linux-kernel - Re: Oops when accessing /proc/lockdep

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Message-ID: <20080806124134.GA3615@alice>
Date:	Wed, 6 Aug 2008 14:41:34 +0200
From:	Eric Sesterhenn <snakebyte@....de>
To:	linux-kernel@...r.kernel.org
Cc:	peterz@...radead.org, mingo@...hat.com
Subject: Re: Oops when accessing /proc/lockdep_chains

* Eric Sesterhenn (snakebyte@....de) wrote:
> hi,
> 
> with current -git (aka -rc2) i sometime get the following oops
> when doing a cat /proc/lockdep_chains
> The other /proc/lockdep* files dont cause any errors
> 
> I dont get it after a fresh reboot :| But was able to reproduce it when
> running my testscripts, I'll try to narrow it down.

I can easily reproduce this with

modprobe rcutorture; sleep 10s; rmmod rcutorture; cat
/proc/lockdep_chains > /dev/null

Greetings, Eric
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