Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:39098 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756172AbcBCPll (ORCPT ); Wed, 3 Feb 2016 10:41:41 -0500 Message-ID: <1454514090.3083.8.camel@sipsolutions.net> (sfid-20160203_164148_950693_9A8CEDBC) Subject: Re: ibss.c backtrace when batman-adv adds wireless interface From: Johannes Berg To: Josh Boyer , Larry Finger , Marek Lindner , Kalle Valo , Simon Wunderlich Cc: "linux-wireless@vger.kernel.org" , netdev , b.a.t.m.a.n@lists.open-mesh.org Date: Wed, 03 Feb 2016 16:41:30 +0100 In-Reply-To: (sfid-20160203_162659_997136_8B4E5DC7) References: (sfid-20160203_162659_997136_8B4E5DC7) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, 2016-02-03 at 10:26 -0500, Josh Boyer wrote: > On Wed, Feb 3, 2016 at 10:24 AM, Josh Boyer 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