From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753979AbbL2WF5 (ORCPT ); Tue, 29 Dec 2015 17:05:57 -0500 Received: from mout.gmx.net ([212.227.17.22]:61060 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753613AbbL2WFw (ORCPT ); Tue, 29 Dec 2015 17:05:52 -0500 To: ibm-acpi-devel@lists.sourceforge.net Cc: Linux Kernel From: =?UTF-8?Q?Toralf_F=c3=b6rster?= Subject: crash in acpi_ns_detach_object in 4.3.3 Message-ID: <568303B5.5000609@gmx.de> Date: Tue, 29 Dec 2015 23:05:41 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:xxP+dd8bBALF0bWWOu9jyp/BXeKDLLcsb8V8Px8KrPT3UoijYbX Xu3KE5TM/6hpDR/uoe9v7WhSN2Gun+eCaXk34j83AlklZmxTl+dOgBcU5+Iu9acN2tgIvuL dt1olVOH+rOryTcpQKrQ3JTKEmZFohrK0SG3Tqx/9cVcbS0eQCneUABj03kWJeWKrhhLeXG 9hDg9xJLiQGe92SYIXLpQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:r3qiVbyWbCs=:AbN9SO012eRjnLnLyEagdE LagEQxLXbFG+ZlioJQydRjhzFfLe8Q4QfJmlD1kYQ5bhmtM4nFPiOmtS8cTLrgJNl8GacOaiU 5IRXifVmul2O2Vyjpb64lWb8mCAzPRpQzV1Nap9AREMiYX1q4AutJniUzd3iEG8BuERE9Cj24 4Jgv5W4W6pYq0zrVrwgBd6QUoT8RDYP3Gklba6Y2EfjVubGc2jkE8ae6LeL6rtKcEWYofNjYT maLX4FnoOS6xCrBFmw2Pgf9JkMlVOebXxQ+U8ahxjln6MadkKv2XJDnxZODM03SMLSTHVYMoD z9f6a0M0QunhLIVeFZzqkCFXbsDePac8bUUsmlDlW8aqZt+O7jRgoQKOHQ8NsGMKI7PSKOotE ndaMROfsc+2gpXH3XvAmbkummOt0ZbeVTN2V7jVMSWnN1SUqXMb+qD33LvL+O4UGs8g54dOeE 4vxJeeuIxhZnp0TiA2TEGgn7336IpZJc4oJ+JPe397tW8JC5mK6IBsBRi8yRPCl75Md6eOHoz rf6q8bOCY5B1wY1pT+FkXJ+LpCpNJyTbGf8v7GAgswboJugW85k039uYlKimLHxIQkuPmRcgG E146cSTTHw+DxrFb93ZKTZyQg/dDYlSsZImvqQM3O34CJo8U3FSn5ZGpHHGAafcWED21BQcNc 62cGI+PuJUI8v2Pfwa5Dh9JoH9D+2gMXo+uW+RXySqDTjNktSH7oWku68L1hDmO6gYRFc1VL7 XVk9dBtwrpLeZF+Pg1pPaYplUThxLELJYTzjhupizEalZ2v3PotDGipgXYbEy1y5w6Nh7a3dD TB5w6NR Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The screen shots in [1] and [2] happened after I plugged + unplugged my ThinkPad T440s into/from the docking station. I did that to investigate why after few s2ram / docking cycles the external monitor stays black when docked. This did not happen with 4.1.7, I'm unsure if this was the case with 4.2.7 (always 64 bit hardened Gentoo Linux) When the monitor stays black then the log is full of lines like : ... Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04f14c8] *ERROR* too many voltage retries, give up Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04f14c8] *ERROR* too many voltage retries, give up Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:00 t44 kernel: [drm:ffffffffc04aa7ec] *ERROR* Unclaimed register before interrupt Dec 29 20:22:01 t44 kernel: [drm:ffffffffc04f14c8] *ERROR* too many voltage retries, give up ... but today the crash occurred and the internal speaker was yelp'ing till I pressed the power button. [1] http://www.zwiebeltoralf.de/pub/DSC05736.JPG [2] http://www.zwiebeltoralf.de/pub/DSC05737.JPG -- Toralf, pgp: C4EACDDE 0076E94E