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Date: Mon, 5 Nov 2007 10:47:31 -0800 (PST)
From: Christoph Lameter <clameter@sgi.com>
To: Michael Buesch <mb@bu3sch.de>
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Subject: Re: RFC: Reproducible oops with lockdep on count_matching_names()
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On Mon, 5 Nov 2007, Michael Buesch wrote:

> Hm, I don't really remember. Though, I usually have all almost kernel-hacking
> options enabled.
> I'll check and enable some more.

slub_debug must be specified on the command line. Alternately switch on
CONFIG_SLUB_DEBUG_ON in the .config to force it to be always on.