I'm not sure if this is a work unit failure or a problem with the core since I'm quite new to Folding@Home. What happened: The client successfully downloaded the new work unit and FahCore_a0.exe and started running that evening. After about an hour, it hadn't even gotten to 1%. I paused it and put my laptop into hibernation. When I started my laptop the next day, the core immediately exited with an EARLY_UNIT_END, which seems a little suspicious. What follows is the relevant part of the log. The network errors are due to internet problems I am having, which also means I can't respond that often. The internet problems are hardware faults at the ISP's end, not my laptop developing another problem.
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[23:50:29] + Attempting to send results [December 25 23:50:29 UTC]
[23:50:29] - Presenting message box asking to network.
[23:51:02] + Results successfully sent
[23:51:02] Thank you for your contribution to Folding@Home.
[23:51:02] + Number of Units Completed: 2
[23:51:07] - Preparing to get new work unit...
[23:51:07] + Attempting to get work packet
[23:51:07] - Connecting to assignment server
[23:51:09] - Successful: assigned to (171.67.108.12).
[23:51:09] + News From Folding@Home: Welcome to Folding@Home
[23:51:09] Loaded queue successfully.
[23:51:24] + Connections closed: You may now disconnect
[23:51:24]
[23:51:24] + Processing work unit
[23:51:24] Core required: FahCore_a0.exe
[23:51:24] Core not found.
[23:51:24] - Core is not present or corrupted.
[23:51:24] - Attempting to download new core...
[23:51:24] + Downloading new core: FahCore_a0.exe
[23:51:24] - Presenting message box asking to network.
[23:52:05] + 10240 bytes downloaded
[23:52:05] + 20480 bytes downloaded
[23:52:05] + 30720 bytes downloaded
[23:52:05] + 40960 bytes downloaded
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[23:52:06] + 61440 bytes downloaded
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[23:52:23] + 921600 bytes downloaded
[23:52:23] + 931840 bytes downloaded
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[23:52:23] + 952320 bytes downloaded
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[23:52:24] + 1003520 bytes downloaded
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[23:52:25] + 1034240 bytes downloaded
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[23:52:26] + 1064960 bytes downloaded
[23:52:26] + 1073182 bytes downloaded
[23:52:26] Verifying core Core_a0.fah...
[23:52:26] Signature is VALID
[23:52:26]
[23:52:26] Trying to unzip core FahCore_a0.exe
[23:52:26] Decompressed FahCore_a0.exe (1656832 bytes) successfully
[23:52:26] Decompressed libfftw3f-3.dll (1382280 bytes) successfully
[23:52:31] + Core successfully engaged
[23:52:36]
[23:52:36] + Processing work unit
[23:52:36] Core required: FahCore_a0.exe
[23:52:36] Core found.
[23:52:36] Working on queue slot 03 [December 25 23:52:36 UTC]
[23:52:36] + Working ...
[23:52:37]
[23:52:37] *------------------------------*
[23:52:37] Folding@Home Gromacs 3.3 Core
[23:52:37] Version 1.93 (July 23, 2008)
[23:52:37]
[23:52:37] Preparing to commence simulation
[23:52:37] - Looking at optimizations...
[23:52:37] - Created dyn
[23:52:37] - Files status OK
[23:52:37] - Expanded 976190 -> 6173133 (decompressed 632.3 percent)
[23:52:38] - Starting from initial work packet
[23:52:38]
[23:52:38] Project: 5114 (Run 124, Clone 58, Gen 0)
[23:52:38]
[23:52:38] Assembly optimizations on if available.
[23:52:38] Entering M.D.
[23:52:44] Rejecting checkpoint
[23:52:44] Protein: Calmodulin in water
[23:52:44] Writing local files
[23:52:47] Extra SSE boost OK.
[23:52:47] Writing local files
[23:52:47] Completed 0 out of 500000 steps (0 percent)
[13:32:25] + Working...
[13:32:28] 3 hours since checkpoint written...
[13:32:28]
[13:32:28] Folding@home Core Shutdown: EARLY_UNIT_END
[13:32:33] CoreStatus = 72 (114)
[13:32:33] Sending work to server
[13:32:33] Project: 5114 (Run 124, Clone 58, Gen 0)
[13:32:33] - Error: Could not get length of results file work/wuresults_03.dat
[13:32:33] - Error: Could not read unit 03 file. Removing from queue.
[13:32:33] - Preparing to get new work unit...
[13:32:33] + Attempting to get work packet
[13:32:33] - Connecting to assignment server
[13:32:33] + Could not connect to Assignment Server
[13:32:33] + Could not connect to Assignment Server 2