linux-kernel - Re: 2.6.33-rc3 -- INFO: possible recursive locking -- (s_active){++++.+}, at: [<c10d2941>] sysfs_hash_and

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Message-ID: <m1k4vl9yct.fsf@fess.ebiederm.org>
Date:	Wed, 13 Jan 2010 19:09:06 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Miles Lane <miles.lane@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Américo Wang <xiyou.wangcong@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	Arjan van de Ven <arjan@...radead.org>,
	Tejun Heo <tj@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: 2.6.33-rc3 -- INFO: possible recursive locking --  (s_active){++++.+}, at: [<c10d2941>] sysfs_hash_and_remove+0x3d/0x4f

Miles Lane <miles.lane@...il.com> writes:

> Hmm.  I tried your patch applied to a clean 2.6.33-rc4 tree, and used
> the same .config file.  This time the INFO looks a lot like my
> original bug report.  Weird.  Maybe I am doing something wrong!

I agree weird.  Either you don't have my patch working correctly or I
talk a good good game but I don't have a clue about lockdep
subclasses.

Grrr.

Now to see if I can find some time to dig into this.  Thank you very
much for testing.

Eric

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