linux-kernel - Re: 2.6.26-rc5: SLUB debug, lockdep warning...

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Message-ID: <19f34abd0806141423m18e35f29qb736d44460d70785@mail.gmail.com>
Date:	Sat, 14 Jun 2008 23:23:35 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Daniel J Blueman" <daniel.blueman@...il.com>
Cc:	"Christoph Lameter" <clameter@....com>,
	"Linux Kernel" <linux-kernel@...r.kernel.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"Ingo Molnar" <mingo@...e.hu>,
	"Pekka Enberg" <penberg@...helsinki.fi>
Subject: Re: 2.6.26-rc5: SLUB debug, lockdep warning...

On Sat, Jun 14, 2008 at 12:54 PM, Daniel J Blueman
<daniel.blueman@...il.com> wrote:
> When enabling lockdep + SLUB debugging, I spotted this recursive
> lock-acquisition warning [1] when booting, however it doesn't always
> pop out.

This seems to be the work of

commit 3ac7fe5a4aab409bd5674d0b070bce97f9d20872
Author: Thomas Gleixner <tglx@...utronix.de>
Date:   Wed Apr 30 00:55:01 2008 -0700

    infrastructure to debug (dynamic) objects

...which by the way changed SLUB without any SOBs from any of the SLUB
maintainers?

Anyway, adding some Ccs.

>
> Let me know if you need further information etc.

Exact kernel version and your config file would be useful (please post
it online somewhere if possible). Thanks!


Vegard

-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036
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