Project: 1761 (Run 9, Clone 86, Gen 3)

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DrBB1
Posts: 136
Joined: Wed Mar 26, 2008 12:30 am
Location: SE PA

Project: 1761 (Run 9, Clone 86, Gen 3)

Post by DrBB1 »

This was a long WU, so I was disappointed when the error popped up at the end. I included the bulk of the log at the end of my post, but the key lines follow:

Code: Select all

[18:13:13] Writing local files
[18:13:14] Completed 495000 out of 500000 steps  (99 percent)
[18:43:48] Writing local files
[18:43:48] Completed 500000 out of 500000 steps  (100 percent)
[18:43:48] - Checksums don't match (work/wudata_04.xtc)
[18:43:49] Premature end of file when checksumming (3581944 bytes left)
[18:43:49] - Could not calculate checksum (work/wudata_04.xtc)
[18:43:50] Checksum not what expected.
[18:43:50] 
[18:43:50] Folding@home Core Shutdown: FILE_IO_ERROR
[18:43:54] CoreStatus = 75 (117)
[18:43:54] Error opening or reading from a file.
[18:43:54] Deleting current work unit & continuing...
[18:43:58] - Preparing to get new work unit...
Two questions:
  • 1. Have I really lost two days of work or can I salvage anything and upload it?
    2. Is this result likely to be one of those unlucky random events and, if not, is there something I can do to prevent it from occurring again.
Thanks for any suggestions.

Code: Select all


[15:48:03] + Processing work unit
[15:48:03] Core required: FahCore_a0.exe
[15:48:03] Core found.
[15:48:03] Working on queue slot 04 [March 22 15:48:03 UTC]
[15:48:03] + Working ...
[15:48:03] 
[15:48:03] *------------------------------*
[15:48:03] Folding@Home Gromacs 3.3 Core
[15:48:03] Version 1.93 (July 23, 2008)
[15:48:03] 
[15:48:03] Preparing to commence simulation
[15:48:03] - Looking at optimizations...
[15:48:03] - Created dyn
[15:48:03] - Files status OK
[15:48:05] - Expanded 2885701 -> 15035137 (decompressed 521.0 percent)
[15:48:05] - Starting from initial work packet
[15:48:05] 
[15:48:05] Project: 1761 (Run 9, Clone 86, Gen 3)
[15:48:05] 
[15:48:05] Assembly optimizations on if available.
[15:48:05] Entering M.D.
[15:48:11] Rejecting checkpoint
[15:48:12] Protein: solvate output: 19 Na ions added to 1P0I.gro with min_sep 0.5 in water
[15:48:12] Writing local files
[15:48:14] Extra SSE boost OK.
[15:48:14] Writing local files
[15:48:14] Completed 0 out of 500000 steps  (0 percent)
[16:18:49] Writing local files
[16:18:49] Completed 5000 out of 500000 steps  (1 percent)
[16:49:24] Writing local files
[16:49:24] Completed 10000 out of 500000 steps  (2 percent)
[17:19:57] Writing local files
[17:19:57] Completed 15000 out of 500000 steps  (3 percent)
[17:50:28] Writing local files
[17:50:28] Completed 20000 out of 500000 steps  (4 percent)
[18:20:58] Writing local files
[18:20:58] Completed 25000 out of 500000 steps  (5 percent)
[18:51:28] Writing local files
[18:51:28] Completed 30000 out of 500000 steps  (6 percent)
[19:19:33] + Working...
[19:21:58] Writing local files
[19:21:58] Completed 35000 out of 500000 steps  (7 percent)
[19:52:28] Writing local files
[19:52:28] Completed 40000 out of 500000 steps  (8 percent)
[20:22:59] Writing local files
[20:22:59] Completed 45000 out of 500000 steps  (9 percent)
[20:53:30] Writing local files
[20:53:30] Completed 50000 out of 500000 steps  (10 percent)
[21:24:02] Writing local files
[21:24:03] Completed 55000 out of 500000 steps  (11 percent)
[21:54:34] Writing local files
[21:54:34] Completed 60000 out of 500000 steps  (12 percent)
[22:25:05] Writing local files
[22:25:05] Completed 65000 out of 500000 steps  (13 percent)
[22:55:35] Writing local files
[22:55:36] Completed 70000 out of 500000 steps  (14 percent)
[23:26:07] Writing local files
[23:26:07] Completed 75000 out of 500000 steps  (15 percent)
[23:56:37] Writing local files
[23:56:38] Completed 80000 out of 500000 steps  (16 percent)
[00:27:08] Writing local files
[00:27:08] Completed 85000 out of 500000 steps  (17 percent)
[00:57:46] Writing local files
[00:57:46] Completed 90000 out of 500000 steps  (18 percent)
[01:19:33] + Working...
[01:28:33] Writing local files
[01:28:33] Completed 95000 out of 500000 steps  (19 percent)
[01:59:04] Writing local files
[01:59:05] Completed 100000 out of 500000 steps  (20 percent)
[02:29:37] Writing local files
[02:29:37] Completed 105000 out of 500000 steps  (21 percent)
[03:00:10] Writing local files
[03:00:10] Completed 110000 out of 500000 steps  (22 percent)
[03:30:40] Writing local files
[03:30:41] Completed 115000 out of 500000 steps  (23 percent)
[04:01:09] Writing local files
[04:01:09] Completed 120000 out of 500000 steps  (24 percent)
[04:31:40] Writing local files
[04:31:40] Completed 125000 out of 500000 steps  (25 percent)
[05:02:10] Writing local files
[05:02:10] Completed 130000 out of 500000 steps  (26 percent)
[05:32:40] Writing local files
[05:32:40] Completed 135000 out of 500000 steps  (27 percent)
[06:03:10] Writing local files
[06:03:11] Completed 140000 out of 500000 steps  (28 percent)
[06:33:42] Writing local files
[06:33:42] Completed 145000 out of 500000 steps  (29 percent)
[07:04:12] Writing local files
[07:04:12] Completed 150000 out of 500000 steps  (30 percent)
[07:19:33] + Working...
[07:34:43] Writing local files
[07:34:43] Completed 155000 out of 500000 steps  (31 percent)
[08:05:14] Writing local files
[08:05:14] Completed 160000 out of 500000 steps  (32 percent)
[08:35:45] Writing local files
[08:35:45] Completed 165000 out of 500000 steps  (33 percent)
[09:06:17] Writing local files
[09:06:17] Completed 170000 out of 500000 steps  (34 percent)
[09:36:47] Writing local files
[09:36:47] Completed 175000 out of 500000 steps  (35 percent)
[10:07:19] Writing local files
[10:07:19] Completed 180000 out of 500000 steps  (36 percent)
[10:37:51] Writing local files
[10:37:51] Completed 185000 out of 500000 steps  (37 percent)
[11:08:21] Writing local files
[11:08:21] Completed 190000 out of 500000 steps  (38 percent)
[11:38:51] Writing local files
[11:38:51] Completed 195000 out of 500000 steps  (39 percent)
[12:09:22] Writing local files
[12:09:22] Completed 200000 out of 500000 steps  (40 percent)
[12:39:54] Writing local files
[12:39:54] Completed 205000 out of 500000 steps  (41 percent)
[13:10:24] Writing local files
[13:10:24] Completed 210000 out of 500000 steps  (42 percent)
[13:19:33] + Working...
[13:40:55] Writing local files
[13:40:55] Completed 215000 out of 500000 steps  (43 percent)
[14:11:24] Writing local files
[14:11:24] Completed 220000 out of 500000 steps  (44 percent)
[14:41:54] Writing local files
[14:41:54] Completed 225000 out of 500000 steps  (45 percent)
[15:12:25] Writing local files
[15:12:25] Completed 230000 out of 500000 steps  (46 percent)
[15:42:56] Writing local files
[15:42:56] Completed 235000 out of 500000 steps  (47 percent)
[16:13:28] Writing local files
[16:13:28] Completed 240000 out of 500000 steps  (48 percent)
[16:43:59] Writing local files
[16:43:59] Completed 245000 out of 500000 steps  (49 percent)
[17:14:29] Writing local files
[17:14:29] Completed 250000 out of 500000 steps  (50 percent)
[17:45:01] Writing local files
[17:45:01] Completed 255000 out of 500000 steps  (51 percent)
[18:15:33] Writing local files
[18:15:33] Completed 260000 out of 500000 steps  (52 percent)
[18:46:03] Writing local files
[18:46:03] Completed 265000 out of 500000 steps  (53 percent)
[19:16:36] Writing local files
[19:16:36] Completed 270000 out of 500000 steps  (54 percent)
[19:19:33] + Working...
[19:47:06] Writing local files
[19:47:07] Completed 275000 out of 500000 steps  (55 percent)
[20:17:41] Writing local files
[20:17:42] Completed 280000 out of 500000 steps  (56 percent)
[20:48:13] Writing local files
[20:48:13] Completed 285000 out of 500000 steps  (57 percent)
[21:18:46] Writing local files
[21:18:46] Completed 290000 out of 500000 steps  (58 percent)
[21:49:17] Writing local files
[21:49:17] Completed 295000 out of 500000 steps  (59 percent)
[22:19:48] Writing local files
[22:19:48] Completed 300000 out of 500000 steps  (60 percent)
[22:50:18] Writing local files
[22:50:18] Completed 305000 out of 500000 steps  (61 percent)
[23:20:53] Writing local files
[23:20:53] Completed 310000 out of 500000 steps  (62 percent)
[23:51:55] Writing local files
[23:51:55] Completed 315000 out of 500000 steps  (63 percent)
[00:22:30] Writing local files
[00:22:30] Completed 320000 out of 500000 steps  (64 percent)
[00:53:05] Writing local files
[00:53:05] Completed 325000 out of 500000 steps  (65 percent)
[01:19:33] + Working...
[01:23:41] Writing local files
[01:23:41] Completed 330000 out of 500000 steps  (66 percent)
[01:54:18] Writing local files
[01:54:18] Completed 335000 out of 500000 steps  (67 percent)
[02:24:54] Writing local files
[02:24:54] Completed 340000 out of 500000 steps  (68 percent)
[02:55:27] Writing local files
[02:55:27] Completed 345000 out of 500000 steps  (69 percent)
[03:26:04] Writing local files
[03:26:04] Completed 350000 out of 500000 steps  (70 percent)
[03:56:41] Writing local files
[03:56:41] Completed 355000 out of 500000 steps  (71 percent)
[04:27:45] Writing local files
[04:27:45] Completed 360000 out of 500000 steps  (72 percent)
[04:58:29] Writing local files
[04:58:29] Completed 365000 out of 500000 steps  (73 percent)
[05:29:01] Writing local files
[05:29:02] Completed 370000 out of 500000 steps  (74 percent)
[05:59:36] Writing local files
[05:59:36] Completed 375000 out of 500000 steps  (75 percent)
[06:30:14] Writing local files
[06:30:14] Completed 380000 out of 500000 steps  (76 percent)
[07:00:53] Writing local files
[07:00:53] Completed 385000 out of 500000 steps  (77 percent)
[07:19:33] + Working...
[07:31:35] Writing local files
[07:31:35] Completed 390000 out of 500000 steps  (78 percent)
[08:02:07] Writing local files
[08:02:07] Completed 395000 out of 500000 steps  (79 percent)
[08:32:39] Writing local files
[08:32:39] Completed 400000 out of 500000 steps  (80 percent)
[09:03:10] Writing local files
[09:03:11] Completed 405000 out of 500000 steps  (81 percent)
[09:33:43] Writing local files
[09:33:43] Completed 410000 out of 500000 steps  (82 percent)
[10:04:13] Writing local files
[10:04:13] Completed 415000 out of 500000 steps  (83 percent)
[10:34:46] Writing local files
[10:34:46] Completed 420000 out of 500000 steps  (84 percent)
[11:05:18] Writing local files
[11:05:18] Completed 425000 out of 500000 steps  (85 percent)
[11:35:48] Writing local files
[11:35:49] Completed 430000 out of 500000 steps  (86 percent)
[12:06:19] Writing local files
[12:06:19] Completed 435000 out of 500000 steps  (87 percent)
[12:36:52] Writing local files
[12:36:52] Completed 440000 out of 500000 steps  (88 percent)
[13:07:24] Writing local files
[13:07:25] Completed 445000 out of 500000 steps  (89 percent)
[13:19:33] + Working...
[13:37:55] Writing local files
[13:37:55] Completed 450000 out of 500000 steps  (90 percent)
[14:08:26] Writing local files
[14:08:26] Completed 455000 out of 500000 steps  (91 percent)
[14:38:58] Writing local files
[14:38:58] Completed 460000 out of 500000 steps  (92 percent)
[15:09:30] Writing local files
[15:09:30] Completed 465000 out of 500000 steps  (93 percent)
[15:40:03] Writing local files
[15:40:03] Completed 470000 out of 500000 steps  (94 percent)
[16:10:35] Writing local files
[16:10:35] Completed 475000 out of 500000 steps  (95 percent)
[16:41:35] Writing local files
[16:41:36] Completed 480000 out of 500000 steps  (96 percent)
[17:12:09] Writing local files
[17:12:10] Completed 485000 out of 500000 steps  (97 percent)
[17:42:43] Writing local files
[17:42:43] Completed 490000 out of 500000 steps  (98 percent)
[18:13:13] Writing local files
[18:13:14] Completed 495000 out of 500000 steps  (99 percent)
[18:43:48] Writing local files
[18:43:48] Completed 500000 out of 500000 steps  (100 percent)
[18:43:48] - Checksums don't match (work/wudata_04.xtc)
[18:43:49] Premature end of file when checksumming (3581944 bytes left)
[18:43:49] - Could not calculate checksum (work/wudata_04.xtc)
[18:43:50] Checksum not what expected.
[18:43:50] 
[18:43:50] Folding@home Core Shutdown: FILE_IO_ERROR
[18:43:54] CoreStatus = 75 (117)
[18:43:54] Error opening or reading from a file.
[18:43:54] Deleting current work unit & continuing...
[18:43:58] - Preparing to get new work unit...
[18:43:58] + Attempting to get work packet
[18:43:58] - Connecting to assignment server
[18:43:58] - Successful: assigned to (171.64.65.111).
[18:43:58] + News From Folding@Home: Welcome to Folding@Home
[18:43:58] Loaded queue successfully.
[18:44:01] + Closed connections
[18:44:06] 
[18:44:06] + Processing work unit
[18:44:06] Core required: FahCore_78.exe
[18:44:06] Core found.
[18:44:06] Working on queue slot 05 [March 24 18:44:06 UTC]
[18:44:06] + Working ...
========
DrBB1
toTOW
Site Moderator
Posts: 6435
Joined: Sun Dec 02, 2007 10:38 am
Location: Bordeaux, France
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Re: Project: 1761 (Run 9, Clone 86, Gen 3)

Post by toTOW »

1) Yes it's gone :(
2) These FILE IO ERRORs are quite hard to prevent/diagnose, but here are a few clues : corruption because of an improper shutdown, defective HDD (including connectors, controller, ...), memory corruption, overclocking ...
Image

Folding@Home beta tester since 2002. Folding Forum moderator since July 2008.
DrBB1
Posts: 136
Joined: Wed Mar 26, 2008 12:30 am
Location: SE PA

Re: Project: 1761 (Run 9, Clone 86, Gen 3)

Post by DrBB1 »

Thanks toTOW. Nothing special seems to have happened, at least not that I can identify with my limited knowledge.
========
DrBB1
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