Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [Regression] 2.6.24-git9: RT sched mishandles artswrapper (bisected) | Date | Fri, 1 Feb 2008 03:04:05 +0100 |
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On Friday, 1 of February 2008, Rafael J. Wysocki wrote: > Hi, > > This is related to the problem I reported earlier this week: > http://lkml.org/lkml/2008/1/30/554 > > Apparently artswrapper, run by KDE in openSUSE 10.3 with a real time priority, > is mishandled by the scheduler. The problem is that after the user logs out, > artswrapper stays in TASK_RUNNING forever and prevents other tasks from being > scheduled on the CPU occupied by it. In this state it also breaks suspend and > hibernation (it cannot be frozen). > > Since the problem is 100% reproducible on my test boxes, I carried out a > bisection which turned out the following commit: > > commit 6f505b16425a51270058e4a93441fe64de3dd435 > Author: Peter Zijlstra <a.p.zijlstra@chello.nl> > Date: Fri Jan 25 21:08:30 2008 +0100 > > sched: rt group scheduling > > I'm now checking if the problem disappears after reverting this patch (along a > couple of dependent ones).
Yes, it does.
Please let me know what I can do to debug it further.
Thanks, Rafael
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