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From: Jiri Olsa <olsajiri@gmail.com>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org,
	Nadia Derbey <Nadia.Derbey@bull.net>,
	peifferp@gmail.com
Subject: Re: [BUG] soft lockup detected with ipcs
Date: Mon, 03 Mar 2008 13:38:04 +0100	[thread overview]
Message-ID: <47CBF12C.2070506@gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0803031324200.15209@jikos.suse.cz>

Jiri Kosina wrote:
> On Mon, 3 Mar 2008, Jiri Olsa wrote:
> 
>> ipcs.kernel.out.1 is the kernel log from the time strace ipcs was done.
>> ipcs.kernel.out.2 is from the next run of ipcs that stuck,
>> there's no overlay between those logs.
>> When the kernel freeze I'm getting logs with the spinlock lockup.. and it's repeating.
> 
> Thanks. Have you tried turning lockdep off, if that still triggers?
> 
> Aparently the first BUG leaves the spin lock locked, and all subsequent 
> accessess to it lock the machine hard. We'll need to see what goes wrong 
> inside lockdep.
> 
> Could you please run
> 
> 	addr2line -e vmlinux c0133034
> 
> (passing the path to the vmlinux binary of the crashing kernel to the -e 
> parameter).
> 

I've rebuilt the kernel meanwhile, so dont know how accurate this output is:

/home/jirka/xxx/kernel/linux-2.6-stable/include/asm/atomic_32.h:97

Anyway, I'll run the test again with your patch, and then we can run the addrline again...
I'll try to turn the lockdep off as well.

  reply	other threads:[~2008-03-03 12:38 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-29 10:46 Jiri Olsa
2008-02-29 10:57 ` Andrew Morton
2008-02-29 11:01   ` Jiri Olsa
2008-02-29 11:29     ` Andrew Morton
2008-02-29 11:35       ` Jiri Olsa
2008-02-29 11:43 ` Jiri Kosina
2008-03-02 17:45   ` Jiri Olsa
2008-03-02 20:02     ` Andrew Morton
2008-03-02 21:23       ` Jiri Kosina
2008-03-02 21:26         ` Jiri Kosina
2008-03-03 12:00           ` Jiri Olsa
2008-03-03 12:06             ` Jiri Kosina
2008-03-03 12:19               ` Jiri Olsa
2008-03-03 12:28                 ` Jiri Kosina
2008-03-03 12:38                   ` Jiri Olsa [this message]
2008-03-03 14:04                     ` Jiri Olsa
2008-03-03 14:45                       ` Jiri Kosina
2008-03-04  9:56                         ` Jiri Olsa
2008-03-04 12:57                           ` Jiri Olsa

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