On Fri, 2008-02-01 at 03:04 +0100, Rafael J. Wysocki wrote: > 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 <[EMAIL PROTECTED]> > > 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.
It arts run as root, or does it use RLIMIT_RTPRIO to allow users to execute realtime tasks? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
