Return-path: Received: from mail-yw0-f180.google.com ([209.85.161.180]:34875 "EHLO mail-yw0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759393AbdACPlo (ORCPT ); Tue, 3 Jan 2017 10:41:44 -0500 Received: by mail-yw0-f180.google.com with SMTP id v81so189222158ywb.2 for ; Tue, 03 Jan 2017 07:41:44 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <942b4775-6027-2b99-84c7-37b7cde124b9@au1.ibm.com> References: <2029482.jt8IarKZJs@calvin> <942b4775-6027-2b99-84c7-37b7cde124b9@au1.ibm.com> From: Alexander Morozov Date: Tue, 3 Jan 2017 07:41:43 -0800 Message-ID: (sfid-20170103_164256_538038_4306C7CB) Subject: Re: kernel 4.9 iwlwifi startup error To: Andrew Donnellan Cc: Fabio Coatti , LKML , "linux-wireless@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: I have a similar problem on Gentoo. But in my case, it just can't load firmware: "no suitable firmware found". I've tried to reinstall firmware with no luck. Everything is ok with 4.8.6. On Mon, Jan 2, 2017 at 6:42 PM, 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. > > -- > Andrew Donnellan OzLabs, ADL Canberra > andrew.donnellan@au1.ibm.com IBM Australia Limited >