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Message boards : Problems and Help : Suddenly "error while computing"

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AT Hiker
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Joined: 14 Aug 12
Posts: 105
ID: 161744
Credit: 261,007,878
RAC: 0
Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (31,368)PPS LLR Ruby: Earned 2,000,000 credits (2,246,230)SR5 LLR Silver: Earned 100,000 credits (235,339)SGS LLR Gold: Earned 500,000 credits (500,635)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (513,917)PPS Sieve Double Bronze: Earned 100,000,000 credits (100,590,640)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,724,311)TRP Sieve (suspended) Gold: Earned 500,000 credits (557,005)AP 26/27 Emerald: Earned 50,000,000 credits (50,040,211)GFN Double Bronze: Earned 100,000,000 credits (104,568,221)
Message 131540 - Posted: 29 Jul 2019 | 14:41:37 UTC

After running PPS Sieve and AP 27 for many wus with rarely ever having an error I switched last night and started running GFN 15, 16 and 17 low.

All 28 wus failed.

My desktop is running Win 7 and has dual GeForce GTX 970 cards.

The only recent change made was an update to driver 26.21.14.3064 on May 5 2019.

Help please.

AT Hiker

dukebg
Volunteer tester
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Joined: 21 Nov 17
Posts: 240
ID: 950482
Credit: 23,670,125
RAC: 0
Found 1 prime in the 2018 Tour de Primes321 LLR Gold: Earned 500,000 credits (506,942)Cullen LLR Gold: Earned 500,000 credits (500,523)ESP LLR Gold: Earned 500,000 credits (655,642)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (539,100)PPS LLR Gold: Earned 500,000 credits (688,232)PSP LLR Gold: Earned 500,000 credits (561,629)SoB LLR Ruby: Earned 2,000,000 credits (3,659,676)SR5 LLR Gold: Earned 500,000 credits (505,810)SGS LLR Gold: Earned 500,000 credits (506,024)TRP LLR Gold: Earned 500,000 credits (963,625)Woodall LLR Gold: Earned 500,000 credits (506,044)321 Sieve (suspended) Gold: Earned 500,000 credits (511,694)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (549,916)PPS Sieve Gold: Earned 500,000 credits (701,168)AP 26/27 Gold: Earned 500,000 credits (525,590)WW Gold: Earned 500,000 credits (500,000)GFN Jade: Earned 10,000,000 credits (10,762,872)PSA Gold: Earned 500,000 credits (525,639)
Message 131542 - Posted: 29 Jul 2019 | 14:46:58 UTC - in response to Message 131540.

After running PPS Sieve and AP 27 for many wus with rarely ever having an error I switched last night and started running GFN 15, 16 and 17 low.

All 28 wus failed.

My desktop is running Win 7 and has dual GeForce GTX 970 cards.

The only recent change made was an update to driver 26.21.14.3064 on May 5 2019.

Help please.

AT Hiker

Most likely you've installed a driver that doesn't have OpenCL libraries. You need a driver that has OpenCL libraries for GFN projects (but not PPS Sieve, it's CUDA).

AT Hiker
Send message
Joined: 14 Aug 12
Posts: 105
ID: 161744
Credit: 261,007,878
RAC: 0
Generalized Cullen/Woodall LLR Bronze: Earned 10,000 credits (31,368)PPS LLR Ruby: Earned 2,000,000 credits (2,246,230)SR5 LLR Silver: Earned 100,000 credits (235,339)SGS LLR Gold: Earned 500,000 credits (500,635)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (513,917)PPS Sieve Double Bronze: Earned 100,000,000 credits (100,590,640)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,724,311)TRP Sieve (suspended) Gold: Earned 500,000 credits (557,005)AP 26/27 Emerald: Earned 50,000,000 credits (50,040,211)GFN Double Bronze: Earned 100,000,000 credits (104,568,221)
Message 131545 - Posted: 29 Jul 2019 | 15:18:15 UTC - in response to Message 131542.

Poking around in the system I found that card 0 was not running at all, so I restarted the system and it now seems stable for GFN 15 on both cards.
Perhaps one card not working caused the other to fail calculations although that is beyond my understanding as to why it would.
I don't OC but took a measured approach and turned down the voltage and clock on card 0. Card 0 being on the top always runs hotter but below the point that it should matter.
If the system continues to run reliably I will attempt a GFN 16 and then GFN 17.

AT Hiker

10esseeTony
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Joined: 15 Mar 15
Posts: 19
ID: 385186
Credit: 404,086,275
RAC: 3,646,180
Found 5 primes in the 2021 Tour de Primes321 LLR Gold: Earned 500,000 credits (914,514)Cullen LLR Ruby: Earned 2,000,000 credits (3,203,318)ESP LLR Ruby: Earned 2,000,000 credits (2,028,304)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (974,405)PPS LLR Turquoise: Earned 5,000,000 credits (6,685,200)PSP LLR Ruby: Earned 2,000,000 credits (2,443,736)SoB LLR Silver: Earned 100,000 credits (212,579)SR5 LLR Ruby: Earned 2,000,000 credits (2,993,289)SGS LLR Amethyst: Earned 1,000,000 credits (1,203,991)TRP LLR Ruby: Earned 2,000,000 credits (2,255,158)Woodall LLR Gold: Earned 500,000 credits (585,199)321 Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,635,337)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,187,826)PPS Sieve Double Silver: Earned 200,000,000 credits (259,540,032)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (249,843)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,521,959)AP 26/27 Jade: Earned 10,000,000 credits (18,646,316)WW Emerald: Earned 50,000,000 credits (51,144,000)GFN Sapphire: Earned 20,000,000 credits (43,157,992)
Message 132504 - Posted: 31 Aug 2019 | 18:49:29 UTC

Glad the reboot fixed your problem AT Hiker.

I had the same problem but on a fresh Linux install, and yep, it was a lack of OpenCL Libraries.

The cure for Linux is: sudo apt install ocl-icd-opencl-dev

Didn't even have to reboot. :)

Message boards : Problems and Help : Suddenly "error while computing"

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