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Message boards : Seventeen or Bust : SoB WU error

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Profile bruce
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Joined: 4 Aug 09
Posts: 13
ID: 44421
Credit: 292,312,041
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321 LLR Amethyst: Earned 1,000,000 credits (1,253,000)Cullen LLR Amethyst: Earned 1,000,000 credits (1,202,498)ESP LLR Silver: Earned 100,000 credits (387,438)PPS LLR Silver: Earned 100,000 credits (245,099)PSP LLR Ruby: Earned 2,000,000 credits (2,531,900)SoB LLR Silver: Earned 100,000 credits (230,433)SGS LLR Silver: Earned 100,000 credits (154,660)TRP LLR Gold: Earned 500,000 credits (874,173)Woodall LLR Ruby: Earned 2,000,000 credits (3,236,314)321 Sieve (suspended) Silver: Earned 100,000 credits (223,682)Cullen/Woodall Sieve Gold: Earned 500,000 credits (657,988)PPS Sieve Double Silver: Earned 200,000,000 credits (225,783,078)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Bronze: Earned 10,000 credits (55,794)TRP Sieve (suspended) Silver: Earned 100,000 credits (247,177)AP 26/27 Jade: Earned 10,000,000 credits (19,623,024)GFN Sapphire: Earned 20,000,000 credits (35,478,630)PSA Silver: Earned 100,000 credits (127,153)
Message 21209 - Posted: 19 Feb 2010 | 12:43:36 UTC
Last modified: 19 Feb 2010 | 12:44:21 UTC

I know that the SoB project is fairly new in it's current distribution on PG, so I wanted to point this out, just in case.
This particular WU 104554184 seems to be giving some troubles.
8 runs so far consisting of 5 errors, 1 abort, and 2 in progress.

If it had just been me that had this WU error out, I wouldn't be concerned, would have chalked it up as an unfortunate run. But with 4 other hosts having erred on the same WU, indicates a possible pattern.

While I was running this WU, I had a total of 5 SoB WUs running all in parallel. This one erred and the other 4 I'm running have continued to run with no problems to date.

It may be nothing of concern, but because these have such a long run time, I thought I would mention it just in case it needs looking into.

Thanks,
Bruce
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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 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 (6,394,891)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 (23,650,224)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 21213 - Posted: 19 Feb 2010 | 14:13:21 UTC - in response to Message 21209.

Lots of errors, yes, but the type of errors seem to indicate that the WU itself is fine.

Yours is the only one that errored out during computation. The others either had a problem downloading or failed immediately when they tried to start. Your failure was different than the others.

There's four errors exhibited by the other results for that WU:

0) This one really doesn't count as an error: Aborted by user. This could be for any reason at all. In this instance (152264807), the computer in question is a Celeron, and the user probably figured that the WU wouldn't complete before the deadline.

1) Download errors: Could be due to transient server or Internet problems, which are not the fault of the WU. Could also be due to a problem with the WU itself. However, since several of the results made it passed this point, it can't be the fault of the WU.

2) Initialization errors: When a WU starts running on a client, the application (executable) needs to be loaded successfully, the data for the application needs to load successfully, and the application sometimes needs to pass it's own internal validity checks before actually starting computation. Failures here include not having enough memory available, or deciding that the WU isn't appropriate for this hardware (e.g., the optimized SETI CUDA Vlarkill). Results that fail during initialization show a compute error with only a few seconds of computation time. Not much wasted effort here, fortunately. Your computer got passed this phase, so it's definitely not a universal problem.

3) A real computation error. This is what happened to you, unfortunately. The WU fails sometime after the real processing has started. On a long WU like the SoBs, this can waste an awful lot of processing time. The possible causes of this are almost infinite and run the gamut from bad WUs to bad hardware to completely unpredictable events such as cosmic ray impacts.

For this WU, your result sort of proves that the first two (three if you include aborted by user) types of errors were not the fault of the WU since you successfully got passed the point where they failed. As to whether there's actually a WU problem causing a computation failure, there's only one data point so far -- yours -- so they really need to see at least one other attempt. Hopefully this result 152273031 is close to finishing.
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Message boards : Seventeen or Bust : SoB WU error

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