From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752474AbZISWI5 (ORCPT ); Sat, 19 Sep 2009 18:08:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751026AbZISWI5 (ORCPT ); Sat, 19 Sep 2009 18:08:57 -0400 Received: from mail-fx0-f216.google.com ([209.85.220.216]:45702 "EHLO mail-fx0-f216.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750930AbZISWI4 (ORCPT ); Sat, 19 Sep 2009 18:08:56 -0400 X-Greylist: delayed 46108 seconds by postgrey-1.27 at vger.kernel.org; Sat, 19 Sep 2009 18:08:56 EDT DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=JN3V7t/4EwimuAgzRwNn9N1nT/CYVLbWRKvxBMCFiUvbkUfhafLEfcc2TQ+luhPfqy k/bCnxRm4y1hOZlaAH9m4cdTb2MmRLWUk9avlPH309gOTD5M4U4dTlzKQfGCsfFTZmVJ 7TxDed/eOd8h1ogzne5lOJffHZhWgdmBmfMJg= Message-ID: <4AB55679.7010300@gmail.com> Date: Sun, 20 Sep 2009 00:08:57 +0200 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; cs-CZ; rv:1.9.1.1) Gecko/20090715 SUSE/3.0b3-8.6 Thunderbird/3.0b3 MIME-Version: 1.0 To: Frans Pop CC: Ondrej Zary , linux-kernel@vger.kernel.org, "Rafael J. Wysocki" Subject: Re: Hibernation oops with 2.6.31 won't fit the screen - how to debug? References: <200909192155.01225.linux@rainbow-software.org> <200909192344.55258.elendil@planet.nl> In-Reply-To: <200909192344.55258.elendil@planet.nl> X-Enigmail-Version: 0.97a Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/19/2009 11:44 PM, Frans Pop wrote: > Ondrej Zary wrote: >> hibernation worked great with 2.6.30 - I had over a month of uptime (it >> never worked so well before - always crashed after some time). But in >> 2.6.31, it's broken again - and completely. The first hibernation works >> but it always crashes on the second one. >> >> The problem is that the oops is so long that it does not fit the screen - >> even 1280x1024 is not enough. Scrolling does not work (as it used to do >> on 2.4 kernels), netconsole does not catch it. So how can I debug this? > > One way to get at least an indication of what broke the hibernation is to > run a bisection to find the change that broke hibernation. That could > provide sufficient clues for a next step. And if it is reproducible with some debugging mode (see Documentation/power/basic-pm-debugging.txt, section Test modes of hibernation), you may not need to do a full hibernation/thaw cycle. Could you attach at least the part of the oops you see?