BURP not respecting other project slots

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Message 971 - Posted: 12 May 2005, 15:28:49 UTC

Interesting stuff.

<a href="http://pirates.vassar.edu/forum_thread.php?id=378">http://pirates.vassar.edu/forum_thread.php?id=378</a>

<a href="http://predictor.scripps.edu/forum_thread.php?id=1631">http://predictor.scripps.edu/forum_thread.php?id=1631</a>
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Message 973 - Posted: 12 May 2005, 16:34:40 UTC - in response to Message 971.  
Last modified: 12 May 2005, 16:35:41 UTC

Thanks for bringing this up.

BURP does not, I repeat NOT, work well with other projects. Running BURP (or any other pre-alpha stage project) alongside with other projects is like asking for trouble.

Basicly the client ignores any requests to suspend, resume or quit since that part of the client simply hasn't been written yet.

How the stderr output can end up with other projects is a mystery to me, but it only emphasizes this further: BURP does not work well with other projects at the moment, period.
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Message 974 - Posted: 12 May 2005, 21:29:49 UTC - in response to Message 973.  

<blockquote>How the stderr output can end up with other projects is a mystery to me, but it only emphasizes this further: BURP does not work well with other projects at the moment, period.</blockquote>

It could relate how corrupted the Windows swap file is and how it is writing the swap file. I have no idea as to how often people reboot their systems but if I let mine run for 4 or 5 days without a reboot, I begin to get some strange things that occur in saving files due to swap file corruption. This is just an observation on my part from what I've experienced but maybe something is in it that can help.

I run 4 other projects and haven't had this problem yet as far as BURP goes. I had thought that the suspend and resume issues had been corrected as I had forgot to suspend all other projects when doing BURP on the 127 test and it switched in the middle of a BURP WU to a SETI WU. I suspended SETI at that point and it went back to BURP and no issues on either the BURP WU or the SETI WU and both uploaded fine without errors. BURP did <i>appear</i> to stop and pick up where it left off but I say again, it appeared that way to me. My PC had been recently rebooted a couple of hours prior to this occurring.

I have had an Einstein WU corrupt a SETI WU in the past and the PC was up for at least 4 days at that point with no reboot. From what I can see, swap files become corrupted and eventually write dirty data especially if the programs save things in memory and it is pushed out partially and brought back in a few times due to the swap file being full from using the computer for things other than just for BOINC applications.

BOINC 4.36 / Win XP Home 2 / 512 memory / AMD Thunderbird 1200mhz

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Message 975 - Posted: 13 May 2005, 6:24:19 UTC

Apparently BURP is leaving some files in the slot after the BURP WU is reported. Later when the slot is used for another project it gets confused and it ends up looking like BURP stole the other projects output.

Thats how it reads to me. Not a professional opinion.

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Message 976 - Posted: 13 May 2005, 9:19:19 UTC

There was a bug in the directory clean up routine. It should be fixed in 4.41.
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Message 1484 - Posted: 5 Aug 2005, 2:20:55 UTC - in response to Message 976.  

There was a bug in the directory clean up routine. It should be fixed in 4.41.

4.41? If this is really the version number, it is still happening. The problem is that after WU completion, blender.exe is still running in the slot, and therefore cannot be deleted.


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Message 1486 - Posted: 5 Aug 2005, 14:30:41 UTC - in response to Message 1485.  

There was a bug in the directory clean up routine. It should be fixed in 4.41.

4.41? If this is really the version number, it is still happening. The problem is that after WU completion, blender.exe is still running in the slot, and therefore cannot be deleted.

Different bug. The one fixed in CCv4.41 allowed directories and files that began with '.' to be deleted.
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Message 1746 - Posted: 6 Oct 2005, 13:14:14 UTC

slot clean-up is still problematic.
http://predictor.scripps.edu/result.php?resultid=6484456

after a number of hours blender.exe was still running, even though there was no more work for BURP.
due to blender.exe not exiting properly, BOINC is unable to clean out the slot previously occupied by BURP/blender, because the files are still in use.
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Message 1747 - Posted: 7 Oct 2005, 6:05:39 UTC - in response to Message 1746.  

When this happens could you please check the stdout files in the directory, I haven't got any clue to what could cause blender.exe to continue to run outside the BOINC environment.
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Message 1751 - Posted: 8 Oct 2005, 13:15:10 UTC - in response to Message 1747.  

When this happens could you please check the stdout files in the directory, I haven't got any clue to what could cause blender.exe to continue to run outside the BOINC environment.

I'll zip up the slots next time it happens, just let us know in advance when the next run will be ;)
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Message 1846 - Posted: 1 Nov 2005, 20:47:17 UTC

blender.exe was still running, over an hour after the last result was reported.
again results from another project have been \"processed\" by Blender and reported as computational errors to the other project.
Strangely enough, it happened only one of my hosts, not all of them.
BURP host 8863
example \"Blended\" Predictor result

zip-files:
offending slot
stdoutdae.txt/stderrdae.txt
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Message 1849 - Posted: 1 Nov 2005, 21:34:50 UTC
Last modified: 1 Nov 2005, 21:36:11 UTC

Wow! Madness...

Thanks for the very comprehensive debug info, this is absolutely crazy.
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Message 1880 - Posted: 4 Nov 2005, 14:59:55 UTC

OK... I accidentally found one such result in PrimeGrid - I was going through the log of erroneous results retuned, and bang!:
http://www.primegrid.com/orig/result.php?resultid=340859
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Message 1890 - Posted: 6 Nov 2005, 12:13:45 UTC

Hi Janus,

You any idea when you will be able to fix the Blender so that it stops when it is supposed to and lets other projects run there WU\'s correctly??
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Message 1891 - Posted: 6 Nov 2005, 15:34:02 UTC
Last modified: 6 Nov 2005, 15:41:52 UTC

I think I have the issue narrowed down pretty well now so it\'s hopefully \"just\" a matter of recoding the main loop in the client to be much faster and more reponsive.
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Message 1892 - Posted: 6 Nov 2005, 16:36:25 UTC

thanks for the Quick response
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Message 1959 - Posted: 21 Nov 2005, 22:57:57 UTC - in response to Message 1891.  

I think I have the issue narrowed down pretty well now so it\'s hopefully \"just\" a matter of recoding the main loop in the client to be much faster and more reponsive.

any updates?
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Message 1970 - Posted: 23 Nov 2005, 17:33:38 UTC - in response to Message 1959.  
Last modified: 23 Nov 2005, 17:34:07 UTC

any updates?

Not really, sorry, currently focus is on the mirrors as well as getting the GUI for CATS working.
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Message 1973 - Posted: 23 Nov 2005, 19:21:25 UTC - in response to Message 1970.  

any updates?

Not really, sorry, currently focus is on the mirrors as well as getting the GUI for CATS working.

not the update I was hoping for, but an update nonetheless ;)

thanks
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Message 1974 - Posted: 23 Nov 2005, 19:25:44 UTC

It hardly makes a differance for now as BURP isn\'t really sending out any WU\'s with any luck it will be fixed before it starts sending out WU\'s again
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Message boards : Client : BURP not respecting other project slots