From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikolaus Rath Subject: Re: Help with debugging intermittent crash on resume from hibernation Date: Thu, 19 Mar 2015 20:21:04 -0700 Message-ID: <87vbhwwdzz.fsf@vostro.rath.org> References: <8761a3s1vq.fsf@vostro.rath.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from ebox.rath.org ([23.92.25.96]:43375 "EHLO ebox.rath.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751676AbbCTDVG convert rfc822-to-8bit (ORCPT ); Thu, 19 Mar 2015 23:21:06 -0400 In-Reply-To: <8761a3s1vq.fsf@vostro.rath.org> (Nikolaus Rath's message of "Fri, 13 Mar 2015 20:02:45 -0700") Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org Cc: linux-kernel@vger.kernel.org On Mar 13 2015, Nikolaus Rath wrote: > Hello, > > In about one out of 10 resumes from hibernation, my system resets aft= er > 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=3DttyS0,115200n8 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 d= o to get more debugging information? Thanks, -Nikolaus --=20 GPG encrypted emails preferred. Key id: 0xD113FCAC3C4E599F =46ingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F =C2=BBTime flies like an arrow, fruit flies like a Banana.= =C2=AB -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751713AbbCTDVI (ORCPT ); Thu, 19 Mar 2015 23:21:08 -0400 Received: from ebox.rath.org ([23.92.25.96]:43375 "EHLO ebox.rath.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751676AbbCTDVG convert rfc822-to-8bit (ORCPT ); Thu, 19 Mar 2015 23:21:06 -0400 From: Nikolaus Rath To: linux-acpi@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: Re: Help with debugging intermittent crash on resume from hibernation References: <8761a3s1vq.fsf@vostro.rath.org> Mail-Followup-To: linux-acpi , linux-kernel , Nikolaus@rath.org Mail-Copies-To: poster Date: Thu, 19 Mar 2015 20:21:04 -0700 In-Reply-To: <8761a3s1vq.fsf@vostro.rath.org> (Nikolaus Rath's message of "Fri, 13 Mar 2015 20:02:45 -0700") Message-ID: <87vbhwwdzz.fsf@vostro.rath.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- GPG encrypted emails preferred. Key id: 0xD113FCAC3C4E599F Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F »Time flies like an arrow, fruit flies like a Banana.«