linux-kernel - Re: BUG: scheduling while atomic: ifconfig/0x00000002/4170

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Message-ID: <20070906082301.GB21929@gondor.apana.org.au>
Date:	Thu, 6 Sep 2007 16:23:01 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Satyam Sharma <satyam@...radead.org>
Cc:	Florian Lohoff <flo@...822.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Netdev <netdev@...r.kernel.org>, linux-wireless@...r.kernel.org,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	ipw3945-devel@...ts.sourceforge.net, yi.zhu@...el.com
Subject: Re: BUG: scheduling while atomic: ifconfig/0x00000002/4170

On Thu, Sep 06, 2007 at 10:32:33AM +0530, Satyam Sharma wrote:
> 
> > > [  382.529041]  [<c02c8abc>] dev_close+0x24/0x67
> > > [  382.529052]  [<e01f402b>] ieee80211_master_stop+0x4a/0x6d [mac80211]

This is where the bug is.  You cannot call dev_close from an
atomic context as i33380211_master_stop does it within spin
locks.

Cheers,
-- 
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