linux-kernel - Re: [Regression, 2.6.36-rc1] ath9k resume problem on Acer Ferrari One

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Date:	Thu, 19 Aug 2010 16:05:07 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Tejun Heo <tj@...nel.org>
Cc:	Luis Rodriguez <lrodriguez@...eros.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Linux-pm mailing list" <linux-pm@...ts.linux-foundation.org>,
	linux-wireless@...r.kernel.org, ath9k-devel@...ema.h4ckr.net,
	Maciej Rutecki <maciej.rutecki@...il.com>
Subject: Re: [Regression, 2.6.36-rc1] ath9k resume problem on Acer Ferrari One

On Thursday, August 19, 2010, Tejun Heo wrote:
> Hello, Rafael.
> 
> On 08/19/2010 12:01 AM, Rafael J. Wysocki wrote:
> > While testing 2.6.36-rc1 (with a couple of fixes on top) I noticed
> > that the ath9k driver didn't work after resume from suspend to RAM.
> > An attempt to unload the driver using rmmod caused the BUG_ON() in
> > kernel/workqueue.c:2844 to trigger.
> 
> That BUG_ON() triggers if destroy_workqueue() is called while work
> items are still pending on the workqueue.  Can you please trigger
> stack traces after resume and post it?

Do you mean sysrq-t?

Rafael
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