Project: 2671 (Run 11, Clone 32, Gen 9) seg fault

[alpha754293]

console:

Code: Select all

  11507  11508   90.7    0.1010 1218.0474      0.1010
  11511  11513   90.0    0.1090 6237.3096      0.1090
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  11199  11201   90.0    0.1090 3061614336.0000      0.1090
  11199  11202   90.0    0.1090 3221064704.0000      0.1090
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   6081   6082  114.8    0.1090  29.4639      0.1090
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   9503   9504   90.0    0.1010   0.1231      0.1010
   9494   9495   90.0    0.1090   1.0212      0.1090
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   9535   9536   90.0    6.1850  11.0297      0.1090
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   9613   9614   90.0    0.1090 913488.6250      0.1090
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   9914   9915   90.1    0.1090 5919.3345      0.1090
   9916   9917   90.0    0.1090   3.1461      0.1090
   9918   9920   90.0    0.1090 142456960.0000      0.1090
   8      0.1090
   9965   9966   90.0    1.6912 57287892795392.0000      0.1090
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  10122  10123   90.0    0.1010 111759922   9923   90.0    0.1090 1887121.7500
    0.1090
   9922   9924   90.0    0.1090 16118791.0000      0.1090
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  10777  10778   90.1    0.1109 5538.2310      0.1090
  10777  10780   90.1    0.1123 5112.7407      0.1090
  10866  10867   90.1    0.1090 8504.9092      0.1090
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  10869  10870   90.0    0.1090 94151060226048.0000      0.1090
  10874  10875   90.6    0.0980 713.7846      0.1010
  18599  18601 [22:29:52]
[22:29:52] Folding@home Core Shutdown: INTERRUPTED
[cli_0]: aborting job:
application called MPI_Abort(MPI_COMM_WORLD, 102) - process 0
[cli_1]: aborting job:
Fatal error in MPI_Sendrecv: Error message texts are not available
1090 29365602.0000      0.1090
  11533  11536   90.0    0.1090 27522300.0000      0.1090
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   6146   6147   90.0    0.1090      inf      0.1090
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  16900  16901   90.0    0.1090 132.0579      0.1090
  16926  16928   90.0    6.8607      inf      0.1090
  16926  16929   90.0    0.4548      inf      0.1090
  16915  16917   90.0    0.1010 2213165036669501440.0000      0.1010
  19375  19376   90.0    0.1090 6521.2188      0.1090
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  16922  16923   90.0    0.1090 138264657920.0000      0.1090
  16926  16927   90.0    7.3677      inf      0.1090
  16939  16940   90.0    0.1010 143587200.0000      0.1010
  19344  19345   90.0    1.1613 3451187625984.0000      0.1010
  19373  19374   90.0    0.1010 255087263744.0000      0.1010
   9474   9476  100.3    0.1090  40.0976      0.1090
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   9437   9438   90.0    0.1090   0.3569      0.1090
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  11399  11400  105.4    0.1090  24.6318      0.1090
  10366  10367   90.1    0.1090 2670.1626      0.1090
  10366  10368   90.0    0.1090 26159.8047      0.1090
  10366  10369   90.4    0.1090 2409.2385      0.1090
  11306  11307   90.0    0.1090   7.2163      0.1090
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  10796  10798   90.0    0.1090 708735.2500      0.1090
  10796  10799   90.0    0.1090 761121.3750      0.1090
  11311  11312   90.0    0.1090 556509.4375      0.1090
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  11289  11292   90.0    0.1090 32479.4082      0.1090
  11293  11294   90.0    0.1090 12752091136.0000      0.1090
  11293  11295   90.0    0.1090 8772718592.0000      0.1090
  11331  11332   90.0    0.1090 259137.7812      0.1090
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  21351  21353   93.2    0.1090 146.2578      0.1090
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  21335  21336   90.0    0.1090  18.3684      0.1090
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  19400  19401   90.0    0.1090 5104192512.0000      0.1090
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  16413  16414   90.0    0.1080   0.4302      0.1080
  16953  16954   90.0    0.1010      inf      0.1010
  10252  10253   90.0    0.1090   0.1349      0.1090
  10234  10235  117.2    0.1090  10.2347      0.1090
  10236  10237  114.7    0.1090  10.4483      0.1090
  10246  10247   90.0    0.1010 174792.2188      0.1010
  10223  10225   90.0    0.1090 116356384.0000      0.1090
  10232  10233   90.0    0.1010 66916.0000      0.1010
  11387  11388   94.2    5.5828 162.4945      0.1090
  10241  10243   90.0    0.1010   3.3205      0.1010
  11353  11354   90.0    0.1090   0.1128      0.1090
  11373  11374   90.0    0.1090 539.9991      0.1090
  11383  11384   90.0    0.1010 939639552.0000      0.1010
  11325  11327   90.0    0.1090 17274683523072.0000      0.1090
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  11328  11330   90.0    0.1090   3.8571      0.1090
  10808  10810   90.0    0.1090 390407.2500      0.1090
  16108  16109   90.0    0.1090   0.6361      0.1090
  16117  16118   90.0    0.1010   0.2649      0.1010
  16119  16120   90.0    6.4284      inf      0.1090
  16485  16486   90.0    0.1090      inf      0.1090
  16485  16487   90.0    0.1090      inf      0.1090
  16485  16488   90.0    0.1090      inf      0.1090
  16011  16013   90.0    0.6472   1.8559      0.1090
  16011  16014   90.0    5.8190   8.1873      0.1090
  16437  16438   90.0    0.1090 114509.9141      0.1090
  16372  16373   90.0    4.9838      inf      0.1090
  16372  16374   90.0    0.9407      inf      0.1090
  16375  16376   90.0    0.5886 157.9605      0.1090
  16375  16377   90.0    0.6026 210.9202      0.1090
  16378  16379   90.0    0.4482  46.7614      0.1090
  16378  16380   90.0    0.4103  64.4903      0.1090
  15966  15967   90.0    0.1010 252.8868      0.1010
  15214  15215   90.0    0.1092 492287840.0000      0.1092
  16559  16561   90.0    0.1090   3.2826      0.1090
  15970  15972   90.0    0.1090   0.3832      0.1090
  15973  15975   90.0    0.1090  49.5639      0.1090
  15982  15983   90.0    0.1010   5.4620      0.1010
  15982  15984   90.0    0.1010   6.5533      0.1010
  15982  15985   90.0    0.1010 258.9774      0.1010
  16572  16573   90.0    0.7999 56818.2070      0.1090
  16572  16575   90.0    0.7275 64815.4688      0.1090

t = 4696.902 ps: Water molecule starting at atom 131728 can not be settled.
Check for bad contacts and/or reduce the timestep.
[0]0:Return code = 102
[0]1:Return code = 1
[0]2:Return code = 0, signaled with Segmentation fault
[0]3:Return code = 0, signaled with Segmentation fault
[22:29:57] CoreStatus = 66 (102)
[22:29:57] + Shutdown requested by user. Exiting.***** Got a SIGTERM signal (15)
[22:29:57] Killing all core threads

Folding@Home Client Shutdown.

FAHlog

Code: Select all

[16:52:13] 
[16:52:13] *------------------------------*
[16:52:13] Folding@Home Gromacs SMP Core
[16:52:13] Version 2.06 (Tue Mar 31 08:29:45 PDT 2009)
[16:52:13] 
[16:52:13] Preparing to commence simulation
[16:52:13] - Ensuring status. Please wait.
[16:52:13] Files status OK
[16:52:14] - Expanded 4836370 -> 24038369 (decompressed 497.0 percent)
[16:52:14] Called DecompressByteArray: compressed_data_size=4836370 data_size=24038369, decompressed_data_size=24038369 diff=0
[16:52:14] - Digital signature verified
[16:52:14] 
[16:52:14] Project: 2671 (Run 11, Clone 32, Gen 9)
[16:52:14] 
[16:52:15] Assembly optimizations on if available.
[16:52:15] Entering M.D.
[16:52:24] (Run 11, Clone 32, Gen 9)
[16:52:24] 
[16:52:24] Entering M.D.
[17:01:08] pleted 2500 out of 250000 steps  (1%)
[17:09:42] Completed 5000 out of 250000 steps  (2%)
[17:18:16] Completed 7500 out of 250000 steps  (3%)
[17:26:49] Completed 10000 out of 250000 steps  (4%)
[17:35:23] Completed 12500 out of 250000 steps  (5%)
[17:43:57] Completed 15000 out of 250000 steps  (6%)
[17:52:31] Completed 17500 out of 250000 steps  (7%)
[18:01:04] Completed 20000 out of 250000 steps  (8%)
[18:09:38] Completed 22500 out of 250000 steps  (9%)
[18:18:12] Completed 25000 out of 250000 steps  (10%)
[18:26:35] - Autosending finished units... [April 16 18:26:35 UTC]
[18:26:35] Trying to send all finished work units
[18:26:35] + No unsent completed units remaining.
[18:26:35] - Autosend completed
[18:26:46] Completed 27500 out of 250000 steps  (11%)
[18:35:19] Completed 30000 out of 250000 steps  (12%)
[18:43:53] Completed 32500 out of 250000 steps  (13%)
[18:52:26] Completed 35000 out of 250000 steps  (14%)
[19:01:00] Completed 37500 out of 250000 steps  (15%)
[19:09:34] Completed 40000 out of 250000 steps  (16%)
[19:18:07] Completed 42500 out of 250000 steps  (17%)
[19:26:42] Completed 45000 out of 250000 steps  (18%)
[19:35:15] Completed 47500 out of 250000 steps  (19%)
[19:43:49] Completed 50000 out of 250000 steps  (20%)
[19:52:23] Completed 52500 out of 250000 steps  (21%)
[20:00:58] Completed 55000 out of 250000 steps  (22%)
[20:09:32] Completed 57500 out of 250000 steps  (23%)
[20:18:06] Completed 60000 out of 250000 steps  (24%)
[20:26:40] Completed 62500 out of 250000 steps  (25%)
[20:35:13] Completed 65000 out of 250000 steps  (26%)
[20:43:47] Completed 67500 out of 250000 steps  (27%)
[20:52:21] Completed 70000 out of 250000 steps  (28%)
[21:00:55] Completed 72500 out of 250000 steps  (29%)
[21:09:29] Completed 75000 out of 250000 steps  (30%)
[21:18:04] Completed 77500 out of 250000 steps  (31%)
[21:26:38] Completed 80000 out of 250000 steps  (32%)
[21:35:12] Completed 82500 out of 250000 steps  (33%)
[21:43:46] Completed 85000 out of 250000 steps  (34%)
[21:52:20] Completed 87500 out of 250000 steps  (35%)
[22:00:54] Completed 90000 out of 250000 steps  (36%)
[22:09:28] Completed 92500 out of 250000 steps  (37%)
[22:18:02] Completed 95000 out of 250000 steps  (38%)
[22:26:37] Completed 97500 out of 250000 steps  (39%)
[22:29:52] 
[22:29:52] Folding@home Core Shutdown: INTERRUPTED
[22:29:57] CoreStatus = 66 (102)
[22:29:57] + Shutdown requested by user. Exiting.***** Got a SIGTERM signal (15)
[22:29:57] Killing all core threads

Folding@Home Client Shutdown.

restarting...

[toTOW]

There's no report for this WU in the DB yet.

I don't know what's going on with your machines, but there is definitely something wrong ... you shouldn't see so many errors ...

[alpha754293]

I have no idea what the current statistics are because I don't really monitor the system very often. Usually, I don't see the problem until I refresh the FAH stats page at ExtremeOverclocking, and then I would check FahMon, and then I'd check the consoles.

When you run the system headless, you don't really have a sense of what it is or isn't doing.

Ambient room temp is currently 292.7 K, so that shouldn't be the problem.

I've been able to run some various versions of Prime and they all run fine. So I don't know...

*edit*

I'm trying to remember if I had this much problems with the 2.01 core. 2.04 seemed to have more problems. 2.06 I'm seeing the WUs freeze a few times already and I would have to sent a SIGKILL(9) to it since the normal kill or pkill doesn't work.

[toTOW]

Prime is definitively the worst stability tester for FAH ... it's not pushing the hardware hard enough.

I think your systems are mainly servers ... am I correct ? (that's why I think it's not a stability issue ... but that might be a bad memory stick ... it might happen even in professional parts ...)

[alpha754293]

Prime is definitively the worst stability tester for FAH ... it's not pushing the hardware hard enough.

I think your systems are mainly servers ... am I correct ? (that's why I think it's not a stability issue ... but that might be a bad memory stick ... it might happen even in professional parts ...)

Well...I have beaten it with 120 hours and 125 hours of CFD and FEA respectively and it lived through that with no errors.

And yes, it's a server.

But it also passed memtest86 even with ECC disabled.

[toTOW]

That's definitely a strange behavior ... at least we're pretty sure it isn't hardware related.

How is your network set up ? Are you sure that you don't have some random IP resets ?

[alpha754293]

That's definitely a strange behavior ... at least we're pretty sure it isn't hardware related.

How is your network set up ? Are you sure that you don't have some random IP resets ?

system -> 16-port netgear GS116 GbE switch -> I think it's a netgear WGR614 wireless router -> cable modem.

Host has lo and eth0. IPv6 I think is disabled entirely.

As far as I know, no. I can continuously ping somewhere, but it shouldn't matter because all of the data I/O should be going through the loopback if I understand it correctly.

I also don't know if the IP stack would report a wire being disconnected (at least to console), and I don't think that F@H has a way of reporting network or connectivity issues.

[toTOW]

I don't know how linux handles this, but under windows, disconnecting a wire (or wireless connection), or changing the IP (DHCP renewal for instance) on a network interface also reset the loopback interface

Did you notice a regular period on the issue you're having (which might be related to an IP renewal or something similar) ? Did you try to assign static IP to your machines (in the netgear wireless router configuration) ?

[alpha754293]

I don't know how linux handles this, but under windows, disconnecting a wire (or wireless connection), or changing the IP (DHCP renewal for instance) on a network interface also reset the loopback interface

Did you notice a regular period on the issue you're having (which might be related to an IP renewal or something similar) ? Did you try to assign static IP to your machines (in the netgear wireless router configuration) ?

Not as far as I know.

The DHCP lease period is 7 days I think. But even then, the system just picks up the same IP anyways (which I've come to accept it as being "pseudo-static" because the stupid netgear router doesn't have a way to release it from its DHCP server, even if a release command is issued).

The server never leaves the building and the only time that the IPs gets reassigned is if there's a power failure (for the whole house, since the router is on a different floor than the server).

Apparently seg faults are related to memory, memory addressing, and memory read/write issues. MY current working theory is that the F@H client isn't actually fully truly 64-bit because as I recall, only parts of it are. Therefore; with my system running SLES10 SP2 x64, and 16 GB of RAM, it might not be properly addressing all of the memory available to the system, even though the client is configured to use 16003 MB. (max available according to memstat).

http://en.wikipedia.org/wiki/Segmentation_fault

[susato]

In the end both alpha and another donor completed this WU for full credit.