From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934388AbcIFKK0 (ORCPT ); Tue, 6 Sep 2016 06:10:26 -0400 Received: from server.eikelenboom.it ([91.121.65.215]:40104 "EHLO server.eikelenboom.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932799AbcIFKKZ (ORCPT ); Tue, 6 Sep 2016 06:10:25 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 06 Sep 2016 12:11:05 +0200 From: linux@eikelenboom.it To: Jani Nikula Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [Intel-gfx] Linux =?UTF-8?Q?=34=2E=38-rc=3F=3A=20WARNING=3A?= =?UTF-8?Q?=20at=20drivers/gpu/drm/i=39=31=35/intel=5Fpm=2Ec=3A=37=38=36?= =?UTF-8?Q?=36=20sandybridge=5Fpcode=5Fwrite=20Missing=20switch=20case=20?= =?UTF-8?Q?=28=31=36=29=20in=20gen=36=5Fcheck=5Fmailbox=5Fstatus?= In-Reply-To: <87mvjlxtvs.fsf@intel.com> References: <87mvjlxtvs.fsf@intel.com> Message-ID: <0559153837774abbca155a17ec922ed0@eikelenboom.it> User-Agent: Roundcube Webmail/0.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2016-09-06 11:25, Jani Nikula wrote: > On Tue, 06 Sep 2016, linux@eikelenboom.it wrote: >> L.S., >> >> Since one of the last 4.8 RC's i'm getting the warning below when >> booting on my sandybridge based thinkpad. >> From what it seems the machine still works fine though. > > What does 'lspci -nns 2' say for you? 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09) -- Sander > BR, > Jani. > > >> >> -- >> Sander >> >> [ 2.846265] ------------[ cut here ]------------ >> [ 2.846280] WARNING: CPU: 0 PID: 4 at >> drivers/gpu/drm/i915/intel_pm.c:7866 >> sandybridge_pcode_write+0x104/0x1e0 >> [ 2.846282] Missing switch case (16) in gen6_check_mailbox_status >> [ 2.846284] Modules linked in: >> [ 2.846289] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted >> 4.8.0-rc5-x220-20160905+ #1 >> [ 2.846290] Hardware name: LENOVO 42912ZU/42912ZU, BIOS 8DET69WW >> (1.39 ) 07/18/2013 >> [ 2.846297] Workqueue: events intel_gen6_powersave_work >> [ 2.846302] 0000000000000000 ffffffff8138bd84 ffff88030fd7bd78 >> 0000000000000000 >> [ 2.846305] ffffffff81062d84 ffff88030d490000 ffff88030fd7bdc8 >> 0000000000000000 >> [ 2.846308] ffff88030d49a438 ffff88030d498830 0000000000000000 >> ffffffff81062dea >> [ 2.846309] Call Trace: >> [ 2.846319] [] ? dump_stack+0x5c/0x78 >> [ 2.846324] [] ? __warn+0xb4/0xd0 >> [ 2.846328] [] ? warn_slowpath_fmt+0x4a/0x50 >> [ 2.846333] [] ? >> sandybridge_pcode_write+0x104/0x1e0 >> [ 2.846338] [] ? >> intel_gen6_powersave_work+0x2a3/0x1400 >> [ 2.846344] [] ? process_one_work+0x1ba/0x3d0 >> [ 2.846348] [] ? worker_thread+0x45/0x4e0 >> [ 2.846351] [] ? process_one_work+0x3d0/0x3d0 >> [ 2.846355] [] ? kthread+0xb8/0xd0 >> [ 2.846362] [] ? ret_from_fork+0x1f/0x40 >> [ 2.846365] [] ? kthread_worker_fn+0x180/0x180 >> [ 2.846368] ---[ end trace da7b2ca8a6654bfa ]--- >> _______________________________________________ >> Intel-gfx mailing list >> Intel-gfx@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/intel-gfx