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Message boards : Generalized Cullen/Woodall prime search : GCW-LLR tasks are all inconclusive and/or invalid

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Per
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Joined: 22 Apr 17
Posts: 10
ID: 855954
Credit: 220,839,801
RAC: 8,400
Discovered 5 mega primes321 LLR Amethyst: Earned 1,000,000 credits (1,019,458)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,022,349)PPS LLR Sapphire: Earned 20,000,000 credits (29,304,667)SGS LLR Silver: Earned 100,000 credits (384,846)TRP LLR Silver: Earned 100,000 credits (115,680)321 Sieve (suspended) Bronze: Earned 10,000 credits (34,154)Generalized Cullen/Woodall Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,417,219)PPS Sieve Amethyst: Earned 1,000,000 credits (1,685,845)TRP Sieve (suspended) Silver: Earned 100,000 credits (403,677)AP 26/27 Amethyst: Earned 1,000,000 credits (1,083,524)GFN Double Bronze: Earned 100,000,000 credits (183,232,382)WW (retired) Silver: Earned 100,000 credits (136,000)
Message 109027 - Posted: 22 Jul 2017 | 8:03:18 UTC

Hello all - having trouble with GCW-LLR - some of my PCs are doing fine
but my http://www.primegrid.com/show_host_detail.php?hostid=874862
is only producing invalid or inconclusive tasks - I have removed all overclocks
and am closely monitoring thermals - no trouble there that I can see.

PC is 6950X on Asus Rampage V10 with 1080 GPUs (874862), passes memtest, Intel CPU checker, all BIOS and drivers up to date.

What should I try?

Per

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Volunteer tester
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Joined: 16 Feb 10
Posts: 1172
ID: 55391
Credit: 1,212,712,784
RAC: 1,241,915
Discovered 2 mega primesFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2022 Tour de PrimesFound 1 prime in the 2023 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (12,025,988)Cullen LLR Ruby: Earned 2,000,000 credits (3,619,286)ESP LLR Ruby: Earned 2,000,000 credits (3,433,680)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,443,837)PPS LLR Emerald: Earned 50,000,000 credits (51,578,380)PSP LLR Turquoise: Earned 5,000,000 credits (7,464,143)SoB LLR Emerald: Earned 50,000,000 credits (51,531,274)SR5 LLR Turquoise: Earned 5,000,000 credits (7,459,747)SGS LLR Turquoise: Earned 5,000,000 credits (6,354,474)TRP LLR Turquoise: Earned 5,000,000 credits (7,584,042)Woodall LLR Amethyst: Earned 1,000,000 credits (1,780,886)321 Sieve (suspended) Emerald: Earned 50,000,000 credits (50,256,050)Cullen/Woodall Sieve Emerald: Earned 50,000,000 credits (99,848,649)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,009,610)PPS Sieve Double Gold: Earned 500,000,000 credits (511,890,342)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (10,165,888)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,071,454)AP 26/27 Double Bronze: Earned 100,000,000 credits (103,478,322)GFN Emerald: Earned 50,000,000 credits (88,954,425)WW (retired) Sapphire: Earned 20,000,000 credits (20,000,000)PSA Double Bronze: Earned 100,000,000 credits (102,762,384)
Message 109028 - Posted: 22 Jul 2017 | 9:24:42 UTC - in response to Message 109027.

I was having CPU task computation errors when I fully loaded the CPU with LLR until I boosted the CPU fan to 100% in the BIOS. Try that

Profile Michael GoetzProject donor
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Joined: 21 Jan 10
Posts: 14037
ID: 53948
Credit: 477,979,901
RAC: 339,285
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 2 mega primesFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 2 primes in the 2021 Tour de PrimesFound 2 primes in the 2022 Tour de PrimesFound 1 mega prime in the 2022 Tour de PrimesFound 1 prime in the 2022 Tour de Primes Mountain StageFound 1 prime in the 2023 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (6,949,793)Cullen LLR Turquoise: Earned 5,000,000 credits (5,513,946)ESP LLR Turquoise: Earned 5,000,000 credits (7,150,009)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (5,094,541)PPS LLR Sapphire: Earned 20,000,000 credits (24,049,916)PSP LLR Jade: Earned 10,000,000 credits (11,203,327)SoB LLR Sapphire: Earned 20,000,000 credits (36,601,737)SR5 LLR Sapphire: Earned 20,000,000 credits (22,821,256)SGS LLR Turquoise: Earned 5,000,000 credits (6,410,856)TRP LLR Turquoise: Earned 5,000,000 credits (6,308,522)Woodall LLR Turquoise: Earned 5,000,000 credits (6,390,624)321 Sieve (suspended) Jade: Earned 10,000,000 credits (10,061,196)Cullen/Woodall Sieve Emerald: Earned 50,000,000 credits (51,764,198)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (22,888,492)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 Sapphire: Earned 20,000,000 credits (24,240,502)GFN Double Bronze: Earned 100,000,000 credits (120,616,519)WW (retired) Emerald: Earned 50,000,000 credits (88,580,000)PSA Jade: Earned 10,000,000 credits (13,196,884)
Message 109029 - Posted: 22 Jul 2017 | 9:25:01 UTC

The GPU is good, but you're getting errors on all the GCWs and some of the SGSs. You've already done the obvious troubleshooting steps.

Clearly there's *something* wrong with the hardware. If this is a new computer, and you bought the computer already assembled, I'd think about returning it. If you built the computer, it's time to start reseating components. It's possible there's a bad connection or a dirty contact somewhere. When you have the parts out, look carefully at the connectors. There may be a bent pin in there somewhere.

If reseating components doesn't work, it's time to start swapping components if you're comfortable with that. While you might not have a spare CPU and motherboard sitting in the parts bin, it's possible that the power supply is bad. Swap in another power supply if you have one that's suitable. Even though there's no indication it's at fault, swap out the GPU for another. If possible, remove memory sticks one by one and see if the problem goes away with a specific memory stick.


____________
My lucky number is 75898524288+1

Per
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Joined: 22 Apr 17
Posts: 10
ID: 855954
Credit: 220,839,801
RAC: 8,400
Discovered 5 mega primes321 LLR Amethyst: Earned 1,000,000 credits (1,019,458)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,022,349)PPS LLR Sapphire: Earned 20,000,000 credits (29,304,667)SGS LLR Silver: Earned 100,000 credits (384,846)TRP LLR Silver: Earned 100,000 credits (115,680)321 Sieve (suspended) Bronze: Earned 10,000 credits (34,154)Generalized Cullen/Woodall Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,417,219)PPS Sieve Amethyst: Earned 1,000,000 credits (1,685,845)TRP Sieve (suspended) Silver: Earned 100,000 credits (403,677)AP 26/27 Amethyst: Earned 1,000,000 credits (1,083,524)GFN Double Bronze: Earned 100,000,000 credits (183,232,382)WW (retired) Silver: Earned 100,000 credits (136,000)
Message 109038 - Posted: 22 Jul 2017 | 21:52:58 UTC - in response to Message 109029.

Thanks to all for advice - I don't have a spare MB or CPU but will start with reseating RAM, then on to "1 stick at a time" troubleshooting. I will run a longer memtest first though...

Thermal seems OK - cores at 50-60C, MB at 36C.

Per

Per
Send message
Joined: 22 Apr 17
Posts: 10
ID: 855954
Credit: 220,839,801
RAC: 8,400
Discovered 5 mega primes321 LLR Amethyst: Earned 1,000,000 credits (1,019,458)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,022,349)PPS LLR Sapphire: Earned 20,000,000 credits (29,304,667)SGS LLR Silver: Earned 100,000 credits (384,846)TRP LLR Silver: Earned 100,000 credits (115,680)321 Sieve (suspended) Bronze: Earned 10,000 credits (34,154)Generalized Cullen/Woodall Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,417,219)PPS Sieve Amethyst: Earned 1,000,000 credits (1,685,845)TRP Sieve (suspended) Silver: Earned 100,000 credits (403,677)AP 26/27 Amethyst: Earned 1,000,000 credits (1,083,524)GFN Double Bronze: Earned 100,000,000 credits (183,232,382)WW (retired) Silver: Earned 100,000 credits (136,000)
Message 109047 - Posted: 23 Jul 2017 | 20:36:34 UTC - in response to Message 109038.

So, running for a day with CPU OC removed - now getting valid results

Go figure - I will let run for a couple of days and try testing some other things.

Thanks for the help.

Per

Message boards : Generalized Cullen/Woodall prime search : GCW-LLR tasks are all inconclusive and/or invalid

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