Hi all,

I can't seem to run GPUGrid WUs without my Nvidia driver causing a BSOD within 30 minutes or so. This is with my PC just siting otherwise idle on the desktop. I've checked my temperatures and even tried maxing out all the GPU Fans in Rivatuner, and the GPUs are no running very hot(~60C under load).

Any ideas on what else might be causing this?

My Setup:

Q6600
8GB DDR2
2x GTX 260(SLI)
1x 8800GT
Vista 64 Ultimate
Nvidia Forceware 182.06
Boinc 6.6.20

have you tested the newer 182.50 Nvidia driver?

And is SLI turned OFF?
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I haven't tried disabling SLI yet, is it explicitly not supported?

SLI will officially prevent BOINC from seeing more than one GPU. If you want all of your video card cores to being processing BOINC tasks, SLI must be disabled.

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Ok, I have disabled SLI, but am still having problems:

- I can run CUDA WUs on Seti@home without any issues if GPUGRID is suspended.
- Running GPUGRID (with or without SETI running) causes a Nvidia driver BSOD within 30 minutes or so.

Just a theory, but i assume your power supply unit is upto the job? It maybe that trying to feed 3 GPU's at the same time could be having an inpact? With that type of configuration i would have thought a 800W+ would be needed?

Please install the newest driver from Nvidia, disable the Muli-GPU-Mode and reboot. Now try again. If there are still errors, try only one GC, perhaps one has an error. Maybe is ok for the short Seti WUs, but for GPU Grid...

Just a theory, but i assume your power supply unit is upto the job? It maybe that trying to feed 3 GPU's at the same time could be having an inpact? With that type of configuration i would have thought a 800W+ would be needed?

Alternately, is there any way to limit which GPU(s) GPUGRID can run WUs on?

The PSU is quad rail , and has a pair of dual-headed PCI-E power plugs that I am using for the GTX 260s. I am using a dual 4-pin molex --> PCI-E power adapter for the 8800GT. I'd have to check if anything is on the same rail as the latter adapter.

Yeah I'd definatly say FurMark it's a beast.

I get a BSOD while playing Supreme Commander for some time and having GPUGRID running in the background :-(
I have Win XP 32bit and a GTX 285 with the latest drivers from nvidia!

You should stop GPUGrid before playing games -- you can run into memory issues because the game and GPUGrid are using up all the vidmem. You can do this manually every time or use an option in the cc_config file. Search the forums and you will find it, probably fairly recent.

I am using a dual 4-pin molex --> PCI-E power adapter for the 8800GT.

Im also getting BSOD on my Dual GTX 295's setup. Ive narrowed it down a little myself and it usually (but wont always) happens when i restart a suspended WU.
Im thinking i have a bad second graphics card but its stable for days sometimes or that firing up both 295's at once makes the PSU have a heart attack because of the sudden power draw. Not sure though and testing takes time.
I generally suspend GPUGrid when im playing games and need to use Quad SLI mode. Once im finished the game i disable SLI (if i used it, some games run perfect on one GPU) and un-suspend....then it BSOD's.

arghh had a crash on my vc driver after windows update ...
lost the 9 hours+ unit and it downloaded again after i rebooted and fixed the videocard error :(
grrr why oh why

I wouldn't waste time debugging something with you hardware. You already said it runs seti@home wu fine. My guess is the problem is with the poor code this project seems to be using. Look over at the PS3 forum at all the issues and you get a feel for the quality of this project. I would stick to other projects or even switch to folding@home as their science is much more cutting edge and most importantly with work with no problems on %99 of all setups.

arghh had a crash on my vc driver after windows update ...
lost the 9 hours+ unit and it downloaded again after i rebooted and fixed the videocard error :(
grrr why oh why

I will not speak to the Nvidia client as I don't run it but I can tell you the PS3 side of this project is a horrible mess. Worse DC project I have ever dealt with and I have run dozens. Locking up users machines with very poor code, so they cant run any project without a reboot is not only mickey mouse but downright unethical and against the volunteer nature of BOINC. I just wish I wasn't remote so I could switch it back to folding@home immediately (should have stayed).

I've been crunching GPUGRID almost continuously for 6 weeks or so now, cranking out about 3 work units per day.

Zero errors.
____________
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Gremlins?