-bf-48-7f-e7-03 rsyslogd: -- MARK -- 2012-11-23T09:34:43.165100+00:00 10-bf-48-7f-e7-03 rsyslogd: -- MARK -- 2012-11-23T09:54:43.142065+00:00 10-bf-48-7f-e7-03 rsyslogd: -- MARK -- 2012-11-23T10:14:43.119365+00:00 10-bf-48-7f-e7-03 rsyslogd: -- MARK -- 2012-11-23T10:34:43.096351+00:00 10-bf-48-7f-e7-03 rsyslogd: -- MARK -- 2012-11-23T10:54:43.073821+00:00 10-bf-48-7f-e7-03 rsyslogd: -- MARK -- 2012-11-23T10:57:55.610954+00:00 10-bf-48-7f-e7-03 genunix: [ID 540533 kern.notice] #015SunOS Release 5.11 Version joyent_20121018T224723Z 64-bit 2012-11-23T10:57:55.610962+00:00 10-bf-48-7f-e7-03 genunix: [ID 299592 kern.notice] Copyright (c) 2010-2012, Joyent Inc. All rights reserved. 2012-11-23T10:57:55.610967+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: lgpg 2012-11-23T10:57:55.610971+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: tsc 2012-11-23T10:57:55.610974+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: msr 2012-11-23T10:57:55.610978+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: mtrr 2012-11-23T10:57:55.610981+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: pge 2012-11-23T10:57:55.610984+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: de 2012-11-23T10:57:55.610987+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: cmov 2012-11-23T10:57:55.610995+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: mmx 2012-11-23T10:57:55.611000+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: mca 2012-11-23T10:57:55.611004+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: pae 2012-11-23T10:57:55.611008+00:00 10-bf-48-7f-e7-03 unix: [ID 223955 kern.info] x86_feature: cv8 The problem is that sometimes the host loses the network interface on reboot so we need to perform a manual hardware reset to bring it back. We do not have physical or virtual access to the server console - no KVM, no iLO or anything like this. So, the only way to debug is to analyze crash dumps/log files. I am not a SmartOS/Solaris expert so I am not sure how to proceed. Is there any equivalent of Linux netconsole for SmartOS? Can I just redirect the console output to the network port somehow? Maybe I am missing something obvious and crash information is located somewhere else.

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  • Asus P8P67 Rev. 3.1 Motherboard issues powering on and saving settings

    - by Scott
    Edit: New Information Have some updated information from the old question below: So basically my issue right now is somewhat similar, but I've been able to rule out a couple of things. I don't think this has anything to do with light on the motherboard. No matter what lights are on/off on the motherboard when the computer is off, they don't affect this issue. The main power LED on the Mobo is always lit when the power supply is turned on, and that's what matters anyway. Even when the main power LED is on, the PC will NOT boot up the first time I hit the power switch. I have to go reset the power supply (make all lights turn off on the Mobo and back on), and THEN hit the power switch. Then everything boots up. Also, the BIOS settings are reset every time this happens. Asus Tech Support told me to try jumping the power with something metal to try and rule out that it's a problem with the connectors getting power, or if it's a problem with the case power switch pins - haven't done that yet though. Any ideas? This is a lot simpler than it was before when I thought it had to do with certain LED indicators for RAM, EPU, etc. Original Question So I built my new desktop just about 3 weeks ago. I've been having a few issues which I think are all related to my motherboard, an Asus P8P67 Revision 3.1, but I'm not 100% sure as this is really the first from-scratch build I've ever done. I've posted these questions on the Asus forums, Asus Tech Support, and the Corsair forums as well as I thought it might have something to do with my power supply at one point. None of these avenues have solved my issue until now completely, so I thought I'd come here to see what you guys think. Here's what's happening: My computer is off, and I go to power it on. I press the power switch on the case (Antec Nine Hundred), and nothing seems to happen. Upon further inspection, I see that what this actually does is simply turn on the EPU LED on my motherboard, but doesn't actually boot anything up. I then have to go and flip the main power switch on the power supply off and back on. What this does is turn off all lights on the Motherboard after a few seconds, and turn them all back on (including the EPU LED that was off before I hit the power switch the first time). Now, hitting the power switch works. The machine boots up fine, and starts going through the boot up process. As a side note: My Motherboard is set to "Force BIOS", and every single time I change this to do the opposite, the next time my computer boots up that change reverts itself. I think this may be due to the fact that I am doing the hard reset on the power supply each time, but I'm not sure. I had thought that the Motherboard would keep its BIOS settings unless you did something to the Mobo itself - so this may be a related issue, or something else completely. That's basically it. Once it's on, it's on. It works fine, recognizes all of my hardware, and runs great. All fans/lights in the case work great, and I'm getting standard readings. The next time I go to shut the computer down however, I can expect the same exact process getting it up and running, including being forced to go into BIOS and exit again before I can load Windows. Another side note: If I power on my computer using the power switch DIRECTLY after shutting it down, it powers right back on (I think this is because the EPU LED light doesn't have time to turn off). It looks as if as long as the EPU LED is lit up on the motherboard before I hit the power switch on the case, the thing will boot up fine (although this doesn't explain the "Force BIOS" issue, at least it's something). Any ideas? Thanks guys. P.S. - System Specs Asus P8P67 Rev. 3.1 Motherboard Intel Core i7 2600K Processor 16GB (4x4GB) G-Skill 1600 RAM NVIDIA EVGA GTX 570 Video Card Crucial 128GB SSD HD Corsair 850W Power Supply Seagate 2TB HDD

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  • Debian virtual memory reaching limit

    - by Gregor
    As a relative newbie to systems, I inherited a Debian server and I've noticed that virtual memory is very high (around 95%!). The server has been running slow for around 6 months, and I was wondering if any of you had any tips on things I could try, particularly on freeing up memory. The server hosts various websites and also a Postit email server. Here are the details: Operating system Debian Linux 5.0 Webmin version 1.580 Time on system Thu Apr 12 11:12:21 2012 Kernel and CPU Linux 2.6.18-6-amd64 on x86_64 Processor information Intel(R) Core(TM)2 Duo CPU E7400 @ 2.80GHz, 2 cores System uptime 229 days, 12 hours, 50 minutes Running processes 138 CPU load averages 0.10 (1 min) 0.28 (5 mins) 0.36 (15 mins) CPU usage 14% user, 1% kernel, 0% IO, 85% idle Real memory 2.94 GB total, 1.69 GB used Virtual memory 3.93 GB total, 3.84 GB used Local disk space 142.84 GB total, 116.13 GB used Free m output: free -m total used free shared buffers cached Mem: 3010 2517 492 0 107 996 -/+ buffers/cache: 1413 1596 Swap: 4024 3930 93 Top output: top - 11:59:57 up 229 days, 13:38, 1 user, load average: 0.26, 0.24, 0.26 Tasks: 136 total, 2 running, 134 sleeping, 0 stopped, 0 zombie Cpu(s): 3.8%us, 0.5%sy, 0.0%ni, 95.0%id, 0.7%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 3082544k total, 2773160k used, 309384k free, 111496k buffers Swap: 4120632k total, 4024712k used, 95920k free, 1036136k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 28796 www-data 16 0 304m 68m 6188 S 8 2.3 0:03.13 apache2 1 root 15 0 10304 592 564 S 0 0.0 0:00.76 init 2 root RT 0 0 0 0 S 0 0.0 0:04.06 migration/0 3 root 34 19 0 0 0 S 0 0.0 0:05.67 ksoftirqd/0 4 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0 5 root RT 0 0 0 0 S 0 0.0 0:00.06 migration/1 6 root 34 19 0 0 0 S 0 0.0 0:01.26 ksoftirqd/1 7 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/1 8 root 10 -5 0 0 0 S 0 0.0 0:00.12 events/0 9 root 10 -5 0 0 0 S 0 0.0 0:00.00 events/1 10 root 10 -5 0 0 0 S 0 0.0 0:00.00 khelper 11 root 10 -5 0 0 0 S 0 0.0 0:00.02 kthread 16 root 10 -5 0 0 0 S 0 0.0 0:15.51 kblockd/0 17 root 10 -5 0 0 0 S 0 0.0 0:01.32 kblockd/1 18 root 15 -5 0 0 0 S 0 0.0 0:00.00 kacpid 127 root 10 -5 0 0 0 S 0 0.0 0:00.00 khubd 129 root 10 -5 0 0 0 S 0 0.0 0:00.00 kseriod 180 root 10 -5 0 0 0 S 0 0.0 70:09.05 kswapd0 181 root 17 -5 0 0 0 S 0 0.0 0:00.00 aio/0 182 root 17 -5 0 0 0 S 0 0.0 0:00.00 aio/1 780 root 16 -5 0 0 0 S 0 0.0 0:00.00 ata/0 782 root 16 -5 0 0 0 S 0 0.0 0:00.00 ata/1 783 root 16 -5 0 0 0 S 0 0.0 0:00.00 ata_aux 802 root 10 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_0 803 root 10 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_1 804 root 10 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_2 805 root 10 -5 0 0 0 S 0 0.0 0:00.00 scsi_eh_3 1013 root 10 -5 0 0 0 S 0 0.0 49:27.78 kjournald 1181 root 15 -4 16912 452 448 S 0 0.0 0:00.05 udevd 1544 root 14 -5 0 0 0 S 0 0.0 0:00.00 kpsmoused 1706 root 13 -5 0 0 0 S 0 0.0 0:00.00 kmirrord 1995 root 18 0 193m 3324 1688 S 0 0.1 8:52.77 rsyslogd 2031 root 15 0 48856 732 608 S 0 0.0 0:01.86 sshd 2071 root 25 0 17316 1072 1068 S 0 0.0 0:00.00 mysqld_safe 2108 mysql 15 0 320m 72m 4368 S 0 2.4 1923:25 mysqld 2109 root 18 0 3776 500 496 S 0 0.0 0:00.00 logger 2180 postgres 15 0 99504 3016 2880 S 0 0.1 1:24.15 postgres 2184 postgres 15 0 99504 3596 3420 S 0 0.1 0:02.08 postgres 2185 postgres 15 0 99504 696 628 S 0 0.0 0:00.65 postgres 2186 postgres 15 0 99640 892 648 S 0 0.0 0:01.18 postgres

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  • Why are USB 2.0 devices crashing my system?

    - by BenAlabaster
    Background on the machine I'm having a problem with: The machine was inherited and appears to be circa 2003 (there's a date stamp on the power supply which leads me to this conclusion). I've got it set up as a Skype terminal for my 2 year old to keep in touch with her grandparents and other members of the family - which everyone loves. It has a generic baby-ATX motherboard with no identifying markings. CPU-Z identifies the motherboard model as VT8601 but doesn't provide me with any manufacturer name. There's one stamp on the motherboard that says "Rev.B". On board it has 10/100 LAN, 2 x USB 1.0, VGA, PS/2 for KB and mouse, parallel port, 2 x serial ports, 2 x IDE, 1 x floppy, 2 x SDRAM slots, 1 x CPU housing that is seating a 1.3GHz Intel Celeron CPU, 3 x PCI, 1 x AGP - although you can only use 2 of the PCI slots if you use the AGP slot due to the physical layout of the board. It's got 768Mb PC133 SDRAM - 1 x 512Mb & 1 x 256Mb installed as well as a D-LINK WDA-2320 54G Wi-Fi network card and a generic USB 2.0 expansion board containing 3 x external + 1 x internal USB connectors. All this is sitting in a slimline case. I don't know the wattage of the PSU, but can post this later if this proves to be helpful. The motherboard is running a version of Award BIOS for which I don't have the version number to hand but can again post this later if it would be helpful. It has an 80Gb Western Digital hard drive freshly formatted and built with Windows XP Professional with Service Pack 3 and all current patches. In addition to Windows XP, the only other software it's running is Skype 4.1 (4.2 crashes the machine as soon as it starts up). It's got a Daytek MV150 15" touch screen running through the VGA and COM1 with the most current drivers from the Daytek website and the most current version of ELO-Touchsystems drivers for the touch component. The webcam is a Logitech Webcam C200 with the latest drivers from the Logitech website. The problem If I hook any USB 2.0 devices to this machine, it hangs the whole machine and I have to hard boot it to get it back up. Workarounds found I can plug the same devices into the on board USB 1.0 connectors and everything works fine, albeit at reduced performance. I've tried 3 different kinds of USB thumb drives, 3 different makes/models of webcams and my iPhone all with the same effect. They're recognized and don't hang the machine when I hook them to the USB 1.0 but if I hook them to the USB 2.0 ports, the machine hangs within a couple of seconds of recognizing the devices were connected. Attempted solutions I've tried disabling all the on board devices that I'm not using - such as the on board LAN, the second COM port, the AGP connector etc. through the BIOS in an (perhaps misguided or futile) attempt to reduce the power consumption... I don't think it had any effect but it didn't do any harm. I was wondering if the PSU wattage just isn't enough to drive the USB 2.0 devices; I've seen this suggested but haven't found any confirmation that this could really be an issue - nor have I found a way to work around this issue - if indeed it is one. Any ideas? The only thing I haven't done which I only just thought of while writing this essay is trying the USB 2.0 card in a different PCI slot, or re-ordering the wi-fi and USB cards in the slots... although I'm not sure if this will make any difference. I've installed the USB card in another machine and it works without issue, so it's not a problem with the USB card itself. Other thoughts Perhaps this is an incompatibility between the USB 2.0 card and the BIOS, would re-flashing the BIOS with a newer version help? Do I need to be able to identify the manufacturer of the motherboard in order to be able to find a BIOS edition specific for this motherboard or will any version of Award BIOS function in its place? Question Does anyone have any ideas that could help me get my USB 2.0 devices hooked up to this machine?

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  • Where is my VMware-ws FreeNAS CIFS(ZFS) bottle-neck?

    - by maka
    Background: I'm building a quiet HTPC + NAS that is also supposed to be used for general computer usage. I'm so far generally happy with things, it was just that I was expecting a little better IO performance. I have no clue if my expectations are unreal. The NAS is there as a general purpose file storage and as a media server for XBMC and other devices. ZFS is a requirement. Question: Where is my bottle-neck, and is there anything I can do config wise, to improve my performance? I'm thinking VM-disk settings could be something but I really have no idea where to go since I'm neither experienced with FreeNAS nor VMware-WS. Tests: When I'm on the host OS and copy files (from the SSD) to the CIFS share, I get around 30 Mbytes/sec read and write. When I'm on my laptop laptop, wired to the network, I get about the same specs. The test I've done are with a 16 GB ISO, and with about 200 MB of RARs and I've tried avoiding the RAM-cache by reading different files than the ones I'm writing ( 10 GB). It feels like having less CPU cores is a lot more efficient, since the resource manager in Windows reports less CPU-usage. With 4 cores in VMware, CPU usage was 50-80%, with 1 core it was 25-60%. EDIT: HD ActiveTime was quite high on SSD so I moved the page file, disabled hibernate and enabled Win DiskCache both on SSD and RAID. This resulted in no real performance difference for one file, but if i transferred 2 files the total speed went up to 50 Mbytes/s vs ~40. The ActiveTime avg also went down a lot (to ~20%) but has now higher bursts. DiskIO is on ~ 30-35 Mbytes/s avgs, with ~100Mb bursts. Network is on 200-250Mbits/s with ~45 active TCP connections. Hardware Asus F2A85-M Pro A10-5700 16GB DDR3 1600 OCZ Vertex 2 128GB SSD 2x Generic 1tb 7200 RPM drives as RAID0 (in win7) Intel Gigabit Desktop CT Software Host OS: Win7 (SSD) VMware Worksation 9 (SSD) FreeNAS 8.3 VM (20GB VDisk on SSD) CPU: I've tried 1, 2 and 4 cores. Virtualisation engine, Preferred mode: Automatic 10,24Gb ram 50Gb SCSI VDisk on the RAID0, VDisk is formatted as ZFS and exposed through CIFS through FreeNAS. NIC Bridge, Replicate physical network state Below are two typical process print-outs while I'm transfering one file to the CIFS share. last pid: 2707; load averages: 0.60, 0.43, 0.24 up 0+00:07:05 00:34:26 32 processes: 2 running, 30 sleeping Mem: 101M Active, 53M Inact, 1620M Wired, 2188K Cache, 149M Buf, 8117M Free Swap: 4096M Total, 4096M Free PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND 2640 root 1 102 0 50164K 10364K RUN 0:25 25.98% smbd 1897 root 6 44 0 168M 74808K uwait 0:02 0.00% python last pid: 2746; load averages: 0.93, 0.60, 0.33 up 0+00:08:53 00:36:14 33 processes: 2 running, 31 sleeping Mem: 101M Active, 53M Inact, 4722M Wired, 2188K Cache, 152M Buf, 5015M Free Swap: 4096M Total, 4096M Free PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND 2640 root 1 76 0 50164K 10364K RUN 0:52 16.99% smbd 1897 root 6 44 0 168M 74816K uwait 0:02 0.00% python I'm sorry if my question isn't phrased right, I'm really bad at these kind of things, and it is the first time I post here at SU. I also appreciate any other suggestions to something, I could have missed.

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