Folding Forum

Nvidia is looking into the issue:

https://forums.geforce.com/default/topi ... 6/#3887136

Looks like the next WHQL driver may fix it -- from here:

ManuelG wrote:Some outstanding bugs still open in next BETA driver [326.41] (but will be in WHQL driver):
[..] GPU TDRs after 36 hours of idle - Investigating however we believe we may understand the cause

Thanks for the update - look forward to the fix!!

If you'd rather not wait for NV to fix this "soon?" Here is a link how to modify the v314.xx drivers to support any newer GPU model, and this is reported and confirmed to not have the 36 hour TDR/crash/BSOD problem.

I downloaded the 314.22 drivers and let it try to install and fail (no supported hardware, of course). Then I opened the nv_disp.inf file for both versions (320 and 314). Then I copied all the lines with my hardware type (GTX 760, PCI ID 1187) from the newer version to the older version of the .inf file. In the link above, it explains you really only need the one line of code, but I wanted to be thorough (avoid a dumb mistake). Saved the .inf file.

Driver setup for 314 worked like a champ. I am running this driver for my 760. We'll see if that helps with the rebooting problem on this system.

Whoa! Not so champ. I read this works for some people, but also where some 7xx users rebooted after the driver mod, and the system came up to the Windows login screen, then went to a black screen. So I rebooted, and that's what happened to me as well. To fix, I booted in to safe mode, removed the 314 drivers, rebooted to normal mode, and reinstalled the 320 drivers. Oh well.

7im - thanks for the advice. If I get chance, I might try it this weekend on one of the machines.

Maybe if I followed the linked guide to the letter, and only updated as defined it might work better. IDK.

A scheduled task to reboot the computer once a day seems to work just as well for some people. I just didn't want to lose 2 minutes of folding every morning.

7im wrote:Maybe if I followed the linked guide to the letter, and only updated as defined it might work better. IDK.

A scheduled task to reboot the computer once a day seems to work just as well for some people. I just didn't want to lose 2 minutes of folding every morning.

Two minutes per day is a lot cheaper than a hung WU that you don't happen to notice for a while.

DocJonz wrote:7im - thanks for the advice. If I get chance, I might try it this weekend on one of the machines.

Make sure you have a good restore point. Just in case.

I was able to get 314.22 working in Windows 7 on my 780 without the reboot problem. Removed the current drivers via Control Panel, rebooted, ran the setup for 314.22 (custom install just the drivers and checked the clean install box) with the revised .inf file and all worked fine with one exception. The PPD using these older drivers was roughly 10% lower versus running with the latest drivers from xorg edgers in Linux. The reboot seemed like it was worth the small delay so I'm back to Ubuntu 13.04.

I created a small script file to pause folding 1 minute before the scheduled reboot and another script to auto start folding after the reboot:

fah_pause.bat
fah_start.bat (added to Startup Applications with full path /home/username/fah_start.bat in the command line ... I prefer to run fah from a sub-folder of my home so if you choose to try this adjust according to how you start). Obviously if you're running folding as a service this is not needed since the service will start the client automatically after a reboot.
Make both scripts executable:
My system already had xterm installed but if it's absent:
I installed gnome-schedule to create the two crontab entries to run the pause script (/home/username/fah_pause.bat) and the reboot (/sbin/reboot). This could be done via editing your root's crontab but I prefer a GUI.

bollix47 wrote:I've had a similar experience with my gtx 780(no o/c ... temps/power fine). Using the 32x.xx drivers(including the latest beta) every 36-48 hours I'd notice a mild drop in PPD and, if I didn't reboot as soon as I noticed the drop, the computer would eventually freeze up and I had to do a hard reboot(never lost a WU).
What I'm doing now to avoid the problem is to reboot the system daily. End of problems. No slow downs and no freezing. The consensus on the web appears to be that this is driver related and hopefully it will be fixed by Nvidia soon.

I have the same behavior with my GTX 780 on Win7 64bit. I have bypassed the password log-in, and so the machine just reboots itself and things get up and running again on their own. But a pain, nonetheless.

7im wrote:If you'd rather not wait for NV to fix this "soon?" Here is a link how to modify the v314.xx drivers to support any newer GPU model, and this is reported and confirmed to not have the 36 hour TDR/crash/BSOD problem.

Given nVidia's lack of a fix thus far, I've followed the link you posted and modded the 314.22 drivers ... all being well, I'll be back to hassle-free Folding

The fix has been found and will be in the next WHQL driver update.

https://forums.geforce.com/default/topi ... 8/#3889648

Thanks for the update.
(The mods to the 314.22 driver is working well for me ).

DocJonz wrote:Thanks for the update.
(The mods to the 314.22 driver is working well for me ).

Any loss in PPD with the older driver?