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  • Lose internet connection, yet online games continue

    - by Mike
    For the past week or so, my internet connection has been anything but stable. Restarting my modem/router always fixes the problems, but since it has occurred so often, I'm noticing confusing patterns which I was hoping someone could help answer. My internet connection kicks out about 4-5 times a day. The sure-fire way to fix it is to restart my all-in-one modem/router. Sometimes I can diagnose the problem on my laptop which resets my wireless network adapter and fixes the problem, but not always. If that doesn't fix the problem, it usually reports that the connection between the modem and internet is the problem which requires a restart of the router. The odd thing which baffles me is that my connection is supposedly lost such that no browsers can connect to sites, yet things like online games still continue to play without issue. How is this possible? I thought maybe the game was running locally on my PC but that couldn't be the answer because I was still getting messages from other players. So my real question is: How can my internet browsers (firefox, chrome, even IE) lose connection to the internet, but other applications like online games not? Am I actually losing connection or am I mistaken? Edit: I'd also like to add that netflix on my PS3 which is directly connected to the same access point will also lose connection. So internet browsers and netflix lose their internet connection while online games continue without an issue.

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  • regsvr32 fails on Windows Server 2003 - LoadLibaray ("my.dll") failed

    - by John Mo
    The DLL in question is a VB6 web class. When deploying, the old one needs to be unregistered and the new one registered. This has worked for many years but has failed now with the following error in a message box: LoadLibrary("c:...\my.dll") failed - The filename, directory name, or volume label syntax is incorrect. I don't think there's a problem with the DLL being (un)registered because it's failing to unregister the existing DLL that was at one time successfully registered. I don't think there's a filename or path problem. Regsvr32 is executed using a batch file where the full path to the DLL is specified. The path has not changed. The batch file has not changed. The DLL has not changed (at least not the old one I need to unregister). It's a programming problem to me because I need to release an updated DLL, but I'm thinking it's maybe an admin problem best suited to the talents of the serverfault audience. I'm hoping somebody knows about a Windows Update or something that might hose regsvr32. Thank you.

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  • Split Tunnel VPN using incorrect Tunnel

    - by Brian Schmeltz
    Our company has a handful of field offices that have recently been setup with a regular internet connection after we removed the T1 and router that connected them directly to our network. Now, when the users are in the office, they log in to the VPN to be able to connect to the network. For the sake of them being able to print and scan from the local multi-function we have setup a split tunnel VPN. We currently have about 15-20 users using this setup around the country without any problems. Recently one of our users started having problems accessing internal programs/sites when connecting from both home and the office. There are three other users in the same office and they do not have this problem. I assumed that it was something with the computer and went ahead and replaced it with another of the same model. The computer worked fine in our home office; however, when the user received it, she had the exact same problem both at home and in the field office. Thinking it may be a NIC driver issue I sent her another computer, this time a different model, same problem occurred. If I update the host file to point to the correct paths, things will work, and if I connect via a normal VPN connection everything works, but the user cannot scan or print - which is a problem. Have tried to find ways to create another tunnel on a normal VPN and have tried to find ways to force the correct tunnel on the split tunnel VPN. It appears that there is something related to the ISP because if I connect to Comcast or Verizon it is fine but once she connects to Insite then she has problems. I have been unable to get any support from Insite as they don't feel the issue is with them. We use a Nortel VPN client. Any thoughts or ideas would be appreciated.

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  • EC2: How dangerous is it to turn off fsck for EBS volumes?

    - by Janine
    I have been tearing my hair out trying to figure out why my EC2 instances (made from my own custom AMIs) were taking many tries to come up properly. They would fail with the following error: fsck.ext3: No such file or directory while trying to open /dev/sdf For both of the EBS volumes I was attaching during startup. Finally, I figured out the problem. I had put this in /etc/fstab: /dev/sdf /export ext3 defaults 1 2 /dev/sdi /export2 ext3 defaults 1 2 The 2 tells the system to fsck the drives on the way up. Changing this to /dev/sdf /export ext3 defaults 1 0 /dev/sdi /export2 ext3 defaults 1 0 Avoids the problem completely, but now the volumes are never going to be fsck'd. How much does this matter? Once the instance goes into production it's going to be running pretty much 24/7, so not many fscks would be happening anyway, but still... this just feels like a bad idea. I have not been able to find anyone else even reporting this problem (there are people with the same error message, but different causes). It seems unbelievable that I could be the only person to ever make this mistake, but perhaps I'm just talented that way. :) If there is another solution to the problem I would love to hear it; I have not been able to find one.

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  • Laptop will not boot

    - by WillumMaguire
    This is a dell studio 1558 laptop. Now, something is wrong with the charger that it won't charge the laptop, but the laptop can turn on and operate properly as long as it is attached. It has been like this for a while, but it's not the problem. My problem is that as of yesterday, It takes several minutes to get past the "dell" startup logo (where is says "f2 setup" and "f12 boot options"). After it gets past, it beeps as normal to tell me about the charger and gives me the f2/f12 options and f1 to continue as normal. I can press f12 to get into boot options and load into my live USB BackTrack 5 ISO, but after "startx" it just stays at a black screen. I can also access BIOS setup, but see nothing that would help the problem. When I boot to the HDD, it gives me this Intel UNDI, PXE-2.1 (build 083) Realktek PCIe GBE Family Controller Series V.2.29 (06/30/09) PXE-E61: Media test failure, check cable PXE-M0F: Exiting PXE ROM Operating System not found Also, pressing f8 gives me the same results as booting as normal. It is running Windows 7 Ultimate, dual-core Intel i3 @ 2.27ghz and 4gb RAM. I think there is an issue with the HDD, as the "Operating System not found" would lead me to believe. Is this a fixable problem?

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  • Split Tunnel VPN using incorrect Tunnel

    - by Brian Schmeltz
    Our company has a handful of field offices that have recently been setup with a regular internet connection after we removed the T1 and router that connected them directly to our network. Now, when the users are in the office, they log in to the VPN to be able to connect to the network. For the sake of them being able to print and scan from the local multi-function we have setup a split tunnel VPN. We currently have about 15-20 users using this setup around the country without any problems. Recently one of our users started having problems accessing internal programs/sites when connecting from both home and the office. There are three other users in the same office and they do not have this problem. I assumed that it was something with the computer and went ahead and replaced it with another of the same model. The computer worked fine in our home office; however, when the user received it, she had the exact same problem both at home and in the field office. Thinking it may be a NIC driver issue I sent her another computer, this time a different model, same problem occurred. If I update the host file to point to the correct paths, things will work, and if I connect via a normal VPN connection everything works, but the user cannot scan or print - which is a problem. Have tried to find ways to create another tunnel on a normal VPN and have tried to find ways to force the correct tunnel on the split tunnel VPN. It appears that there is something related to the ISP because if I connect to Comcast or Verizon it is fine but once she connects to Insite then she has problems. I have been unable to get any support from Insite as they don't feel the issue is with them. We use a Nortel VPN client. Any thoughts or ideas would be appreciated.

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  • Windows xp recovery console without Ntfs.sys? (0x00000024 BSOD)

    - by Kalle
    I have two physical disks in a computer, for simlicity lets call them C and D. C: got Windows XP and D: got some data. The problem is that whenever i have D: connected i can't boot windows. I get some BSOD called 0x00000024/NTFS_FILE_SYSTEM. Same thing if i boot up windows with D: disconnected and then connect it once windows has loaded. The KB article about this problem says that i have to run chkdsk but i can't get to somewhere where i can run this because i get a BSOD whenever the disk is connected! Even the recovery-console BSODs if D: is connected. The final option in the KB is to boot the computer on Windows 2000 Setup disks where you edit some file to manually disable the ntfs.sys driver and then run chkdsk. The problem is that i don't have any floppy drive. Is there any way to boot the built in recovery console with ntfs.sys disabled or to burn the floppy version to a cd after you've extracted and modified it on the harddrive? Right now the Windows xp bootable floppy creator(2) is asking me which floppy drive to extract to which i can't answer because i have none :/ Other solutions to the root problem is also appreciated :) (2) ht tp://www.microsoft.com/downloads/details.aspx?FamilyID=55820edb-5039-4955-bcb7-4fed408ea73f&displaylang=en

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  • Network Explorer Intermittently Fails to Display all Computers in Work Group

    - by graf_ignotiev
    I run a small computer lab of 10 computers and occasionally, when using the network explorer (a.k.a Network Browser) some or all of the remote computers will fail to appear. If I try to access a remote computer by its name I get an unspecified error (code 0x80004005), but I am still able to access it with the computer's IP address. The strangest part is that the problem will inexplicably go away after waiting awhile. Each computer is running Windows 7 x64 Enterprise and has identical hardware, software and configuration. They are all on the same subnet and in the same workgroup. I've spent days researching the problem and have tried the following solutions: Updated the BIOS, chipset and network adapter drivers Changed Power Settings in Network Adapter Properties so that the computer will not turn it off Disabled the Computer Browser service Changed the DHCP node type to broadcast Reviewed the Event Viewer logs Steps 3 and 4 have seemed to help the problem a little bit, but not completely. I'm beginning to suspect that the problem might lie with our router which is a ZyXEL ZyWALL 2WG, as the packets sent by Network Discovery may not be returning in time, but I wanted to get some perspective in the issue before I went any further.

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  • Firefox does not upgrade properly (infinite installation loop without success)

    - by Mehper C. Palavuzlar
    I've been using Firefox for a long time but I have a problem with upgrading process now. As you know, Firefox automatically checks for the latest version and downloads it, and when it is ready to be installed it starts the installation process as usual. Last month, when I clicked on "OK, install v3.6.2", the process started but couldn't be finished properly. FF gave a message like that: "Installation cannot be completed, please restart Firefox to retry". When I restarted FF, the same thing happened, and the process entered in an infinite loop. I restarted my PC and clicked on FF icon, and again the installation process began and went into the infinite loop. My solution to this problem was to download FF 3.6.2 and manually install it after killing firefox.exe. Today, FF proposed me to install v3.6.3 and again the same problem occured. I manually downloaded FF 3.6.3 and installed it successfully. Anyone experiencing this problem? In case you want to know, I did not install any new addons in the last few months, and my FF operates without problems. I'm using Windows 7 Home Pro x64.

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  • ATI HDMI Audio disappears in Windows 7 when a TV is connected

    - by jsalonen
    So far I have unsuccessfully googled for HOURS with no luck fixing this very annoying problem. The settings is the following: I have PC running Windows 7 RC (64-bit) Video card is a ATI Radeon 4850 series card (Sapphire HD 4850 512MB to be exact) The video card has HDMI out with built-in audio chip I have an HDMI cable connecting the PC to a TV (Sony Bravia series) The problem is that when I connect the HDMI cable to the TV, the ATI HDMI Sound output device disappears completely from the list of playback devices in Windows. As a workaround I can restore the audio by re-installing the HDMI audio driver. However, when I disconnect the TV the driver disappears again. So basically, every time I want to watch stuff on my TV, I have to reinstall audio driver, which of course is VERY annoying. EDIT: I have figured out that I do not need to re-istall the HDMI audio driver to restore sound; I only need to reboot my computer with the HDMI cable plugged in to restore the audio driver. This suggests that the problem has something to do with information passed from TV to computer, which makes my HDMI Audio driver disappear. Are there any other, more elegant workarounds for this problem? All help is much appreciated!

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  • PC only boots from Linux-based media and won't boot from DOS-based media

    - by xolstice
    I have this problem where the PC only seems to boot from a floppy disk or CD if it was created as a Linux-based bootable media. If it was created as a DOS-based bootable media the system just freezes at the starting point of the boot process. I originally asked this under question 139515 for CD booting only, and based on the given answers, I was under the impression the problem was with the CD-ROM drive; however, I have since installed a newly purchased CD-ROM drive and the same freezing occurs. This then made me try the DOS bootable floppy disk approach and I was quite surprised that it exhibited the same freezing problem. I then tried try a Linux bootable floppy and everything booted from it without any issues. As I mentioned in my original question, the PC was booting just fine from the DOS-based bootable CD, and then it suddenly decides to pull this freezing stunt. I can't remember if I changed anything in the BIOS settings that may I have caused the problem, but I am wondering if that could be the case - it is currently using the Award Module BIOS v4.60PGMA. Can anyone help?

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  • Very slow browsing shared folder XP client/host

    - by Ickster
    I have a pretty straightforward setup where I'm storing media files on an XP pro machine, and sharing the folder to be accessed by other XP pro machines around the house. (Typically, there's only one client accessing the share at a time, although there may be several with the share mounted.) It's been working just fine for years, but I've recently started having some problems. A couple of days ago, the host PC had power disconnected while it was running. It was restarted and everything seemed fine initially, but since then browsing the shared folder from client machines has been extremely slow and actually reading data is all but impossible. The problem exists in every access method I've tried: Windows Explorer, VLC dialogs, command line, etc. My first thought was that the disk was experiencing problems, but there are no problems viewing the files locally on the host machine. My second thought was that there was a network problem on the host machine, so I removed and reinstalled drivers for the NIC with no change. My third thought was that there might've been a problem elsewhere on the network, so I swapped out hardware to no avail. I'm regrouping and trying to come up with a methodical approach to figuring out what might be wrong. I would of course be thrilled if you can suggest specific problems (Microsoft KB articles, etc.) that I might check, but I'm not expecting a silver bullet. If you can help me outline an approach to identify the problem (including recommended tools, e.g., disk checkers, network analyzers, etc.) I'd greatly appreciate it.

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  • Snow Leopard takes a long time to connect to Windows/Samba server

    - by hood
    We run a very heterogeneous network here: There is some XP, Vista, 7, Leopard, Snow Leopard clients, and Windows 2003 (one remaining legacy app), 2008, and Linux servers. The main file server runs Ubuntu Linux and has been added to the Windows Domain and has been used for many years; SBS 2008 is the PDC (the 2003 and 2008 are on the domain also). In Leopard there were no problems at all authenticating to the file servers. We've upgraded one of the Leopard iMacs to Snow Leopard, though the same problem occurs in a new MBP which came with the newer OS as well as a clean install on another iMac. It does not matter whether connected through wired or wireless. In the Finder when clicking on the server - whether on first boot or after it is connected - it will display "Connecting..." for up to a few minutes before either generally working (if username/password in keychain) or displaying "Connection Failed" - at which time clicking "Connect As" and typing in the username/password will take some more time and eventually work. Sometimes it will display "Connecting..." indefinitely. (I've left it as long as 15 minutes before trying something else) Accessing shares on the the 2003 and SBS servers have the problem (so I don't think it's a Samba server issue). The Server 2008 Standard is connecting instantly at the moment. Accessing the share through an alias/stacks doesn't have this problem. Leopard and Windows clients still have no problem. I've searched Google but hasn't yielded any working result. How do I get rid of this delay?

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  • Problems with word completion on Windows Mobile

    - by Rowland Shaw
    For "some reason" the word completion function on my windows mobile phone (HTC Diamond, rebadged as a T-Mobile MDA Compact IV (UK) running WM6.1 with HTC Touch Flo 3D) hasn't worked since one of my firends was taking a look at the phone (I remember him bitching about it being too obtrusive for him, as an iPhone fanboy). I've checked all the obvious settings ( Start Input Word Completion ) and everything looks set there; I tried a hard reset, to no avail and even tried upgrading the ROM t the latest from my network provider. I even tried walking into the store where I bought the phone, and the staff couldn't fix the issue. I still have my old handset, which also runs WM6.1 (a T-Mobile MDA Compact III (UK), albeit without Touch Flo 3D), and the word completion works on there, so I'm a little confused as to why I can't get it to work again on my new handset. Can anybody identify why this might not be working, or help me fix it? Edit: Even "Touch Input Settings" has both "Word Completion in T9 mode" and "Word Completion in ABC mode" checked. The full qwerty keyboard option is in T9 mode, and word completion works for this input method; It still does not work for my preferred, "Letter Recogniser" method.

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  • Identifying Hard Drive as performance bottleneck for desktop machines

    - by Programming Hero
    I'm working in a development team where we all use laptops so we can work in multiple locations. These laptops are proving notoriously slow for development work, but at a glance they all look to have the specification for a much faster experience: CPU - Intel Core 2 Duo T7500 Memory - 2GB of RAM We all experience the biggest delays when the hard-drives are being accessed, particularly when swap-files are being thrashed. After doing a little bit of profile, a colleague discovered that our HDDs are seeing Read/Write speeds of about 10MB/sec. This seems abnormally low and we believe it the cause of the problem. Sensibly (though somewhat annoyingly) our business wont blow money on faster drives just to see if it fixes the problem; we need to illustrate this is definitely the problem and that buying some solid-state drives will make it go away. I need some way of showing how 90% of the system resources aren't being used over the course of a day, and that whenever there is utilization, it's all in HDD reads or writes. Are there any tools I could use to provide this information? Does it seem likely the problem is going to be fixed by a faster drive? Should I be looking for alternatives?

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  • Video output vanishes and it isn't the video card... suggestions?

    - by Ira Baxter
    I have a high-end dual processor Dell workstation that operated for several years without problem. Recently, the video output has gone flaky, in the sense that after 2-3 days, it loses synch with the monitor (sometimes you can still see a hashed-mess of the what you expect to see on the screen). Poking at the keyboard, and accessing the file system on the machine from over the network, indicates that the machine is running fine and its just the video. A reboot fixes the problem... for another day or two. This in effect makes the machine unusable. So, I replaced the video card with an exact duplicate bought from e-bay. (I checked after the dupe arrived to be sure, yep, same model number). I still get the same behavior. So unless I believe that both video cards are broken the same way, I have to beleive this is a problem with the motherboard/power supply, neither of which I am inclined to replace. The only other possibility I can think of is a Windows update to the graphics driver. How would I check for this? Anybody had a similar problem? Otherwise we're junking what used to be a perfectly good machine. (Another couple of hours of more wasted effort and that's it in terms of economics anyway).

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  • (13) Permission denied on Apache CGI attempt

    - by ncv
    I have recently upgraded my Apache2 server, and am now unable to run a CGI app. My logs are showing (13) Permission denied unable to connect to cgi deamon after multiple tries I understand that the error message means Apache is being denied some permission to some file, and I'm stumped as to how to track down and solve the problem. Is the file mentioned in the error message truly the blocked file? Or might the problem be caused by some other needed file? The .cgi file is right where it has always been, under /usr/share. The file ownership (root) and permissions (world readable/executable) are the same as they have always been for the file and its ancestors. The SELinux file labels are unchanged. The SELinux audit log shows no denial associated with Apache nor the CGI program. In case of a donotaudit condition, I enabled audit, but still saw nothing. I switched SELinux into permissive mode briefly, to no avail. I even tried restarting Apache while in permissive mode. This did not solve the problem. Any suggestions on how to solve this problem? I'm tempted to just revert to the older Apache.

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  • tomcat start service NoClassDefFoundError?

    - by mobibob
    I am trying to redeploy my server on a new server with a different DNS and IP address. Therefore, I think my problem is in the configuration to find JAR files. Is there a way to get more detail as to which class is being requested so I can narrow down my problem. Does anyone have any suggested troubleshooting guidance for such problem? BTW - the configuration was working on the original server, and I tried to find all the locations in the files: conf/, worker.properties, server.xml, catalina.policy, web.xml. The jarkarta.log repeats the starting... error initializing ... forever. Very boring, therefore, the problem has to be fundamental. Apparently, the error message is recorded in the log across more than one line and would be this: Error occurred during initialization of VM java/lang/NoClassDefFoundError : java/lang/Object [2012-05-21 18:20:33] [info] Procrun (2.0.4.0) started [2012-05-21 18:20:33] [info] Running Service... [2012-05-21 18:20:33] [info] Starting service... [2012-05-21 18:20:33] [info] Error occurred during initialization of VM [2012-05-21 18:20:33] [info] java/lang/NoClassDefFoundError [2012-05-21 18:20:33] [info] : java/lang/Object [2012-05-21 18:21:59] [info] Procrun (2.0.4.0) started [2012-05-21 18:21:59] [info] Running Service... [2012-05-21 18:21:59] [info] Starting service... [2012-05-21 18:21:59] [info] Error occurred during initialization of VM [2012-05-21 18:21:59] [info] java/lang/NoClassDefFoundError [2012-05-21 18:21:59] [info] : java/lang/Object [2012-05-21 18:35:16] [info] Procrun (2.0.4.0) started [2012-05-21 18:35:16] [info] Running Service... [2012-05-21 18:35:16] [info] Starting service... [2012-05-21 18:35:16] [info] Error occurred during initialization of VM [2012-05-21 18:35:16] [info] java/lang/NoClassDefFoundError [2012-05-21 18:35:16] [info] : java/lang/Object [2012-05-21 18:45:25] [info] Procrun (2.0.4.0) started [2012-05-21 18:45:25] [info] Running Service... [2012-05-21 18:45:25] [info] Starting service... [2012-05-21 18:45:25] [info] Error occurred during initialization of VM [2012-05-21 18:45:25] [info] java/lang/NoClassDefFoundError [2012-05-21 18:45:25] [info] : java/lang/Object [2012-05-21 18:46:29] [info] Procrun (2.0.4.0) started [2012-05-21 18:46:29] [info] Running Service... [2012-05-21 18:46:29] [info] Starting service... [2012-05-21 18:46:29] [info] Error occurred during initialization of VM [2012-05-21 18:46:29] [info] java/lang/NoClassDefFoundError

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  • Can't connect to research.microsoft.com on home Qwest DSL connection

    - by rakingleaves
    I have a puzzling issue regarding accessing research.microsoft.com from my home Qwest DSL connection. By default, I frequently get timeouts when accessing research.microsoft.com from Firefox, Safari, or Chrome on my Mac. I also cannot access the site from Internet Explorer in a Windows VM. However, I am able to access the site through proxify.com, so I know the site is not down. Furthermore, I haven't noticed problems accessing other sites (in particular, www.microsoft.com works fine). Also, I can access research.microsoft.com when I'm connected to networks other than my home Qwest DSL connection. Together, the above make me suspect a problem with either my router (Airport Express) or, more likely, my ISP. Anyone have any thoughts on how I can narrow down the problem further? I could call my ISP and tell them the above, but my feeling is that probably won't get me very far. I can get by browsing research.microsoft.com through a proxy, but it would be nice to figure out what's going on here and fix the problem. Oh, the only relevant discussion I found via Google was here: http://forums.whirlpool.net.au/forum-replies-archive.cfm/1311734.html Update: Thanks to those who have tried to help! I found one other thing while Googling that may be vaguely relevant: http://thedaneshproject.com/posts/supportmicrosoftcom-not-working-behind-squid/ Disabling the Accept-Encoding headers in Firefox actually didn't make a difference for me. I just thought the above might spark some other ideas about how mishandling of HTTP headers somewhere might be causing this problem. Thanks again! Another update: In case anyone is still thinking about this; I've found that I can't surf research.microsoft.com using the links text-based browser, but I can reliably download individual files with wget. Maybe that helps?

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  • Chrome browser completely messing with network?

    - by kiasecto
    I have a bizare problem with Google Chrome on a intel core i5 running windows 7 32bit. Whenever chrome is installed, access to other computers in the home group becomes really slow - such as opening shares. Its becomes really slow to resolve windows names. Something goes hay-wire with the local network - pining local machines which is usually 0mS pings I get random timeouts and random successes. Whenever I try to load a local address inside of chrome (including localhost, 192.168.0.1 etc) - it always says something in the status bar about resolving proxy and times out after about 5 seconds, then seems to work fine. If I go to settings inside of chrome, it just brings up the internet explorer connection settings, where I have not set any proxy settings. One I uninstall chrome, all these problems go away. Network shares and name resolvings work instantly, pings to any machines never have a problem. Localhost and other network IP address work fine in all other browsers. Anyone heard of this problem before and know what it might be? I even tried re-installing winodws 7 and the problem came straight back when chrome was loaded on again.

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  • Cannot ping Google Public DNS on 8.8.8.8

    - by Tibor
    I have a weird problem on my Windows 7 (x64) computer. I seem to cannot ping the Google Public DNS on one of its addresses (while the other works fine). The peculiar thing is that it fails with the General failure. error message which usually means that there is a problem with a network adapter/base connectivity and not a timeout as one would expect. I checked my routing tables for any anomalies and I even flushed them but the problem seems unrelated. All the other hosts I tried ping fine (either respond or timeout). If I try to tracert or connect to the address via browser (yes, I know that it doesn't listen on port 80), it also fails instantaneously. The reason I need to ping 8.8.8.8 is that I commonly use it as a test of Internet conectivity due to it being rememberable. The problem occurs no matter where I connect to the Internet (it is a laptop computer). What could be the cause of this anomaly? Note: I use native IPv6 connectivity.

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  • Need for explanation: NetBIOS over TCP/IP on VMware network adapter disturbs access to network share

    - by gyrolf
    (Moved here from StackOverflow) Some time ago nearly all workstations in our team (Windows XP SP2) exhibited intermittend but frequent delays when accessing shares on the network. Typically the first access to a share which hadn't been accessed for some time resulted in a nearly frozen workstation for up to 30 seconds. Then everything started working fine again. Using TCPView from Sysinternals I saw that during this delays there was a connection to the netbios-ssn port on the file server which was in state SYN_SENT. First try: Disable NetBIOS over TCP/IP for the intranet network adapter. Problem solved, but I didn't like to manipulate our centrally managed network configuration for the intranet. Second try: Disable NetBIOS over TCP/IP only for the VMWare network adapter (VMNet1 used for host only communications). Problem solved again! My questions: Why does NetBIOS over TCP/IP on one network adapter disturb NetBIOS over TCP/IP on another network adapter? Is this problem specific to VMWare network adapters? Has anybody else seen this phenomen? Additional information: VMWare Workstation version 6.0.3 At the time I started seriously analysing the problem it was no more possible to find out what had been changed to our systems at the time the problems started.

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  • flowchart for debugging a slow/unresponsive server

    - by davidosomething
    So the server is slow: Roll back to the previous known working build - Success? Code problem - Fail? Go on. Ping ip address - Success? maybe a DNS problem, go on. - Fail? Server or connection problem, go on. Ping and tracert your domain.com from inside your network - previous success - fail: DNS problem - success? go on. - previous fail and: - Fail? Go on, could be you or network. - Success? Go on. Try it from outside your network (http://centralops.net/co/) - Fail? The server's network connection sucks. - Success? If inside network was fail, your network sucks. Check the server load: CPU/RAM usage. Is it overloaded? - Yes. Who's the culprit? Kill some processes/reboot. - No? Go on. what other steps should i add?

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  • guest crash on long backup via rsync

    - by ToreTrygg
    I recently upgraded host to Ubuntu 9.10 with vmware server 2.0.2, i had two guest machine. One is a sme server i had several crash during a session of backup with rsync to another pc. Normal activities run regularly. The other guest is up without problem since 25 days. I found in the log a lot o f row like these Dec 20 05:29:27.445: vcpu-1| VLANCE: Ethernet0 skipped 2560 time(s) Dec 20 05:29:27.445: vcpu-1| VLANCE: 66 12 5 8 2 3 3 0 1 0 0 1 0 1 2 0 Dec 20 05:29:27.445: vcpu-1| VLANCE: 0 0 1 0 1 0 0 0 1 0 0 0 0 1 0 2452 Dec 20 05:29:27.651: vmx| ide0:0: Command WRITE(10) took 1.947 seconds (ok) Dec 20 05:29:37.945: vmx| ide0:0: Command WRITE(10) took 1.033 seconds (ok) when the vitual machine crash the log report, I paste here only some part to limit the lenght of the message Dec 27 01:48:05.686: Worker#2| Caught signal 6 -- tid 700 Dec 27 01:48:05.686: Worker#2| SIGNAL: eip 0x460422 esp 0xb124c024 ebp 0xb124c03 Dec 27 01:48:05.712: Worker#2| SymBacktrace12 00000000 eip 0x39d7ee in function clone in object /lib/tls/i686/cmov/libc.so.6 loaded at 0x2d1000 Dec 27 01:48:05.719: Worker#2| Unexpected signal: 6. Dec 27 01:48:05.720: Worker#2| Core dump limit is 0 KB. Dec 27 01:48:05.762: Worker#2| Child process 10455 failed to dump core (status 0 x6). Dec 27 01:48:05.762: Worker#2|SymBacktrace13 00000000 eip 0x39d7ee in function clone in object /lib/tls/i686/cmov/libc.so.6 loaded at 0x2d1000 Dec 27 01:48:05.779: Worker#2|Msg_Post: Error Dec 27 01:48:05.780: Worker#2|http://msg.log.error.unrecoverable VMware Server unrecoverable error: (Worker#2) Dec 27 01:48:05.780: Worker#2|Unexpected signal: 6. I have no idea how to solve the problem with this installation, I think to dowgrade the host to a version more compatible with vmware server 2. I read a lot of post about difficult of installation I think the problem of compilation during install could be related to my problem. Excuse me if the post isn't very clear, it's my first post here. Any help or suggest will be appreciated. Thanks

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  • Libvirt / QEmu Machine Fails and Refuses Restart Because of Memory Allocation Errors

    - by Elmar Weber
    I'm having a problem with libvirt. On a system restart all virtual machines (VMs) are started without a problem and keep running. Then at some point in time a set of machines shuts down according to their log. When I try to restart the machine, I'm getting an error that the memory allocation failed, although more than enough memory is free. server ~ # free total used free shared buffers cached Mem: 16176648 16025476 151172 0 285432 950300 -/+ buffers/cache: 14789744 1386904 Swap: 0 0 0 server ~ # virsh start zimbra error: Failed to start domain zimbra error: Unable to read from monitor: Connection reset by peer server ~ # tail -n 4 /var/log/libvirt/qemu/zimbra.log 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-0.12 -enable-kvm -m 3072 -smp 2,sockets=2,cores=1,threads=1 -name zimbra -uuid d05ddb7a-83c4-a77b-d8bc-a322648520cf -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/zimbra.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/var/lib/libvirt/images/zimbra.img,if=none,id=drive-ide0-0-0,format=raw -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -netdev tap,fd=19,id=hostnet0 -device rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:21:a9:ad,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -usb -vnc 192.168.1.2:25 -k de -vga cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 char device redirected to /dev/pts/2 Failed to allocate 3221225472 B: Cannot allocate memory 2012-07-06 08:42:56.076+0000: shutting down server ~ # uname -a Linux server 3.2.0-26-generic #41-Ubuntu SMP Thu Jun 14 17:49:24 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux The system is a Ubuntu 12.04 server. The problem seems to occurs since the last restart, which was due to a number of package upgrades and a kernel upgrade. I tried booting with the previous kernel, the problem persists. I was not able to pinpoint an exact event when the machines fail, they do it at nearly the same time. The last time a duplicity job was running, this was not always the case however. Any suggestions on how to debug this? Best regards, elm

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