linux-kernel - Re: 2.6.24-rc1 fails with lockup and BUG:

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Message-Id: <1193241191.14314.8.camel@localhost>
Date:	Wed, 24 Oct 2007 17:53:11 +0200
From:	Romano Giannetti <romanol@...omillas.es>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: 2.6.24-rc1 fails with lockup and BUG:

On Wed, 2007-10-24 at 16:27 +0200, Ingo Molnar wrote:

> 
>   CONFIG_PROVE_LOCKING=y
>   CONFIG_DEBUG_LIST=y
>   CONFIG_FRAME_POINTER=y
>   CONFIG_DEBUG_SLAB=y
> 
> and please post the resulting dmesg output - does lockdep notice any 
> lockup reason? (your backtrace suggests some mutex stuff so it might as 
> well detect it)
> 

Done. The results are at: 

http://www.dea.icai.upcomillas.es/romano/linux/info/2624rc1_2/

in the  syslog-after-failed-suspend.txt file. After the failed suspend
(at line 15766) there where the bunch of things in D-state. I have left
the file intact.

At line 17646 there  is:

WARNING: at kernel/lockdep.c:2033 trace_hardirqs_on() 

I waited a bit and then, on an already-opened root shell, did 
s2ram -f -p -m  (line 17811)

and then a lot more things happened, and I am somewhat lost.

Hope this could be useful to you.

Romano 

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