Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23

From: Ingo Molnar
Date: Wed Nov 10 2004 - 09:16:46 EST

* Karsten Wiese <annabellesgarden@xxxxxxxx> wrote:

> Hi
> On SMP/HT/P4 I get:
> BUG: lock held at task exit time!

> sh/5429: BUG in __up_mutex at /home/ka/kernel/2.6/linux-2.6.9-rc1-mm3-RT/kernel/rt.c:1064
> BUG: sleeping function called from invalid context sh(5429) at /home/ka/kernel/2.6/linux-2.6.9-rc1-mm3-RT/kernel/rt.c:1314
> in_atomic():1 [00000003], irqs_disabled():0

hm, apparently something leaked a BKL count. Unfortunately we dont know
precisely what did it, only that it happened. Did this happen during
bootup, or during normal use. Can you trigger it arbitrarily?

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