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6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 4:22 pm
by pluto7777
Code: Select all
[07:04:09] + Attempting to send results [November 7 07:04:09 UTC]
[07:04:21] + Results successfully sent
[07:04:21] Thank you for your contribution to Folding@Home.
[07:04:21] + Number of Units Completed: 9
Warning: Ignoring unknown arg
Warning: Ignoring unknown arg
[07:04:26] - Preparing to get new work unit...
[07:04:26] Cleaning up work directory
[07:04:26] + Attempting to get work packet
[07:04:26] Passkey found
[07:04:26] - Connecting to assignment server
[07:04:27] - Successful: assigned to (171.64.65.62).
[07:04:27] + News From Folding@Home: Welcome to Folding@Home
[07:04:27] Loaded queue successfully.
[07:04:28] + Closed connections
[07:04:28]
[07:04:28] + Processing work unit
[07:04:28] Core required: FahCore_78.exe
[07:04:28] Core found.
[07:04:28] Working on queue slot 00 [November 7 07:04:28 UTC]
[07:04:28] + Working ...
Warning: Ignoring unknown arg
Warning: Ignoring unknown arg
[07:04:28]
[07:04:28] *------------------------------*
[07:04:28] Folding@Home Gromacs Core
[07:04:28] Version 1.90 (March 8, 2006)
[07:04:28]
[07:04:28] Preparing to commence simulation
[07:04:28] - Looking at optimizations...
[07:04:28] - Created dyn
[07:04:28] - Files status OK
[07:04:28] - Expanded 473008 -> 2359929 (decompressed 498.9 percent)
[07:04:29] - Starting from initial work packet
[07:04:29]
[07:04:29] Project: 6508 (Run 11, Clone 192, Gen 21)
[07:04:29]
[07:04:29] Assembly optimizations on if available.
[07:04:29] Entering M.D.
Gromacs is Copyright (c) 1991-2003, University of Groningen, The Netherlands
This inclusion of Gromacs code in the Folding@Home Core is under
a special license (see http://folding.stanford.edu/gromacs.html)
specially granted to Stanford by the copyright holders. If you
are interested in using Gromacs, visit www.gromacs.org where
you can download a free version of Gromacs under
the terms of the GNU General Public License (GPL) as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
[07:04:35] Protein: proG_12 in water
[07:04:35]
[07:04:35] Writing local files
[07:04:35] Extra SSE boost OK.
[07:04:35] Writing local files
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Segmentation fault
[12:19:13] CoreStatus = 8B (139)
[12:19:13] Client-core communications error: ERROR 0x8b
[12:19:13] This is a sign of more serious problems, shutting down.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 5:10 pm
by sortofageek
Could we see more of the log, please? What happened after that? Did it send results? Delete? What?
I checked, but there is no data back from my query.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 5:11 pm
by Tobit
I'm also curious as to what OS you are running on and the version of the client you are using. Please also tell us what flags you are passing to the client as you have two "Warning: Ignoring unknown arg" entries in your log.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 7:33 pm
by pluto7777
Tobit wrote:I'm also curious as to what OS you are running on and the version of the client you are using. Please also tell us what flags you are passing to the client as you have two "Warning: Ignoring unknown arg" entries in your log.
Linux Ubuntu 10.10 kernel 2.6.35 . I'm using the -advancedmethods flag but I'm not sure how that could lead to a segfault
I'm not overclocking and I am running ncsd as someone advised in the Linux forum otherwise F@H version 6.29 wouldn't even run.
There are also load balancing issues with SMP which is why I don't use it.
I use to fold 24-7 running Ubuntu 8.4-9.10 with F@H client 6.02 no problems whatsoever.
Somewhere Somehow something has gone massively wrong. If it's an issue with Ubuntu I have no issues changing distributions. It isn't the only distribution with major problems though.
sortofageek wrote:Could we see more of the log, please? What happened after that? Did it send results? Delete? What?
I checked, but there is no data back from my query.
No you cannot. Restarting the client results in the same failure forcing me to manually delete everything.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 8:20 pm
by Fireball0236
The correct flag is "-advmethods" not "-advancedmethods". As for the other issues, can't be of help, sorry.
~ Fireball0236
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 9:02 pm
by bruce
Without the details from FAHlog, we won't be able to support you.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 10:24 pm
by 7im
pluto7777 wrote:...
Linux Ubuntu 10.10 kernel 2.6.35.
As you said, fah works just fine with all previous versions "running Ubuntu 8.4-9.10 with F@H client" Probably a good hint that something changed in v10 that is not compatible with FAH.
The segfault error is a known issue. 10.x versions of Ubuntu don't work with the current version of the v6 fah client. Go back to v9.x Ubuntu, or use one of the workarounds documented here in the forum. Search for segfault or NCSD.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 10:35 pm
by Tobit
7im wrote:The segfault error is a known issue. 10.x versions of Ubuntu don't work with the current version of the v6 fah client. Go back to v9.x Ubuntu, or use one of the workarounds documented here in the forum. Search for segfault or NCSD.
but there isn't a single segfault reported in his logfile. According to his logfile, it was folding fine. He has other issues going on.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Mon Nov 08, 2010 10:43 pm
by 7im
Regardless of the log contents (check your PM) pluto7777 also mentions...
I'm using the -advancedmethods flag but I'm not sure how that could lead to a segfault
v10 = segmentation fault, and the wrong flag syntax explains the other error. (-advancedmethods= invalid arg)
EDIT: tobit corrected me. v10 seg faults are typically immediate, upon client startup. So that's not it.
So it's either a bad work unit, or a computer hardware issue, typically a memory issue or overclocking (related). Ask a mod to see if anyone else can complete that WU. If not, bad WU. If the seg fault is isolated incident on this PC, also likely a bad WU. If it continues, time to start testing system components and checking system temps.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Tue Nov 09, 2010 2:06 am
by pluto7777
Fireball0236 wrote:The correct flag is "-advmethods" not "-advancedmethods". As for the other issues, can't be of help, sorry.
~ Fireball0236
You are correct. It's enabled through configuration so I never need to actually type it in.
Tobit wrote:
but there isn't a single segfault reported in his logfile. According to his logfile, it was folding fine. He has other issues going on.
Wow did you even look at it or was that an automated response?
7im wrote:pluto7777 wrote:...
Linux Ubuntu 10.10 kernel 2.6.35.
As you said, fah works just fine with all previous versions "running Ubuntu 8.4-9.10 with F@H client" Probably a good hint that something changed in v10 that is not compatible with FAH.
The segfault error is a known issue. 10.x versions of Ubuntu don't work with the current version of the v6 fah client. Go back to v9.x Ubuntu, or use one of the workarounds documented here in the forum. Search for segfault or NCSD.
I said F@H6.02 worked fine. It runs great without NCSD on 10.10 aside from no SMP work units being available.
I'll say it again F@H version 6.02 runs without error on Ubuntu 10.10 whereas version 6.29 isn't even usable without NCSD
Does 6.02 use a different gromacs version?
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Tue Nov 09, 2010 2:25 am
by bruce
pluto7777 wrote:Does 6.02 use a different gromacs version?
You're talking about two different things. The client version and the FahCore version change virtually independently of each other. Gromacs is inside of a FahCore. The Pande Group can distribute a new version of a FahCore or can distribute an entirely new FahCore without ever changing the client version.
For example, FahCore_a4 runs a newer version of Gromacs than FahCore_78 but either one can run with a 6.02 client or with a 6.29 client -- provided that you have an OS that is configured so that that client version can run. On the other hand if a client cannot link with the version of the Linux library that you have, the client, itself, so no version of Gromacs can be used.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Tue Nov 09, 2010 2:45 am
by pluto7777
bruce wrote:pluto7777 wrote:Does 6.02 use a different gromacs version?
You're talking about two different things. The client version and the FahCore version change virtually independently of each other. Gromacs is inside of a FahCore. The Pande Group can distribute a new version of a FahCore or can distribute an entirely new FahCore without ever changing the client version.
For example, FahCore_a4 runs a newer version of Gromacs than FahCore_78 but either one can run with a 6.02 client or with a 6.29 client -- provided that you have an OS that is configured so that that client version can run. On the other hand if a client cannot link with the version of the Linux library that you have, the client, itself, so no version of Gromacs can be used.
Let me rephrase the question then. Is FahCore_78 the same in 6.02 and 6.29?
I feel like I'm beating a dead horse here. I have removed NSCD and gone back to 6.02 for the time being.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Tue Nov 09, 2010 2:54 am
by bruce
Look at the date/time that FahCore_78 was downloaded and the version number that appears in FAHlog. Do you see any changes? When you reverted to 6.02 did it download a fresh version of FahCore_78 or are you using one that was backed up from the other configuration?
Deleting a copy of FahCore_78 might install a newer version but once again that has nothing to do with which client you're running. You might keep an old version for quite a while as long as (A) you don't delete it, and (B) you're not assigned a WU that needs a newer version than you have.
The Project that you're assigned is what determines which core you need and what minimum version is required, not the client.
Re: 6508 (Run 11, Clone 192, Gen 21)
Posted: Wed Nov 10, 2010 6:38 pm
by sortofageek
Just as a follow-up, I checked the database again. Another folder completed this WU and returned it for full credit yesterday.