Re: 2.6.21-rc1: known regressions (v2) (part 2)

Michal Piotrowski
2007-02-27T08:35:07Z

Thomas Gleixner napisał(a):
> 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.
>

I can confirm that the bug is fixed (over 20 hours of testing should be enough).

Huge thanks!

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/)