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Most likely cause of an EUE

post #1 of 2
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I have had 2 out of 4 work units end early. This is the output to fahlog and is the same for both units. Bad luck or a system issue?

I am running the Windows SMP client.

Quote:
[08:16:25] Writing local files
[08:16:26] Completed 230000 out of 500000 steps (46 percent)
[08:30:53] Core Shutdown: EARLY_UNIT_END
[08:30:53] Finalizing output
[08:30:53] ck what have done.
[08:30:53] logfile size: 180126
[08:30:53] - Writing 180662 bytes of core data to disk...
[08:30:53] ... Done.
[08:30:53] - Failed to delete work/wudata_04.xtc
[08:30:53] - Failed to delete work/wudata_04.sas
[08:30:53] - Failed to delete work/wudata_04.goe
[08:30:53] Warning: check for stray files
[08:32:53]
[08:32:53] Folding@home Core Shutdown: EARLY_UNIT_END
[08:32:53]
[08:32:53] Folding@home Core Shutdown: EARLY_UNIT_END
[08:32:57] CoreStatus = 7B (123)
[08:32:57] Client-core communications error: ERROR 0x7b
[08:32:57] Deleting current work unit & continuing...
[08:35:11] - Preparing to get new work unit...
[08:35:11] + Attempting to get work packet
[08:35:11] - Connecting to assignment server
[08:35:12] - Successful: assigned to (171.64.65.56).
[08:35:12] + News From Folding@Home: Welcome to Folding@Home
[08:35:12] Loaded queue successfully.
[08:35:29] + Closed connections
[08:35:34]
[08:35:34] + Processing work unit
[08:35:34] Core required: FahCore_a1.exe
[08:35:34] Core found.
[08:35:34] Working on Unit 05 [July 26 08:35:34]
[08:35:34] + Working ...
[08:35:38]
[08:35:38] *------------------------------*
[08:35:38] Folding@Home Gromacs SMP Core
[08:35:38] Version 1.74 (March 10, 2007)
[08:35:38]
[08:35:38] Preparing to commence simulation
[08:35:38] - Looking at optimizations...
[08:35:38] - Created dyn
[08:35:38] - Files status OK
[08:35:40] - Expanded 2437765 -> 12907669 (decompressed 529.4 percent)
[08:35:40] - Starting from initial work packet
[08:35:40]
[08:35:40] Project: 2605 (Run 12, Clone 34, Gen 36)
[08:35:40]
[08:35:40] Assembly optimizations on if available.
[08:35:40] Entering M.D.
[08:35:58] al work packet
[08:35:58]
[08:35:58] Project: 2605 (Run 12, Clone 34, Gen 36)
[08:35:58]
[08:36:00] 05 (Run 12, Clone 34, Gen 36)
[08:36:00]
[08:36:00] Entering M.D.
[08:36:06] Rejecting checkpoint
[08:36:07] Protein: Protein in POPC
[08:36:07] Writing local files
[08:36:09] Extra SSE boost OK.
[08:36:09] Writing local files
[08:36:09] Completed 0 out of 500000 steps (0 percent)
Dell Optiplex 960
(13 items)
 
  
CPUGraphicsRAMHard Drive
Core 2 Quad Q8400 XFX 9500GT 1GB 8GB 2x Raptor 160GB - RAID 0 
Optical DriveOSMonitor
DVD-RW Windows 7 Ultimate x64 SP2 2 x 2207WFP 
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Dell Optiplex 960
(13 items)
 
  
CPUGraphicsRAMHard Drive
Core 2 Quad Q8400 XFX 9500GT 1GB 8GB 2x Raptor 160GB - RAID 0 
Optical DriveOSMonitor
DVD-RW Windows 7 Ultimate x64 SP2 2 x 2207WFP 
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post #2 of 2
Quote:
Originally Posted by Muttzcuttz View Post
I have had 2 out of 4 work units end early. This is the output to fahlog and is the same for both units. Bad luck or a system issue?

I am running the Windows SMP client.
Hi Muttz,

As frustrating as it is, it happens. Some EUE come from unstable conditions in the computer - overclocking sometimes gets blamed, but overheating can caused stalls and shutdowns as well. Sometimes the WU's just get to a point where no further work can be accomplished, or check sums don't add up, or the WU can't make an internet connection, etc, etc...

Based on your post the WU didn't like the checkpoint either, so it re-started.

I know this answer doesn't help much, but hang in there. If it continues to happen, a re-install of FAH might be in order. Sometimes the initial download and install does not go right either. Remember also that playing games or performing other activities "might" interfere with the cpu writing to the appropriate files.... I think most folders see about a 5% to 7% loss of WU's... Just a guess.

As a side note. My Windows SMP rig with a E6300 on an ASUS board continues to stall about every other day or so. I'm not sure the cause, but a quick re-start is always in order. It could be because the Windows system is on 32 bit and SMP is 64 bit... This particular system is not overclocked very much at all (10%) and the temps are fine.

I hope this helped, :-)
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