Messages in this thread | | | Subject | Re: 2.6.21-rc1: known regressions (v2) (part 2) | From | Thomas Gleixner <> | Date | Tue, 27 Feb 2007 09:21:31 +0100 |
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Adrian,
On Mon, 2007-02-26 at 23:05 +0100, Adrian Bunk wrote: > Subject : kernel BUG at kernel/time/tick-sched.c:168 (CONFIG_NO_HZ) > References : http://lkml.org/lkml/2007/2/16/346 > Submitter : Michal Piotrowski <michal.k.k.piotrowski@gmail.com> > Handled-By : Thomas Gleixner <tglx@linutronix.de> > Status : problem is being debugged
The BUG_ON() was replaced by a warning printk(). The BUG_ON() exposed a problem with the SMT scheduler. See below.
> Subject : BUG: soft lockup detected on CPU#0 > NOHZ: local_softirq_pending 20 (SMT scheduler) > References : http://lkml.org/lkml/2007/2/20/257 > Submitter : Michal Piotrowski <michal.k.k.piotrowski@gmail.com> > Handled-By : Thomas Gleixner <tglx@linutronix.de> > Ingo Molnar <mingo@elte.hu> > Status : problem is being debugged
Patch available, not confirmed yet.
tglx
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