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Date: Mon, 5 Nov 2007 14:23:50 +0200
From: "Pekka Enberg" <penberg@cs.helsinki.fi>
To: "Peter Zijlstra" <peterz@infradead.org>
Subject: Re: RFC: Reproducible oops with lockdep on count_matching_names()
Cc: "Michael Buesch" <mb@bu3sch.de>,
	"Luis R. Rodriguez" <mcgrof@gmail.com>,
	"Michael Wu" <flamingice@sourmilk.net>,
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	"Ingo Molnar" <mingo@redhat.com>,
	"Johannes Berg" <johannes@sipsolutions.net>,
	linux-kernel@vger.kernel.org, "Michael Chan" <mchan@broadcom.com>,
	netdev@vger.kernel.org, "Christoph Lameter" <clameter@sgi.com>
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Hi Michael,

On Sat, 2007-11-03 at 21:06 +0100, Michael Buesch wrote:
> Who is responsible for slab btw?
> I mean, someone should be interested in getting this bug fixed. :)
> When using slab I see random corruptions. I think related to rmmod, but
> I'm not sure. I don't see this with slub.

Is CONFIG_DEBUG_SLAB enabled? Usually these kind of random corruptions
are caused by someone passing a bad pointer to kfree() or
kmem_cache_free().

                                  Pekka