Messages in this thread |  | | Date | Fri, 16 Feb 2007 22:24:39 +0100 | From | "Michal Piotrowski" <> | Subject | Re: 2.6.20-git13 kernel BUG at /mnt/md0/devel/linux-git/kernel/time/tick-sched.c:168 |
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On 16/02/07, Thomas Gleixner <tglx@linutronix.de> wrote: > 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 ?
Yes.
> > tglx > > >
Regards, Michal
-- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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