linux-kernel - Re: [Bug #14999] possible circular locking dependency detected in rfkill at suspend

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Message-ID: <m1wryed9w0.fsf@fess.ebiederm.org>
Date:	Mon, 15 Feb 2010 03:19:11 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	"Christian Casteyde" <casteyde.christian@...e.fr>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Tejun Heo" <tj@...nel.org>, Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [Bug #14999] possible circular locking dependency detected in rfkill at suspend

"Rafael J. Wysocki" <rjw@...k.pl> writes:

> This message has been generated automatically as a part of a summary report
> of recent regressions.
>
> The following bug entry is on the current list of known regressions
> from 2.6.32.  Please verify if it still should be listed and let the tracking team
> know (either way).
>
>
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=14999
> Subject		: possible circular locking dependency detected in rfkill at suspend
> Submitter	: Christian Casteyde <casteyde.christian@...e.fr>
> Date		: 2010-01-06 21:52 (40 days old)

I have a set of patches to clear up the sysfs lockdep false positives.  
http://lkml.org/lkml/2010/2/11/329

It requires sprinking a bunch of sysfs_attr_init on the few dynamically
allocated sysfs attributes, and I haven't found them all yet.  Otherwise
it seems to be working well.

Greg should pick up those patches shortly and they should be appearing
in linux-next and then ultimately in 2.6.34.

Eric
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