tasks frequently "hang" with CPU at 0%

Message boards : Number crunching : tasks frequently "hang" with CPU at 0%

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Simon Marshall

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Message 22179 - Posted: 10 Aug 2006, 8:33:00 UTC

Hi, I run BOINC with 4 active projects. With Rosetta, I frequently find that a task "hangs" when it is listed as "Running"; CPU usage goes right down and the time shown for the Rosetta task in the BOINC Mgr never increments. The task never finishes. Typically it gets to Progress=~35% when it stops progressing.

If I click on "Show graphics" when the task is "Running", I get a blacked out window. If I try to close the window, I get a "The program is not responding" from windows. If I end the process to complete the close of the graphics window, I get a "Computation error" in the BOINC Mgr for the task.

I recently upgraded to BOINC-5.4.9, but it has made no difference. I do not see this with other project's tasks.

My machine has plenty of power (RAM, etc).

Any ideas?
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tralala

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Message 22212 - Posted: 10 Aug 2006, 18:58:52 UTC

Hi,

it seems a few people are experiencing this problem, for example see this post:
https://boinc.bakerlab.org/rosetta/forum_thread.php?id=1891#22158

However so far the cause for this behaviour is unknown and it seems only a very few people are affected. It would be very helpful if you could attach to RALPH and see whether the problem occurs on RALPH as well (RALPH is the testplatform for Rosetta, ralph.bakerlab.org).
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Message boards : Number crunching : tasks frequently "hang" with CPU at 0%



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