netdev - Re: ibss.c backtrace when batman-adv adds wireless interface

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Message-ID: <1454514090.3083.8.camel@sipsolutions.net>
Date:	Wed, 03 Feb 2016 16:41:30 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Josh Boyer <jwboyer@...oraproject.org>,
	Larry Finger <Larry.Finger@...inger.net>,
	Marek Lindner <mareklindner@...mailbox.ch>,
	Kalle Valo <kvalo@...eaurora.org>,
	Simon Wunderlich <sw@...onwunderlich.de>
Cc:	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>, b.a.t.m.a.n@...ts.open-mesh.org
Subject: Re: ibss.c backtrace when batman-adv adds wireless interface

On Wed, 2016-02-03 at 10:26 -0500, Josh Boyer wrote:
> On Wed, Feb 3, 2016 at 10:24 AM, Josh Boyer <jwboyer@...oraproject.or
> g> wrote:
> > Hi All,
> > 
> > We've had a user report the backtrace below when loading batman-adv 
> > on
> > his machine.  It looks like the cfg80211 layer is complaining about
> > a
> > null bss returned, but I cannot tell if the rtlwifi driver or
> > batman-adv is in error here.
> > 
> > Thoughts?
> 
> Sorry, forgot to include the link to the actual bug report:
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1304428
> 
> Reporter says this is new with 4.3.y and did not happen on e.g.
> 4.2.8.
> 

AFAICT this should be a driver (or perhaps mac80211) issue, but I don't
see any information about the driver used.

johannes