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Date:	Wed, 11 Nov 2009 22:44:35 +0100
From:	Oliver Neukum <oliver@...kum.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Marcel Holtmann <marcel@...tmann.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Mike Galbraith <efault@....de>, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Greg KH <gregkh@...e.de>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Tejun Heo <tj@...nel.org>, Oleg Nesterov <oleg@...hat.com>,
	linux-bluetooth@...r.kernel.org
Subject: Re: GPF in run_workqueue()/list_del_init(cwq->worklist.next) on resume (was: Re: Help needed: Resume problems in 2.6.32-rc, perhaps related to preempt_count leakage in keventd)

Am Mittwoch, 11. November 2009 22:38:08 schrieb Linus Torvalds:
> On Wed, 11 Nov 2009, Oliver Neukum wrote:
> > Yes, btusb_close() needs to cancel the waker workqueue, too.
> > In addition, in order to avoid a memory leak it must call
> > usb_scuttle_anchored_urbs(&data->deferred)
> > to make sure any deferred data is destroyed.
> 
> Ok. I committed the one-liner patch to fix the oops (confirmed by Rafael),
> but I'm leaving the memory leak for you as I'm not going to commit some
> untested patch at this stage.
> 
> Thanks to everybody involved, I was personally very nervous that this was
> something much more fundamental (we've had some scary bugs during the
> 32-rc series), and am relieved that it was "just" a silly driver bug.

Thanks. A patch is in the works.

	Regards
		Oliver
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