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Dotsch
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BOINC 5.7.5 CPU throtteling suspends WU

I am using/testing the BOINC 5.7.5 on MacOS X with different projects.
If the CPU throtteling is enabled, the FAAH the WU will stop crunching. If I suspend and resume the WU, the WU goes back to 0 %.
Some output of the result 9300168 :


Checkpoint complete
call_glss(): pop_size: 200 num_evals: 10000000 start: [05:17:45]
call_glss(): end: [05:25:30]
wcg_checkpoint() called
Starting to checkpoint ...
Checkpoint complete
call_glss(): pop_size: 200 num_evals: 10000000 start: [05:25:30]
call_glss(): end: [05:33:23]
wcg_checkpoint() called
Starting to checkpoint ...
INFO:[07:38:43] Start AutoGrid...

autogrid: autogrid4: Successful Completion.
wcg_checkpoint() called
Skipping checkpoint
INFO:[07:39:40] End AutoGrid...
Beginning AutoDock...
INFO: Setting num_generations: 27000
Setting maxGen to 6750
autodock4: WARNING: Unrecognized keyword in docking parameter file, in line:
compute_unbound_extended # compute extended ligand energyINFO: No state to restore. Start from the beginning.
About to enter main loop...(dockings already completed: 0)
call_glss(): pop_size: 200 num_evals: 10000000 start: [07:39:51]

Crashed executable name: wcg_faah_autodock_5.10_i686-apple-darwin
built using BOINC library version 5.4.9
Machine type Intel 80486
System version: Macintosh OS 10.4.8 build 8L2127
Wed Dec 6 07:42:31 2006
Stack frame backtrace:
# Flags Frame Addr Caller PC Return Address Symbol
=== === ========== ========== =====================
1 --- 0xb007ef68 0x0005801c
2 --- 0xb00807a8 0x000560c1
3 --- 0xb0080f38 0x0005ea2d
4 --- 0xb0080fe8 0x90023d87 _pthread_body + 0x54
5 FP- 0x00000000 0x00000000

Thread number 0: Stack frame backtrace:
# Flags Frame Addr Caller PC Return Address Symbol
=== === ========== ========== =====================
1 --- 0xbfeab198 0x000097b2
2 --- 0xbfeab558 0x0000a609
3 --- 0xbfeab578 0x000278fb
4 --- 0xbfeab648 0x00012aa2
5 --- 0xbfeab698 0x0001236f
6 --- 0xbfeab9c8 0x00005140
7 --- 0xbffffb58 0x0003b60a
8 --- 0xbffffc38 0x0004d4f1
9 --- 0xbffffc78 0x00001e1a
10 --- 0xbffffc98 0x00001d35
11 FP- 0x00000000 0x00000005

The other projects works well with the CPU throtteling with the BOINC client 5.7.5.
There was also a patch by David, which fixed this issue in the BOINC API on a previous version (5.7.4). Before this fix, this behavior happens on all project.

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[Edit 1 times, last edit by Dotsch at Dec 6, 2006 7:19:56 AM]

[Dec 6, 2006 7:13:19 AM]

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Re: BOINC 5.7.5 CPU throtteling suspends WU

Have you reported this to the BOINC devs?

[Dec 6, 2006 7:27:46 AM]

Dotsch
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Re: BOINC 5.7.5 CPU throtteling suspends WU

Not in the moment, but I would do this too.
But I think, that this is not a BOINC problem, because David has applied a fix which works for all projects except WCG. Also if I look at the stderr.txt, it looks like a WCG FAAH application releated problem.

[Dec 6, 2006 8:03:44 AM]

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Re: BOINC 5.7.5 CPU throtteling suspends WU

If FAAH works in the stable release and not in the alpha release, then it is a BOINC problem. Of course, WCG will help track down the issue if they can.

[Dec 6, 2006 8:11:55 AM]

Dotsch
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Re: BOINC 5.7.5 CPU throtteling suspends WU

If FAAH works in the stable release and not in the alpha release, then it is a BOINC problem. Of course, WCG will help track down the issue if they can.

No, I think not that is a BOINC releated problem, because the throtteling is a new mechanism which will be tested in the BOINC alpha releases, and it wok on all the other projects, except WCG.
If you look in the crash dump, you see that the WCG application was linked against BOINC 5.4.9. This could also be a problem, because the CPU throtteling was not included in this BOINC release.
So I hope, that the WCG scientists and dev would have a look on the problem.

[Dec 6, 2006 8:48:21 AM]

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Re: BOINC 5.7.5 CPU throtteling suspends WU

Hi Dotsch,
It sounds as though we need to recompile FAAH using the new patched API BOINC library. I will send a note about this, but I suspect that we are so busy that it will take a while. Until farther notice, I suggest that you not run FAAH while you are testing the BOINC alpha build.

Lawrence

[Dec 6, 2006 2:01:40 PM]

Alther
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Re: BOINC 5.7.5 CPU throtteling suspends WU

What version of Mac OS X are you running?

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Rick Alther
Former World Community Grid Developer

[Dec 6, 2006 2:14:55 PM]

Dotsch
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Re: BOINC 5.7.5 CPU throtteling suspends WU

I am not shure, if a recompile is needed. - If I remember correctly, David has written, that the fix is for the BOINC client and a recompile is not needed. I will search for his posting in the mailinglist. But it looks like the fix did not work, so it could be that a relinking could fix the problem.

I have mailed these problem to the BOINC devs mailinglist, too. - Do you read the devs mailinglist ? - If not, I could mail/post you the awnsers.

I am using MacOS 10.4.8.

[Dec 6, 2006 4:14:28 PM]

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Re: BOINC 5.7.5 CPU throtteling suspends WU

Yes, the techs (and I) read the mailing list.

[Dec 6, 2006 6:11:44 PM]

Dotsch
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Re: BOINC 5.7.5 CPU throtteling suspends WU

David has awnsered at the boinc alpha mailinglist.
The problem can also occur at suspends/resumes without CPU throtteling. He has written a new fix for the BOINC API. I am not shure, but it looks like a recompile/relink of the science application is needed.

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[Edit 1 times, last edit by Dotsch at Dec 16, 2006 2:50:45 PM]

[Dec 16, 2006 2:50:13 PM]

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