"Stuck" ATI WUs

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Message 1398677 - Posted: 4 Aug 2013, 16:44:33 UTC

Sometimes I see WUs stuck and they keep running for hours on end. I have to manually abort them. I know some WUs are longer than others, but hese WUs can run for 12 hours or more with only 80% completion. I'm running 3 WUs on a HD 6850, using anonymous platform from Lunatics using latest ATI drivers.

Anybody else have the same problem?
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Message 1398701 - Posted: 4 Aug 2013, 17:39:13 UTC - in response to Message 1398677.  

I had the same problem when using Lunatics ATI. The last was maybe 2 weeks ago.
But I didn't abort them, I just stopped their execution, then resumed. So you don't loose all the elapsed time, only a part of it. This works also!
Observation: Some seconds after resuming both - elapsed and remaining time - were modified i.e. became much smaller and then the WU was finished normally.
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Message 1398724 - Posted: 4 Aug 2013, 20:22:19 UTC

Have you freed a CPU core ?
Its very important especially with a AMD CPU.



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Message 1398730 - Posted: 4 Aug 2013, 20:38:40 UTC - in response to Message 1398724.  

Have you freed a CPU core ?
Its very important especially with a AMD CPU.


I did just before posting this thread. Didn't think freeing up a CPU was necessary due to the low CPU allocation BOINC gives to these WUs (about 0.04).

I'll try suspending/resuming like Mike suggested next time. Hopefully the freeing of a core will fix the issue.
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Message 1398802 - Posted: 5 Aug 2013, 3:39:47 UTC - in response to Message 1398730.  

freeing up a cpu core or 2 will allow the GPU to freely load the tasks which will more than make up for the idle CPU cores


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Message 1398963 - Posted: 5 Aug 2013, 13:50:29 UTC
Last modified: 5 Aug 2013, 13:50:44 UTC

Still getting these stuck WUs, the last ones were around 50% completion after 15 hours! I just suspended these.
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Message 1398970 - Posted: 5 Aug 2013, 13:55:41 UTC - in response to Message 1398963.  

Still getting these stuck WUs, the last ones were around 50% completion after 15 hours! I just suspended these.

Check in system log if you had videodriver restarts recently.
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Message boards : Number crunching : "Stuck" ATI WUs


 
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