linux-kernel - Re: 2.6.20-git15 BUG: soft lockup detected on CPU#0!

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Date:	Mon, 26 Feb 2007 14:01:33 +0100
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	tglx@...utronix.de
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"Michal Piotrowski" <michal.k.k.piotrowski@...glemail.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.20-git15 BUG: soft lockup detected on CPU#0! - timers?

On 25/02/07, Thomas Gleixner <tglx@...utronix.de> wrote:
> Michal,
>
> On Sat, 2007-02-24 at 23:45 +0100, Michal Piotrowski wrote:
> > Here is a dmesg after over 25 hours of uptime
> > http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.21-rc1/git-dmesg3
> > nothing new.
>
> can you please turn off CONFIG_SCHED_SMT ? It seems all reports have one
> thing in common:
>
> CPU == P4 and CONFIG_SCHED_SMT turned on.
>
>         tglx
>
>
>

Ok, I think that this is a SMT scheduler problem.

System works fine for fifteen hours.

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/)
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