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

From: Michal Piotrowski <[email-masked]>
Date: Tue, 27 Feb 2007 09:33:53 +0100

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 <[email-masked]>
>> Handled-By : Thomas Gleixner <[email-masked]>
>> 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 <[email-masked]>
>> Handled-By : Thomas Gleixner <[email-masked]>
>>              Ingo Molnar <[email-masked]>
>> 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/)