If the updates are automatic, that would do it!

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If the updates are automatic, that would do it!

That was on a dedicated PC, and I have automatic updates turned off (it is WinXP after all). I leave it running 24/7, and so don't have to worry if the work unit has some sort of restart problem. But it looks like some of the Gerards do, since the BSOD occurred apparently right after the reboot. I say "apparently", because I don't normally have a monitor connected to it, but manage it over the LAN.

As I recall, it was only after a couple of hours that I noticed no progress, and no LAN connection, and then found the BSOD after connecting a monitor. It looks like bad luck, and probably won't happen again on that machine.

These things occasionally happen, for unknown reasons. You could run for several months without issue, get a blue screen, shut down, start up and not get another blue screen for months... It's good to post any concerns, just in case there is a bad batch, but it's best to wait and see if it was a one off before hitting the panic button and rebuilding your system. I also had a Gerard WU fail 6days ago on an otherwise good GPU and good system.

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I upgraded my Nvidia drivers using xorg-edgers PPA to version 340.46 and now Boinc doesn't recognize my GPU.

I upgraded to Ubuntu 14.04.1 LTS with no change -- no GPU.

I then updated my Boinc-client to the latest version 7.4.23 with no change -- no GPU.

I reboot the system and restarted the boinc-client with no change -- no GPU.

Nvidia-smi shows;
+------------------------------------------------------+
| NVIDIA-SMI 340.46 Driver Version: 340.46 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 650... On | 0000:01:00.0 N/A | N/A |
| 37% 53C P0 N/A / N/A | 7MiB / 1023MiB | N/A Default |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Compute processes: GPU Memory |
| GPU PID Process name Usage |
|=============================================================================|
| 0 Not Supported |
+-----------------------------------------------------------------------------+

Messages from Boinc start-up;

1: 27-Oct-2014 17:46:13 (low) [] Starting BOINC client version 7.4.23 for x86_64-pc-linux-gnu
2: 27-Oct-2014 17:46:13 (low) [] log flags: file_xfer, sched_ops, task, coproc_debug
3: 27-Oct-2014 17:46:13 (low) [] Libraries: libcurl/7.35.0 OpenSSL/1.0.1f zlib/1.2.8 libidn/1.28 librtmp/2.3
4: 27-Oct-2014 17:46:13 (low) [] Data directory: /var/lib/boinc-client
5: 27-Oct-2014 17:46:13 (low) [] [coproc] launching child process at /usr/bin/boinc
6: 27-Oct-2014 17:46:13 (low) [] [coproc] relative to directory /var/lib/boinc-client
7: 27-Oct-2014 17:46:13 (low) [] [coproc] with data directory /var/lib/boinc-client
8: 27-Oct-2014 17:46:13 (low) [] NVIDIA drivers present but no GPUs found
9: 27-Oct-2014 17:46:13 (low) [] No ATI library found
10: 27-Oct-2014 17:46:13 (low) [] clGetPlatformIDs() failed to return any OpenCL platforms
11: 27-Oct-2014 17:46:13 (low) [] No usable GPUs found

Any advise on how to get my cruncher back crunching?
Thanks,
Steve

Maybe it is something with the NVIDIA driver, can you try uninstalling the xorg-edgers driver and install the original NVIDIA driver?

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I upgraded my Nvidia drivers using xorg-edgers PPA to version 340.46 and now Boinc doesn't recognize my GPU.

I upgraded to Ubuntu 14.04.1 LTS with no change -- no GPU.

I then updated my Boinc-client to the latest version 7.4.23 with no change -- no GPU.

I reboot the system and restarted the boinc-client with no change -- no GPU.

This has been discussed elsewhere here. I believe this is a BOINC error that causes this issue and it would be best to uninstall all NVIDIA drivers and download the video driver from NVIDIA and re-install them manually (http://www.gpugrid.net/forum_thread.php?id=3736&nowrap=true#38456)

I am using driver 334.89. NVIDIA tells me this is the latest driver for my two GTX 650Ti GPUs.

Not being particularly tech savvy, I can't do any more. Not sure what effect, if any, this will have on my ability to process after 1 January 2015.

John

John: 344.65 driver is available for you're OS with (650ti) Kelper cards.

http://www.nvidia.com/download/driverResults.aspx/79527/en-us

many thanks: I will try to install that driver.

John: 344.65 driver is available for you're OS with (650ti) Kelper cards.

http://www.nvidia.com/download/driverResults.aspx/79527/en-us

Driver 347.09 installed and I am downloading CUDA 6.5 task.