From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966577AbdAJI1E (ORCPT ); Tue, 10 Jan 2017 03:27:04 -0500 Received: from paleale.coelho.fi ([176.9.41.70]:34204 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754157AbdAJI1C (ORCPT ); Tue, 10 Jan 2017 03:27:02 -0500 Message-ID: <1484036818.5227.48.camel@coelho.fi> From: Luca Coelho To: Fabio Coatti Cc: Andrew Donnellan , LKML , "linux-wireless@vger.kernel.org" , linuxwifi Date: Tue, 10 Jan 2017 10:26:58 +0200 In-Reply-To: <2231220.vMvt4J1trM@calvin> References: <2029482.jt8IarKZJs@calvin> <942b4775-6027-2b99-84c7-37b7cde124b9@au1.ibm.com> <1484000511.5227.33.camel@coelho.fi> <2231220.vMvt4J1trM@calvin> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.3-1 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 91.156.4.241 X-SA-Exim-Mail-From: luca@coelho.fi Subject: Re: kernel 4.9 iwlwifi startup error X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on farmhouse.coelho.fi) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2017-01-10 at 09:21 +0100, Fabio Coatti wrote: > In data martedì 10 gennaio 2017 00:21:51 CET, Luca Coelho ha scritto: > > On Tue, 2017-01-03 at 13:42 +1100, Andrew Donnellan wrote: > > > On 02/01/17 21:12, Fabio Coatti wrote: > > > > Hi all, > > > > I'm using kernel 4.9 and maybe half of the times I boot my laptop I get > > > > the > > > > error reported below, and the wifi does not work. I have to remove > > > > iwlwifi (like modprobe -r iwldvm iwlwifi) and insert it again to get > > > > things workig again. This seems a bit random, it does not happens all > > > > the times so it could be a timing issue or even a flaky hardware > > > > (unlikely, as I see only this issue with wifi, once it starts it works > > > > just fine) > > > > I'm pretty sure to have seen the same behaviour at some point in 4.8.X > > > > release, but right now I lost the related notes. > > > > Environment: > > > > Distro: gentoo > > > > gcc 5.4.0 > > > > HW: Hewlett-Packard HP EliteBook Folio 9470m/18DF, BIOS 68IBD Ver. F.63 > > > > 04/26/2016 > > > > Intel(R) Core(TM) i5-3427U CPU @ 1.80GHz > > > > Network controller: Intel Corporation Centrino Advanced-N 6235 (rev 24) > > > > > > > > Of course if more info is needed, just drop me a note. > > > > > > > > I'm not subscribed to mailing lists, so please keep me in CC: for any > > > > information request. > > > > > > > > Many thanks. > > > > > > I've so far seen this once on my laptop, a Samsung NP540U3C (don't have > > > it with me right now, so I'm not sure what the wifi chipset is), running > > > with a Debian 4.9 kernel. > > > > This bug has already been reported in bugzilla: > > > > https://bugzilla.kernel.org/show_bug.cgi?id=190281 > > > > Did you have any problems with older kernel versions? If so, would it be > > possible for you to bisect? > > > Well, it happens on a laptop that I use quite intensively, so it will take > some time to bisect. However, in the meantime I checked the old logs and the > first recorded occurrence happened with 4.8.10 release and firmware version > 18.168.6.1 Thanks! Let's continue tracking this in bugzilla. -- Cheers, Luca.