netdev - Re: Wireless regression in workqueue: use mod_delayed_work() instead of _

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Message-ID: <alpine.DEB.2.00.1211281016320.26602@dr-wily.mit.edu>
Date:	Wed, 28 Nov 2012 10:17:28 -0500 (EST)
From:	Anders Kaseorg <andersk@....EDU>
To:	Tejun Heo <tj@...nel.org>,
	Herbert Xu <herbert@...dor.hengli.com.au>,
	"John W. Linville" <linville@...driver.com>
cc:	netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Wireless regression in workqueue: use mod_delayed_work() instead
 of __cancel + queue

On Wed, 28 Nov 2012, Anders Kaseorg wrote:
> My Intel 6250 wireless card (iwldvm) can no longer associate with a 
> WPA-Enterprise network (PEAP-MSCHAPv2).  To my surprise, I bisected this 
> regression to commit e7c2f967445dd2041f0f8e3179cca22bb8bb7f79, 
> workqueue: use mod_delayed_work() instead of __cancel + queue.
> 
> A bunch of logs collected by Ubuntu apport are in this bug report: 
>   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1083980
> 
> How can I help to debug this?
> 
> I see that someone else reported another regression with the same commit 
> last week, although this looks unrelated at first glance: 
>   http://thread.gmane.org/gmane.linux.kernel/1395938
> 
> Anders

(Oops, re-sending to fix a typo in the LKML address.)

Anders
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