From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506AbbCTD53 (ORCPT ); Thu, 19 Mar 2015 23:57:29 -0400 Received: from mail-wi0-f173.google.com ([209.85.212.173]:34200 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751064AbbCTD5E (ORCPT ); Thu, 19 Mar 2015 23:57:04 -0400 Message-ID: <1426823821.3150.4.camel@gmail.com> Subject: Re: Help with debugging intermittent crash on resume from hibernation From: Mike Galbraith To: Nikolaus Rath Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, "Rafael J. Wysocki" , Pavel Machek Date: Fri, 20 Mar 2015 04:57:01 +0100 In-Reply-To: <87vbhwwdzz.fsf@vostro.rath.org> References: <8761a3s1vq.fsf@vostro.rath.org> <87vbhwwdzz.fsf@vostro.rath.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.11 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org (+CC) On Thu, 2015-03-19 at 20:21 -0700, Nikolaus Rath wrote: > On Mar 13 2015, Nikolaus Rath wrote: > > Hello, > > > > In about one out of 10 resumes from hibernation, my system resets after > > the hibernation image has been loaded. I am hibernating using > > > > # echo platform > /sys/power/disk > > # echo disk > /sys/power/state > > > > When testing hibernation using > > > > # echo core > /sys/power/pm_test > > # echo platform > /sys/power/disk > > # echo disk > /sys/power/state > > > > I was not able to produce the same failure. > > > > I then tried attaching a serial console and booted with > > console=ttyS0,115200n8 no_console_suspend. For the failed attempt, the > > last messages before the reset are: > [...] > > I reproduced the same problem with 4.0.0-rc3. Is there anything I can do > to get more debugging information? > > Thanks, > -Nikolaus >