netdev - Re: d80211 deadlock with wpa

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Message-Id: <1184363116.3928.4.camel@johannes.berg>
Date:	Fri, 13 Jul 2007 23:45:16 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	seventh guardian <seventhguardian@...il.com>
Cc:	netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
	"John W. Linville" <linville@...driver.com>
Subject: Re: d80211 deadlock with wpa_supplicant and rmmod

On Fri, 2007-07-13 at 13:05 +0100, seventh guardian wrote:

> Hello, sorry for the delay but I only managed to try it out today..
> I've applied the patch and tortured the system as far as I could, and
> no hang at all :)
> 
> I've read the thread and it apparently replaces one bad problem for a
> lesser one, so I understand if it's not applied.. But at least there
> is a place in the code to point as the culprit :)

It definitely should be applied anyway :) I guess John just hasn't
caught up with all threads yet.

John: This is about the patch in the "mac80211/bcm43xx deadlock" thread
from Michael, it kills some rtnl_lock()/unlock() that causes this
deadlock.

johannes

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