linux-kernel - Re: [PATCH] lockdep: lockdep_depth vs. debug_locks Re: [2.6.20] BUG: workqueue leaked lock

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Date:	Thu, 22 Mar 2007 08:23:02 +0100
From:	Jarek Poplawski <jarkao2@...pl>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Oleg Nesterov <oleg@...sign.ru>, Neil Brown <neilb@...e.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Folkert van Heusden <folkert@...heusden.com>,
	linux-kernel@...r.kernel.org,
	"J\. Bruce Fields" <bfields@...ldses.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] lockdep: lockdep_depth vs. debug_locks Re: [2.6.20] BUG: workqueue leaked lock

On Thu, Mar 22, 2007 at 08:06:44AM +0100, Jarek Poplawski wrote:
...
> This should definitely solve this problem - as it was said
> a few times before lockdep stops registering locks after
> a bug, so even the lock which caused the warning isn't
> reported. Here lockdep found a bug in a workqueue function,

More precisely:

lockdep found a bug during a run of workqueue function - this
could be also caused by a bug from other code running
simultaneusly.

Jarek P.
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