Message-ID: <51250B2D.3040708@candelatech.com> (sfid-20130220_184318_515889_CBD5DCD6)
Date: Wed, 20 Feb 2013 09:43:09 -0800
From: Ben Greear <greearb@candelatech.com>
MIME-Version: 1.0
To: Johannes Berg <johannes@sipsolutions.net>
CC: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: 3.7.6+:  WARNING: at net/mac80211/iface.c:705 ieee80211_do_stop
References: <5112F8D9.5060206@candelatech.com>  (sfid-20130207_014415_868355_33170FE8) <1360327897.29851.21.camel@jlt4.sipsolutions.net>
In-Reply-To: <1360327897.29851.21.camel@jlt4.sipsolutions.net>
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Sender: linux-wireless-owner@vger.kernel.org

On 02/08/2013 04:51 AM, Johannes Berg wrote:
> On Wed, 2013-02-06 at 16:44 -0800, Ben Greear wrote:
>> This came from my patched 3.7.6+ kernel...it has some additional printout for the
>> WDS/flush states, in case that helps any...
>>
>> Doesn't seem to have caused any lasting harm.
>
>> [13051.973344] sta6: authenticate with 00:ab:87:60:10:10
>> [13052.099487] sta6: send auth to 00:ab:87:60:10:10 (try 1/3)
>> [13052.139177] sta6: authenticated
>> [13052.176209] sta6: Invalid WDS/flush state, type: 2  WDS: 5  flushed: 1
>> [13052.193241] ------------[ cut here ]------------
>> [13052.206642] WARNING: at /home/greearb/git/linux-3.7.dev.y/net/mac80211/iface.c:705 ieee80211_do_stop+0x647/0x6a0 [mac80211]()
>
> Humm, ok, I see what happens here ... in ieee80211_do_stop() we flush
> stations first, and then later call ieee80211_mgd_stop(). That should
> clearly be the other way around (also the AP bit there), but I'm not
> entirely sure what to do. Probably just move the ieee80211_mgd_stop()
> call up to the start of the function.

Any further thoughts on this?  If you have a suggested patch to
test I can test it today..I have a test case that reliably reproduces
this currently...

Thanks,
Ben

>
> johannes
>


-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com