On Fri, 2007-02-16 at 21:38 +0100, Michal Piotrowski wrote:
> Hi,
>
> This looks like a tickless stuff
Yup.
> 0xc0139ea0 is in tick_nohz_stop_sched_tick (/mnt/md0/devel/linux-git/kernel/time/tick-sched.c:168).
> 163
> 164 if (need_resched())
> 165 goto end;
> 166
> 167 cpu = smp_processor_id();
> 168 BUG_ON(local_softirq_pending());
Hmm, the BUG_ON is inside of an interrupt disabled region, so we should
have bailed out early in the need_resched() check above (because we are
in the idle task context according to the stack trace).
Is this reproducible ?
tglx
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