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• What is the relationship between OpenGL, GLX, DRI, and Mesa3D?

  - by user65308

  I am starting out doing some low-level 3D programming in Linux. I have a lot of experience using the higher level graphics API OpenInventor. I know it is not strictly necessary to be aware of how all these things fit together but I'm just curious. I know OpenGL is just a standard for graphics applications. Mesa3D seems to be an open source implementation of this standard. So where do GLX and DRI fit? Digging around on Wikipedia and all these websites, I've yet to find an explanation of exactly how it all goes together. Where does hardware acceleration happen? What do proprietary drivers have to do with this? Thanks!

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• Sound not working

  - by Jason

  I am new to ubuntu, but really enjoy it. I do have one issue with setting it up on my computer. It is a GoBook XR-1 and everything works perfectly except there is no sound. I've searched and tried everything that I can think of, even uninstalling ubuntu and trying Windows to see if the speakers worked. I found out that it wasn't the speakers or any hardware issues. I tried to download the Realtek drivers, but still no success.

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• Multiple copies of JBoss acting as one? [migrated]

  - by scphantm

  I have a few ideas how to solve the problem, but one question about jboss clustering. Please, keep in mind these applications were written very poorly, that is why they require so much memory and there is nothing i can do about that right now. So, I have clustered applications on Jboss where the application was small enough to run on one box. Meaning that one machine could handle the load. But, the current problem is that i have been asked to run several systems on the same environment. Our machines are virtuals and due to limited hardware, are restricted to 8 GB RAM, which gives jboss about 7GB to itself. Unfortunately, that isn't enough to run the group of applications. Im constantly getting heap errors and crashes. If i cluster 2 or 3 jboss instances together, can i run applications that consume more resources than a single box can handle?

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• Ubuntu and surround sound

  - by keith

  I'm trying to connect my Logitech x.530 to my Dell studio 1558 and get 5.1 sound. I have 3 jacks and in Windows I automatically could switch between line in adn mic. Which means I could get 5.1 surround over these 3 jacks. Ubuntu does not realise that one of the three jacks should be switched to give sound to the center and LFE speaker. I tried all the tips in the forums, but nothing works. I can only select 4.0 sound in pulse audio. As the dell and the IDT 92hd89e chip for the sound are probably famous laptops I thought there must be someone who has similar issues in the 5.1 sound. I would like to stay at Linux but without this hardware support it's almost impossible.

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• Are the results of the system-check taken by "checkbox-gtk" public? Where can I watch them?

  - by oZiRiz

  With Ubuntu there comes a nice possibility to check the compatibility of a new (or even old) system and to send these data to the ubuntu developers. The tool to do this is "checkbox-gtk". I would like to know, whether there is a chance to view these results because it would be nice to know if the future system will work with ubuntu. Yes. I know about the certified hardware list, but there are only a few systems listed and i hope that more people test there systems with checkbox and commit the results.

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• Fix grub2 after installing ubuntu 12.04

  - by user80039

  I've installed ubuntu 12.04, but after rebooting I get the message: GRUB loading: Welcome to GRUB! error: file '/grub/i386-pc/normal.mod' not found Entering rescue mode... grub rescue> I have the following partitons setup: /dev/sda6: /boot ext2 /dev/sda9: / ext4 /dev/sda8: swap /dev/sda7: /home ext4 I guess that some of the prefixes for GRUB are wrong due to the /boot partition? Or there might be a problem with EFI? The hardware is a 1015bx asus netbook with c-60 amd fusion chipset. How can I fix this GRUB problem from the rescue prompt?

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• Opening programs very slow on ubuntu 12.10

  - by Mislav Blaževic

  When I open any program for first time after boot, it loads VERY slowly (Doesn't matter how long after boot). For example, terminal takes 2-3 seconds, skype and firefox often take much longer. If I close it and open again, it loads in reasonable time (<1 second). I got Intel Core i5-2500K CPU @ 3.30GHz, so it shouldn't be hardware issue... What is causing this? Disk benchmark: Average read time: 115.5 MB/s (100 samples) Average write time: 98.7 MB/s (100 samples) Average access time: 11.79 msec (1000 samples)

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• appearance incomplete

  - by user288986

  I'm using 14:04 which is pretty nice. Something wionders me: if I open a window (e.g. Ubuntu Software Centre) I can see SOME items (sometimes nothing) but by hovering the mouse over it it appears - and then disappears again. Sometimes the side mover acts the same way... Maybe it has to do with my hardware: P4, 3 GHz, 2 GB RAM, older graphics board, KVM-switch? There's no difference whether I use Gnome, Ubuntu standard, Ubuntu classic, Ubuntu fallback... Thanks for hints Jens

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• What programming Langauge Would you learn to Reengineer USB Devices? [closed]

  - by user70113

  Currently Work in IT support and am retraining in electrical engineering / electronics, I am also interested in Reverse Engineering which language would be best for Hardware RE, I have seen a few sources say C, C++ and Python? I am not familiar with Linux, but installed ubuntu to learn with. I am not a programmer far from it, but I can understand enough basic VB,Java and PHP to edit it for simple things. One of my immediate projects would be to learn to reverse engineer USB devices and write my own low level drivers, I know there are porting kits, but I really want to know it from the ground up. Thanks for any advise folks Most Appreciated.

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• How to disable the "roll up" / "shade" keyboard shortcut in Gnome 3 (after upgrading to 12.04)?

  - by torpesco

  I am using Gnome 3. After upgrading from 11.10 to 12.04, "Ctrl-Alt-S" was reclaimed for use in toggling the shaded state of a window. I have checked the following places, and I haven't been able to find any instance of a keybinding set for toggling the shaded state. System Settings / Hardware / Keyboard / Shortcuts (as per How do I disable Ctrl+Alt+s to minimize a window?) I even tried setting a different shortcut. Made no difference. dconf-editor (now deprecated, from what I've found) gconf-editor/gsettings What am I missing?

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• Tuning Distributed Applications to Access Big Data

  Distributed applications are just that: distributed across one or more hardware platforms across the enterprise. The database administrator (DBA) has the unenviable task of monitoring these environments and configuring and tuning the database server to meet multiple needs. As multiple distributed applications now require access to a very large data store, what tuning options are available to help? Get your SQL Server database under version control now!Version control is standard for applications, but databases haven’t caught up. So how can you bring database development up to speed? Why should you start? Find out…

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• Spurious resets on Ubuntu

  - by boone2048

  I have a PC running Ubuntu 13.04 64bit, and I do weekly updates, so everything should be up-to-date. Everything is running fine, but sometimes, once-twice a week a complete reset happens. I think it must be software or hardware (perhaps Videocard) related, but I can't figure out what could be wrong. Can anybody suggest some ways, log files, where I could continue to search? By looking just at dmesg/dmesg.0 and Xorg.0.log I got nowhere. I cant find even a user application segfault. Any help is really appreciated.

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• CRU??????????????????????????

  - by aiyoku

  ACS T&M ?????(CRU) ?????? ????·??????·?????·????(ACS)???ACS T&M ?????(CRU) ????????????? ???????????????·???????(Premier Support for Systems)???????????????????????????????????????????·?????·??????????????? ????????????????????????????????????? ?????????????????????????·?????????????????????????????????ID??????????????????????????·??????????????? ???????????????????????????????????????????????·??????????????? ??:??????·??????????????????????????????????? (1664356.1)   ????????????????????? ???????????????????????????·????????????????????Oracle Hardware??Systems ????·?????????????????"Delivery Method Chart: Replacement Parts and Installation of Integrated Software Updates" ???????????????? ??????????????????????????????????????????????????????(?????????)?????????????????? ??????????????????????????????? Oracle System Handook ????????? ????Oracle System Handook????????????????????? ??????????? Full Component List ?????????????? Manufacturing Part # ?????????7039990 [C]??????Manufacturing Part #???? [C] ????????????????? [C] ????????????????????????????? ??????????????????????????????????·???????????·???????????????????????????????????????????????????????????????????????   ??????? ????????????????????????????????????????????

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• Mongodb vs. Cassandra

  - by ming yeow

  I am evaluating what might be the best migration option. Currently, i am on a sharded mysql (horizontal partition), with most of my data stored in json blobs. I do not have any complex SQL queries( already migrated away after since I partitioned my db) Right now, it seems like both Mongodb and Cassandra would be likely options. My situation lots of reads in every query, less regular writes not worried about "massive" scalability more concerned about simple setup, maintenance and code minimize hardware/server cost

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• Tips / techniques for high-performance C# server sockets

  - by McKenzieG1

  I have a .NET 2.0 server that seems to be running into scaling problems, probably due to poor design of the socket-handling code, and I am looking for guidance on how I might redesign it to improve performance. Usage scenario: 50 - 150 clients, high rate (up to 100s / second) of small messages (10s of bytes each) to / from each client. Client connections are long-lived - typically hours. (The server is part of a trading system. The client messages are aggregated into groups to send to an exchange over a smaller number of 'outbound' socket connections, and acknowledgment messages are sent back to the clients as each group is processed by the exchange.) OS is Windows Server 2003, hardware is 2 x 4-core X5355. Current client socket design: A TcpListener spawns a thread to read each client socket as clients connect. The threads block on Socket.Receive, parsing incoming messages and inserting them into a set of queues for processing by the core server logic. Acknowledgment messages are sent back out over the client sockets using async Socket.BeginSend calls from the threads that talk to the exchange side. Observed problems: As the client count has grown (now 60-70), we have started to see intermittent delays of up to 100s of milliseconds while sending and receiving data to/from the clients. (We log timestamps for each acknowledgment message, and we can see occasional long gaps in the timestamp sequence for bunches of acks from the same group that normally go out in a few ms total.) Overall system CPU usage is low (< 10%), there is plenty of free RAM, and the core logic and the outbound (exchange-facing) side are performing fine, so the problem seems to be isolated to the client-facing socket code. There is ample network bandwidth between the server and clients (gigabit LAN), and we have ruled out network or hardware-layer problems. Any suggestions or pointers to useful resources would be greatly appreciated. If anyone has any diagnostic or debugging tips for figuring out exactly what is going wrong, those would be great as well. Note: I have the MSDN Magazine article Winsock: Get Closer to the Wire with High-Performance Sockets in .NET, and I have glanced at the Kodart "XF.Server" component - it looks sketchy at best.

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• Develop for WinCE with VS2010

  - by Michael

  I have a VS2003 WinForms app running on WinCE (running on proprietary hardware so a switch is out for now) and I'd like to know if I can upgrade it to VS2010 (or 2008). In doing so, I lose the option to deploy it to a WinCE emulator. Is this situation just broken, or do I have options.

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• Linux - serial port read returning EAGAIN...

  - by Andre

  Hello all! I am having some trouble reading some data from a serial port I opened the following way. I've used this instance of code plenty of times and all worked fine, but now, for some reason that I cant figure out, I am completely unable to read anything from the serial port. I am able to write and all is correctly received on the other end, but the replies (which are correctly sent) are never received (No, the cables are all ok ;) ) The code I used to open the serial port is the following: fd = open("/dev/ttyUSB0", O_RDWR | O_NONBLOCK | O_NOCTTY); if (fd == -1) { Aviso("Unable to open port"); return (fd); } else { //Get the current options for the port... bzero(&options, sizeof(options)); /* clear struct for new port settings */ tcgetattr(fd, &options); /*-- Set baud rate -------------------------------------------------------*/ if (cfsetispeed(&options, SerialBaudInterp(BaudRate))==-1) perror("On cfsetispeed:"); if (cfsetospeed(&options, SerialBaudInterp(BaudRate))==-1) perror("On cfsetospeed:"); //Enable the receiver and set local mode... options.c_cflag |= (CLOCAL | CREAD); options.c_cflag &= ~PARENB; /* Parity disabled */ options.c_cflag &= ~CSTOPB; options.c_cflag &= ~CSIZE; /* Mask the character size bits */ options.c_cflag |= SerialDataBitsInterp(8); /* CS8 - Selects 8 data bits */ options.c_cflag &= ~CRTSCTS; // disable hardware flow control options.c_iflag &= ~(IXON | IXOFF | IXANY); // disable XON XOFF (for transmit and receive) options.c_cflag |= CRTSCTS; /* enable hardware flow control */ options.c_cc[VMIN] = 0; //min carachters to be read options.c_cc[VTIME] = 0; //Time to wait for data (tenths of seconds) //Set the new options for the port... tcflush(fd, TCIFLUSH); if (tcsetattr(fd, TCSANOW, &options)==-1) { perror("On tcsetattr:"); } PortOpen[ComPort] = fd; } return PortOpen[ComPort]; After the port is initializeed I write some stuff to it through simple write command... int nc = write(hCom, txchar, n); where hCom is the file descriptor (and it's ok), and (as I said) this works. But... when I do a read afterwards, I get a "Resource Temporarily Unavailable" error from errno. I tested select to see when the file descriptor had something t read... but it always times out! I read data like this: ret = read(hCom, rxchar, n); and I always get an EAGAIN and I have no idea why. All help would be appreciated. Cheers

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• Linux e1000e (Intel networking driver) problems galore, where do I start?

  - by Evan Carroll

  I'm currently having a major problem with e1000e (not working at all) in Ubuntu Maverick (1.0.2-k4), after resume I'm getting a lot of stuff in dmesg: [ 9085.820197] e1000e 0000:02:00.0: PCI INT A disabled [ 9089.907756] e1000e: Intel(R) PRO/1000 Network Driver - 1.0.2-k4 [ 9089.907762] e1000e: Copyright (c) 1999 - 2009 Intel Corporation. [ 9089.907797] e1000e 0000:02:00.0: Disabling ASPM L1 [ 9089.907827] e1000e 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 9089.907857] e1000e 0000:02:00.0: setting latency timer to 64 [ 9089.908529] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9089.908922] e1000e 0000:02:00.0: Disabling ASPM L0s [ 9089.908954] e1000e 0000:02:00.0: (unregistered net_device): PHY reset is blocked due to SOL/IDER session. [ 9090.024625] e1000e 0000:02:00.0: eth0: (PCI Express:2.5GB/s:Width x1) 00:0a:e4:3e:ce:74 [ 9090.024630] e1000e 0000:02:00.0: eth0: Intel(R) PRO/1000 Network Connection [ 9090.024712] e1000e 0000:02:00.0: eth0: MAC: 2, PHY: 2, PBA No: 005302-003 [ 9090.109492] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9090.164219] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X and, a bunch of [ 2128.005447] e1000e 0000:02:00.0: eth0: Detected Hardware Unit Hang: [ 2128.005452] TDH <89> [ 2128.005454] TDT <27> [ 2128.005456] next_to_use <27> [ 2128.005458] next_to_clean <88> [ 2128.005460] buffer_info[next_to_clean]: [ 2128.005463] time_stamp <6e608> [ 2128.005465] next_to_watch <8a> [ 2128.005467] jiffies <6f929> [ 2128.005469] next_to_watch.status <0> [ 2128.005471] MAC Status <80080703> [ 2128.005473] PHY Status <796d> [ 2128.005475] PHY 1000BASE-T Status <4000> [ 2128.005477] PHY Extended Status <3000> [ 2128.005480] PCI Status <10> I decided to compile the latest stable e1000e to 1.2.17, now I'm getting: [ 9895.678050] e1000e: Intel(R) PRO/1000 Network Driver - 1.2.17-NAPI [ 9895.678055] e1000e: Copyright(c) 1999 - 2010 Intel Corporation. [ 9895.678098] e1000e 0000:02:00.0: Disabling ASPM L1 [ 9895.678129] e1000e 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 9895.678162] e1000e 0000:02:00.0: setting latency timer to 64 [ 9895.679136] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9895.679160] e1000e 0000:02:00.0: Disabling ASPM L0s [ 9895.679192] e1000e 0000:02:00.0: (unregistered net_device): PHY reset is blocked due to SOL/IDER session. [ 9895.791758] e1000e 0000:02:00.0: eth0: (PCI Express:2.5GB/s:Width x1) 00:0a:e4:3e:ce:74 [ 9895.791766] e1000e 0000:02:00.0: eth0: Intel(R) PRO/1000 Network Connection [ 9895.791850] e1000e 0000:02:00.0: eth0: MAC: 3, PHY: 2, PBA No: 005302-003 [ 9895.892464] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9895.948175] e1000e 0000:02:00.0: irq 44 for MSI/MSI-X [ 9895.949111] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 9895.954694] e1000e: eth0 NIC Link is Up 10 Mbps Full Duplex, Flow Control: RX/TX [ 9895.954703] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO [ 9895.955157] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 9906.832056] eth0: no IPv6 routers present With 1.2.20 I get: [ 9711.525465] e1000e: Intel(R) PRO/1000 Network Driver - 1.2.20-NAPI [ 9711.525472] e1000e: Copyright(c) 1999 - 2010 Intel Corporation. [ 9711.525521] e1000e 0000:02:00.0: Disabling ASPM L1 [ 9711.525554] e1000e 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 9711.525586] e1000e 0000:02:00.0: setting latency timer to 64 [ 9711.526460] e1000e 0000:02:00.0: irq 45 for MSI/MSI-X [ 9711.526487] e1000e 0000:02:00.0: Disabling ASPM L0s [ 9711.526523] e1000e 0000:02:00.0: (unregistered net_device): PHY reset is blocked due to SOL/IDER session. [ 9711.639763] e1000e 0000:02:00.0: eth0: (PCI Express:2.5GB/s:Width x1) 00:0a:e4:3e:ce:74 [ 9711.639771] e1000e 0000:02:00.0: eth0: Intel(R) PRO/1000 Network Connection [ 9711.639854] e1000e 0000:02:00.0: eth0: MAC: 3, PHY: 2, PBA No: 005302-003 [ 9712.060770] e1000e 0000:02:00.0: irq 45 for MSI/MSI-X [ 9712.116195] e1000e 0000:02:00.0: irq 45 for MSI/MSI-X [ 9712.117098] ADDRCONF(NETDEV_UP): eth0: link is not ready [ 9712.122684] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX [ 9712.122693] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO [ 9712.123142] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 9722.920014] eth0: no IPv6 routers present But, I'm still getting these [ 9982.992851] PCI Status <10> [ 9984.993602] e1000e 0000:02:00.0: eth0: Detected Hardware Unit Hang: [ 9984.993606] TDH <5d> [ 9984.993608] TDT <6b> [ 9984.993611] next_to_use <6b> [ 9984.993613] next_to_clean <5b> [ 9984.993615] buffer_info[next_to_clean]: [ 9984.993617] time_stamp <24da80> [ 9984.993619] next_to_watch <5d> [ 9984.993621] jiffies <24f200> [ 9984.993624] next_to_watch.status <0> [ 9984.993626] MAC Status <80080703> [ 9984.993628] PHY Status <796d> [ 9984.993630] PHY 1000BASE-T Status <4000> [ 9984.993632] PHY Extended Status <3000> [ 9984.993635] PCI Status <10> [ 9986.001047] e1000e 0000:02:00.0: eth0: Reset adapter [ 9986.176202] e1000e: eth0 NIC Link is Up 10 Mbps Full Duplex, Flow Control: RX/TX [ 9986.176211] e1000e 0000:02:00.0: eth0: 10/100 speed: disabling TSO I'm not sure where to start troubleshooting this. Any ideas? Here is the result of ethtool -d eth0 MAC Registers ------------- 0x00000: CTRL (Device control register) 0x18100248 Endian mode (buffers): little Link reset: reset Set link up: 1 Invert Loss-Of-Signal: no Receive flow control: enabled Transmit flow control: enabled VLAN mode: disabled Auto speed detect: disabled Speed select: 1000Mb/s Force speed: no Force duplex: no 0x00008: STATUS (Device status register) 0x80080703 Duplex: full Link up: link config TBI mode: disabled Link speed: 10Mb/s Bus type: PCI Express Port number: 0 0x00100: RCTL (Receive control register) 0x04048002 Receiver: enabled Store bad packets: disabled Unicast promiscuous: disabled Multicast promiscuous: disabled Long packet: disabled Descriptor minimum threshold size: 1/2 Broadcast accept mode: accept VLAN filter: enabled Canonical form indicator: disabled Discard pause frames: filtered Pass MAC control frames: don't pass Receive buffer size: 2048 0x02808: RDLEN (Receive desc length) 0x00001000 0x02810: RDH (Receive desc head) 0x00000001 0x02818: RDT (Receive desc tail) 0x000000F0 0x02820: RDTR (Receive delay timer) 0x00000000 0x00400: TCTL (Transmit ctrl register) 0x3103F0FA Transmitter: enabled Pad short packets: enabled Software XOFF Transmission: disabled Re-transmit on late collision: enabled 0x03808: TDLEN (Transmit desc length) 0x00001000 0x03810: TDH (Transmit desc head) 0x00000000 0x03818: TDT (Transmit desc tail) 0x00000000 0x03820: TIDV (Transmit delay timer) 0x00000008 PHY type: IGP2 and ethtool -c eth0 Coalesce parameters for eth0: Adaptive RX: off TX: off stats-block-usecs: 0 sample-interval: 0 pkt-rate-low: 0 pkt-rate-high: 0 rx-usecs: 3 rx-frames: 0 rx-usecs-irq: 0 rx-frames-irq: 0 tx-usecs: 0 tx-frames: 0 tx-usecs-irq: 0 tx-frames-irq: 0 rx-usecs-low: 0 rx-frame-low: 0 tx-usecs-low: 0 tx-frame-low: 0 rx-usecs-high: 0 rx-frame-high: 0 tx-usecs-high: 0 tx-frame-high: 0 Here is also the lspci -vvv for this controller 02:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet Controller Subsystem: Lenovo ThinkPad X60s Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 45 Region 0: Memory at ee000000 (32-bit, non-prefetchable) [size=128K] Region 2: I/O ports at 2000 [size=32] Capabilities: [c8] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME- Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ Address: 00000000fee0300c Data: 415a Capabilities: [e0] Express (v1) Endpoint, MSI 00 DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us ExtTag- AttnBtn- AttnInd- PwrInd- RBE- FLReset- DevCtl: Report errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <128ns, L1 <64us ClockPM+ Surprise- LLActRep- BwNot- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+ ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- Capabilities: [100 v1] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr- AERCap: First Error Pointer: 14, GenCap- CGenEn- ChkCap- ChkEn- Capabilities: [140 v1] Device Serial Number 00-0a-e4-ff-ff-3e-ce-74 Kernel driver in use: e1000e Kernel modules: e1000e I filed a bug on this upstream, still no idea how to get more useful information. Here is a the result of the running that script EEPROM FIX UPDATE $ sudo bash fixeep-82573-dspd.sh eth0 eth0: is a "82573L Gigabit Ethernet Controller" This fixup is applicable to your hardware Your eeprom is up to date, no changes were made Do I still need to do anything? Also here is my EEPROM dump $ sudo ethtool -e eth0 Offset Values ------ ------ 0x0000 00 0a e4 3e ce 74 30 0b b2 ff 51 00 ff ff ff ff 0x0010 53 00 03 02 6b 02 7e 20 aa 17 9a 10 86 80 df 80 0x0020 00 00 00 20 54 7e 00 00 14 00 da 00 04 00 00 27 0x0030 c9 6c 50 31 3e 07 0b 04 8b 29 00 00 00 f0 02 0f 0x0040 08 10 00 00 04 0f ff 7f 01 4d ff ff ff ff ff ff 0x0050 14 00 1d 00 14 00 1d 00 af aa 1e 00 00 00 1d 00 0x0060 00 01 00 40 1f 12 07 40 ff ff ff ff ff ff ff ff 0x0070 ff ff ff ff ff ff ff ff ff ff ff ff ff ff 4a e0 I'd also like to note that I used eth0 every day for years and until recently never had an issue.

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• Write-only collections in MongoDB

  - by rcoder

  I'm currently using MongoDB to record application logs, and while I'm quite happy with both the performance and with being able to dump arbitrary structured data into log records, I'm troubled by the mutability of log records once stored. In a traditional database, I would structure the grants for my log tables such that the application user had INSERT and SELECT privileges, but not UPDATE or DELETE. Similarly, in CouchDB, I could write a update validator function that rejected all attempts to modify an existing document. However, I've been unable to find a way to restrict operations on a MongoDB database or collection beyond the three access levels (no access, read-only, "god mode") documented in the security topic on the MongoDB wiki. Has anyone else deployed MongoDB as a document store in a setting where immutability (or at least change tracking) for documents was a requirement? What tricks or techniques did you use to ensure that poorly-written or malicious application code could not modify or destroy existing log records? Do I need to wrap my MongoDB logging in a service layer that enforces the write-only policy, or can I use some combination of configuration, query hacking, and replication to ensure a consistent, audit-able record is maintained?

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• AccessViolationException, attempted to read or write protected memory

  - by Malfist

  I'm using a dll that contains unsafe code for interacting with specific hardware, and I'm trying to use it from C#, but I keep getting an AccessViolationException. What's causing it, and how can I fix it? namespace FingerPrint { public unsafe partial class Form1 : Form { [DllImport("MyDll.dll")] public static extern int DoesExist(); public unsafe Form1() { InitializeComponent(); MessageBox.Show(DoesExist() + ""); } } }

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• OAuth with Google Reader API using Objective C

  - by Dylan

  I'm using the gdata OAuth controllers to get an OAuth token and then signing my requests as instructed. [auth authorizeRequest:myNSURLMutableRequest] It works great for GET requests but POSTs are failing with 401 errors. I knew I wouldn't be able to remain blissfully ignorant of the OAuth magic. The Google Reader API requires parameters in the POST body. OAuth requires those parameters to be encoded in the signature like they were on the query string. It doesn't appear the gdata library does this. I tried hacking it in the same way it handles the query string but no luck. This is so difficult to debug as all I get is a 401 from the Google black box and I'm left to guess. I really want to use OAuth so I don't have to collect login credentials from my users but I'm about to scrap it and go with the simpler cookie based authentication that is more mature. It's possible I'm completely wrong about the reason it's failing. This is my best guess. Any suggestions for getting gdata to work or maybe an alternative iphone friendly OAuth library?

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• How to add dynamic profile fields in Invision Power Board?

  - by user361908

  I run a game server and want to link the persons in game character name and stats to Invision Power Board. I've setup IPB so players currently login with their in game login. That means their username on the forum is the same as their username for the game. They can have multiple characters on 1 account so ideally I'd like to allow them to choose a main character and display an actual image of that character and allow them to display other characters if they are online. Currently I'm doing something like this by hacking profileFields.php but it's messy and not very efficient on the user or server end. My code currently uses 2 custom fields which the player can enter their character names in. To display only their main character they enter the name in the first field. To also display other characters if they are online they enter the same name into the second field. To resolve the IDs I have to run a lot of queries. I know PHP but I am not familiar with IPBs code at all. I just need pointed in a direction where I can combine the 2 fields into 1 field. tl;dr: Here is my setup: Invision Power Board 3 Data is stored in MySQL on the same server the forum is hosted on. Usernames on the forum are identical to usernames in the game Here is a breakdown of what I'd like to do: In the edit profile section I need to resolve the forum username to the games account id then: Display a list of characters and allow them to choose which characters they want to display if they are online as well as a default character that will be displayed if none are online. In the posts user info pane: Display the online character or the default if none are online. Here is what I need to know: How to generate a list of characters in the profile edit form and allow selection (checkbox) of each character to display as well as the selection of a default character (radio or dropdown?) How to fetch the data and place it in the posts user info pane

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• BSOD Before Windows Will Loads - Graphics Related

  - by Brian

  Alright deep breath here: (Windows 7 Home Premium 64 bit btw) Today I installed Star Craft 2 Beta. After trying to log in, it had some issues where it said my device stopped working (referring to my video device I have to imagine). After I force quit the game there were some random "hot" (various colors if i remember correctly) pixels on the screen. I decided to reboot and try again with similar results. I figured that maybe my display drivers could stand to be updated (I don't frequently update them as I don't often run into problems). I went out to nVidia's website and grabbed the latest drivers for Windows 7 64 bit GeForce 9 series. (I have SLi-ed 9800 GTs). Everything seemed to install fine and I performed the restart. This is when things went from bad (can't play SC2 beta ;) ) to worse (can't boot into windows!). Initially the very first splash screen - I think it's the bios splash screen - had lines of colored pixels covering it. It then displayed a screen that had lots of "(" on it. After that it showed the normal windows 7 splash screen as if it were going to load into Windows. Before getting much further, it BSODed on me. It was a 0x0000003B stop error. At nvlddmkm.sys. A little digging let verified that this was a problem with an nVidia graphics device, not a real shocker. Windows decided it would try to help me diagnose the problem, which it's only answer to was a System Restore, which did nothing to alleviate the problem. I was able to boot up fine in safe mode and was not able to roll back the driver, however I did uninstall the driver and reboot. I still had the graphical anomalies during the first two screens (same colored "."'s and weird "("'s), but there was NOT a stop error. Windows loaded up, found a default driver for the device and installed it and I restarted to let it load - and had yet another BSOD Stop error. Repeat driver uninstall, this time I reloaded the same version (I think it's possible that I was running a 32 bit version or a vista versus windows 7 version, but I don't have that information handy) of the nVidia driver from their website. Restart, same anomalies, same Stop Error. I am at a loss - At this point all I can think is that the firmware for the Video cards got fried or there's actual damage to the cards which I sincerely hope is not the case but the sooner I know the better. Any insight into what I might be able to do to troubleshoot/fix this problem would be most helpful. Attached below is a dump from DxDiag. Please let me know if there is more info that I could provide. ------------------ System Information ------------------ Time of this report: 3/18/2010, 23:22:48 Machine name: BRIAN-PC Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255) Language: English (Regional Setting: English) System Manufacturer: Dell Inc System Model: XPS 630i BIOS: Phoenix - AwardBIOS v6.00PG Processor: Intel(R) Core(TM)2 Quad CPU Q8200 @ 2.33GHz (4 CPUs), ~2.3GHz Memory: 8192MB RAM Available OS Memory: 8190MB RAM Page File: 1855MB used, 14521MB available Windows Dir: C:\Windows DirectX Version: DirectX 11 DX Setup Parameters: Not found User DPI Setting: Using System DPI System DPI Setting: 96 DPI (100 percent) DWM DPI Scaling: Disabled DxDiag Version: 6.01.7600.16385 32bit Unicode DxDiag Previously: Crashed in DirectShow (stage 1). Re-running DxDiag with "dontskip" command line parameter or choosing not to bypass information gathering when prompted might result in DxDiag successfully obtaining this information ------------ DxDiag Notes ------------ Display Tab 1: No problems found. Sound Tab 1: No problems found. Sound Tab 2: No problems found. Sound Tab 3: No problems found. Input Tab: No problems found. -------------------- DirectX Debug Levels -------------------- Direct3D: 0/4 (retail) DirectDraw: 0/4 (retail) DirectInput: 0/5 (retail) DirectMusic: 0/5 (retail) DirectPlay: 0/9 (retail) DirectSound: 0/5 (retail) DirectShow: 0/6 (retail) --------------- Display Devices --------------- Card name: Manufacturer: Chip type: DAC type: Device Key: Enum\ Display Memory: n/a Dedicated Memory: n/a Shared Memory: n/a Current Mode: 1600 x 1200 (32 bit) (1Hz) Driver Name: Driver File Version: () Driver Version: DDI Version: unknown Driver Model: unknown Driver Attributes: Final Retail Driver Date/Size: , 0 bytes WHQL Logo'd: n/a WHQL Date Stamp: n/a Device Identifier: {D7B70EE0-4340-11CF-B123-B03DAEC2CB35} Vendor ID: 0x0000 Device ID: 0x0000 SubSys ID: 0x00000000 Revision ID: 0x0000 Driver Strong Name: Unknown Rank Of Driver: Unknown Video Accel: Deinterlace Caps: n/a D3D9 Overlay: n/a DXVA-HD: n/a DDraw Status: Not Available D3D Status: Not Available AGP Status: Not Available ------------- Sound Devices ------------- Description: Speakers (Realtek High Definition Audio) Default Sound Playback: Yes Default Voice Playback: Yes Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No Description: Realtek Digital Output (Realtek High Definition Audio) Default Sound Playback: No Default Voice Playback: No Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No Description: Realtek HDMI Output (Realtek High Definition Audio) Default Sound Playback: No Default Voice Playback: No Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No --------------------- Sound Capture Devices --------------------- Description: Microphone (Realtek High Definition Audio) Default Sound Capture: Yes Default Voice Capture: Yes Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail Date and Size: 8/18/2008 04:05:28, 1485592 bytes Cap Flags: 0x0 Format Flags: 0x0 Description: Realtek Digital Input (Realtek High Definition Audio) Default Sound Capture: No Default Voice Capture: No Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail Date and Size: 8/18/2008 04:05:28, 1485592 bytes Cap Flags: 0x0 Format Flags: 0x0 ------------------- DirectInput Devices ------------------- Device Name: Mouse Attached: 1 Controller ID: n/a Vendor/Product ID: n/a FF Driver: n/a Device Name: Keyboard Attached: 1 Controller ID: n/a Vendor/Product ID: n/a FF Driver: n/a Device Name: ESA FW Update Attached: 1 Controller ID: 0x0 Vendor/Product ID: 0x0955, 0x000A FF Driver: n/a Poll w/ Interrupt: No ----------- USB Devices ----------- + USB Root Hub | Vendor/Product ID: 0x10DE, 0x026D | Matching Device ID: usb\root_hub | Service: usbhub | +-+ USB Input Device | | Vendor/Product ID: 0x0955, 0x000A | | Location: Port_#0002.Hub_#0001 | | Matching Device ID: generic_hid_device | | Service: HidUsb | | | +-+ HID-compliant device | | | Vendor/Product ID: 0x0955, 0x000A | | | Matching Device ID: hid_device | | +-+ USB Input Device | | Vendor/Product ID: 0x046D, 0xC01E | | Location: Port_#0003.Hub_#0001 | | Matching Device ID: generic_hid_device | | Service: HidUsb | | | +-+ HID-compliant mouse | | | Vendor/Product ID: 0x046D, 0xC01E | | | Matching Device ID: hid_device_system_mouse | | | Service: mouhid ---------------- Gameport Devices ---------------- ------------ PS/2 Devices ------------ + Standard PS/2 Keyboard | Matching Device ID: *pnp0303 | Service: i8042prt | + Terminal Server Keyboard Driver | Matching Device ID: root\rdp_kbd | Upper Filters: kbdclass | Service: TermDD | + Terminal Server Mouse Driver | Matching Device ID: root\rdp_mou | Upper Filters: mouclass | Service: TermDD ------------------------ Disk & DVD/CD-ROM Drives ------------------------ Drive: C: Free Space: 324.3 GB Total Space: 608.4 GB File System: NTFS Model: WDC WD64 00AAKS-75A7B SCSI Disk Device Drive: D: Free Space: 1.0 GB Total Space: 2.0 GB File System: NTFS Model: WDC WD64 00AAKS-75A7B SCSI Disk Device Drive: E: Model: TSSTcorp DVD+-RW TS-H653F SCSI CdRom Device Driver: c:\windows\system32\drivers\cdrom.sys, 6.01.7600.16385 (English), , 0 bytes -------------- System Devices -------------- Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_03B7&SUBSYS_000010DE&REV_A1\3&2411E6FE&1&18 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AF&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0A Driver: n/a Name: PCI standard host CPU bridge Device ID: PCI\VEN_10DE&DEV_03A3&SUBSYS_02491028&REV_A2\3&2411E6FE&1&00 Driver: n/a Name: NVIDIA nForce Serial ATA Controller Device ID: PCI\VEN_10DE&DEV_0267&SUBSYS_02491028&REV_A1\3&2411E6FE&1&78 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B6&SUBSYS_02491028&REV_A1\3&2411E6FE&1&10 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AE&SUBSYS_02491028&REV_A1\3&2411E6FE&1&09 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_0272&SUBSYS_02491028&REV_A3\3&2411E6FE&1&52 Driver: n/a Name: NVIDIA nForce Serial ATA Controller Device ID: PCI\VEN_10DE&DEV_0266&SUBSYS_02491028&REV_A1\3&2411E6FE&1&70 Driver: n/a Name: LSI 1394 OHCI Compliant Host Controller Device ID: PCI\VEN_11C1&DEV_5811&SUBSYS_02491028&REV_70\4&14591D7E&0&2880 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B5&SUBSYS_02491028&REV_A1\3&2411E6FE&1&06 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AD&SUBSYS_02491028&REV_A1\3&2411E6FE&1&08 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_0270&SUBSYS_02491028&REV_A2\3&2411E6FE&1&48 Driver: n/a Name: Standard Dual Channel PCI IDE Controller Device ID: PCI\VEN_10DE&DEV_0265&SUBSYS_02491028&REV_A1\3&2411E6FE&1&68 Driver: n/a Name: NVIDIA GeForce 9800 GT Device ID: PCI\VEN_10DE&DEV_0605&SUBSYS_062D10DE&REV_A2\4&4BABE2A&0&0028 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B4&SUBSYS_02491028&REV_A1\3&2411E6FE&1&07 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AC&SUBSYS_02491028&REV_A1\3&2411E6FE&1&01 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_026F&SUBSYS_CB8410DE&REV_A2\3&2411E6FE&1&80 Driver: n/a Name: NVIDIA nForce PCI System Management Device ID: PCI\VEN_10DE&DEV_0264&SUBSYS_02491028&REV_A3\3&2411E6FE&1&51 Driver: n/a Name: NVIDIA GeForce 9800 GT Device ID: PCI\VEN_10DE&DEV_0605&SUBSYS_062D10DE&REV_A2\4&10BD3C89&0&0018 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B3&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0E Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AB&SUBSYS_02491028&REV_A1\3&2411E6FE&1&04 Driver: n/a Name: Standard Enhanced PCI to USB Host Controller Device ID: PCI\VEN_10DE&DEV_026E&SUBSYS_02491028&REV_A3\3&2411E6FE&1&59 Driver: n/a Name: PCI standard ISA bridge Device ID: PCI\VEN_10DE&DEV_0260&SUBSYS_02491028&REV_A3\3&2411E6FE&1&50 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03BC&SUBSYS_02491028&REV_A1\3&2411E6FE&1&11 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B2&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0D Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AA&SUBSYS_02491028&REV_A1\3&2411E6FE&1&02 Driver: n/a Name: Standard OpenHCD USB Host Controller Device ID: PCI\VEN_10DE&DEV_026D&SUBSYS_02491028&REV_A3\3&2411E6FE&1&58 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03BA&SUBSYS_02491028&REV_A1\3&2411E6FE&1&12 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B1&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0C Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03A9&SUBSYS_02491028&REV_A1\3&2411E6FE&1&03 Driver: n/a Name: High Definition Audio Controller Device ID: PCI\VEN_10DE&DEV_026C&SUBSYS_02491028&REV_A2\3&2411E6FE&1&81 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_03B8&SUBSYS_000010DE&REV_A1\3&2411E6FE&1&28 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B0&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0B Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03A8&SUBSYS_02491028&REV_A2\3&2411E6FE&1&05 Driver: n/a Name: NVIDIA nForce Networking Controller Device ID: PCI\VEN_10DE&DEV_0269&SUBSYS_02491028&REV_A3\3&2411E6FE&1&A0 Driver: n/a --------------- EVR Power Information --------------- Current Setting: {5C67A112-A4C9-483F-B4A7-1D473BECAFDC} (Quality) Quality Flags: 2576 Enabled: Force throttling Allow half deinterlace Allow scaling Decode Power Usage: 100 Balanced Flags: 1424 Enabled: Force throttling Allow batching Force half deinterlace Force scaling Decode Power Usage: 50 PowerFlags: 1424 Enabled: Force throttling Allow batching Force half deinterlace Force scaling Decode Power Usage: 0

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• Creating ViewResults outside of Controllers in ASP.NET MVC

  - by Craig Walker

  Several of my controller actions have a standard set of failure-handling behavior. In general, I want to: Load an object based on the Route Data (IDs and the like) If the Route Data does not point to a valid object (ex: through URL hacking) then inform the user of the problem and return an HTTP 404 Not Found Validate that the current user has the proper permissions on the object If the user doesn't have permission, inform the user of the problem and return an HTTP 403 Forbidden If the above is successful, then do something with that object that's action-specific (ie: render it in a view). These steps are so standardized that I want to have reusable code to implement the behavior. My current plan of attack was to have a helper method to do something like this: public static ActionResult HandleMyObject(this Controller controller, Func<MyObject,ActionResult> onSuccess) { var myObject = MyObject.LoadFrom(controller.RouteData). if ( myObject == null ) return NotFound(controller); if ( myObject.IsNotAllowed(controller.User)) return NotAllowed(controller); return onSuccess(myObject); } # NotAllowed() is pretty much the same as this public static NotFound(Controller controller){ controller.HttpContext.Response.StatusCode = 404 # NotFound.aspx is a shared view. ViewResult result = controller.View("NotFound"); return result; } The problem here is that Controller.View() is a protected method and so is not accessible from a helper. I've looked at creating a new ViewResult instance explicitly, but there's enough properties to set that I'm wary about doing so without knowing the pitfalls first. What's the best way to create a ViewResult from outside a particular Controller?

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• Yesterday's broken codebase hunt me back

  - by sandun dhammika

  I need a fun oky. I just love this openmoko hardware and hacking into it. Please could somebody help me to compile qemu.I 'm so sad and I want to compile qemu and it required the GCC3.x and then I downloaded gcc 3.2 but when I configure it and build it, it gives a very sad error message. G_FOR_TARGET=" "SHELL=/bin/sh" "EXPECT=expect" "RUNTEST=runtest" "RUNTESTFLAGS=" "exec_prefix=/gcc-3.2" "infodir=/gcc-3.2/info" "libdir=/gcc-3.2/lib" "prefix=/gcc-3.2" "tooldir=/gcc-3.2/i686-pc-linux-gnu" "AR=ar" "AS=as" "CC=gcc" "CXX=c++" "LD=ld" "LIBCFLAGS=-g -O2" "NM=nm" "PICFLAG=" "RANLIB=ranlib" "DESTDIR=" DO=all multi-do make[1]: Leaving directory `/gcc-3.2/gcc-3.2/zlib' make[1]: Entering directory `/gcc-3.2/gcc-3.2/fastjar' make[1]: Leaving directory `/gcc-3.2/gcc-3.2/fastjar' make[1]: Entering directory `/gcc-3.2/gcc-3.2/gcc' gcc -c -DIN_GCC -g -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -I. -I. -I./. -I./config -I./../include ./read-rtl.c -o read-rtl.o In file included from ./read-rtl.c:24:0: ./rtl.h:125:3: warning: type of bit-field ‘code’ is a GCC extension ./rtl.h:128:3: warning: type of bit-field ‘mode’ is a GCC extension ./read-rtl.c: In function ‘fatal_with_file_and_line’: ./read-rtl.c:61:1: warning: traditional C rejects ISO C style function definitions ./read-rtl.c: In function ‘read_rtx’: ./read-rtl.c:662:8: error: lvalue required as increment operand make[1]: *** [read-rtl.o] Error 1 make[1]: Leaving directory `/gcc-3.2/gcc-3.2/gcc' make: *** [all-gcc] Error 2 This is so sad and this is sooo bad. I have searched patches and workaround all over the Internet to this,but I couldn't find any alternative for this. I'm out of my patience now. I want that virtual machine ready and I want to make a debug host cos I don't have some money to buy original neo 1937 hardware. The patch that I have found comes with a nasty error too. I'm so sick of it.Any idea how could I fix this problem and make this work? Please please I'm begging you somebody help me please. Thanks all.

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