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Message boards : Number crunching : Nvidia 295.xx drivers do not work well with CUDA

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Profile Michael GoetzProject donor
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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,063,182)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (2,001,789)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,135,461)PPS LLR Ruby: Earned 2,000,000 credits (2,768,012)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (32,736,611)SR5 LLR Turquoise: Earned 5,000,000 credits (8,071,207)SGS LLR Ruby: Earned 2,000,000 credits (2,011,264)TRP LLR Ruby: Earned 2,000,000 credits (2,433,520)Woodall LLR Ruby: Earned 2,000,000 credits (2,176,414)321 Sieve Ruby: Earned 2,000,000 credits (3,461,021)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Turquoise: Earned 5,000,000 credits (7,090,096)GFN Emerald: Earned 50,000,000 credits (63,788,779)PSA Jade: Earned 10,000,000 credits (10,128,542)
Message 50218 - Posted: 22 Feb 2012 | 22:36:54 UTC

It has come to my attention that there appears to be a flaw in many, if not all, versions of Nvidia's 295.XX drivers.

If your monitor is put to sleep by the computer, the GPU is no longer available as a CUDA device.

This will cause an immediate failure of any CUDA WUs. This includes GFN/Genefer, PPS Sieve, GCW Sieve, and llrCUDA.

Either roll back to an earlier driver version, or configure your computer to never power down the monitor(s).
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Please do not PM me with support questions. Ask on the forums instead. Thank you!

My lucky number is 75898524288+1

Profile OdicinProject donor
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Message 50251 - Posted: 23 Feb 2012 | 7:06:08 UTC

http://www.primegrid.com/forum_thread.php?id=4095

Unfortunately this behaviour also strikes all cuda projects, not only here at PG.

Regards Odi
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Message boards : Number crunching : Nvidia 295.xx drivers do not work well with CUDA

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