Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764088AbYBTGBX (ORCPT ); Wed, 20 Feb 2008 01:01:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754033AbYBTGBP (ORCPT ); Wed, 20 Feb 2008 01:01:15 -0500 Received: from nn7.de ([85.214.94.156]:40877 "EHLO nn7.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753945AbYBTGBP (ORCPT ); Wed, 20 Feb 2008 01:01:15 -0500 Subject: Re: 2.6.25-rc2 regression - hang on suspend From: Soeren Sonnenburg To: "Rafael J\. Wysocki" Cc: Linux Kernel In-Reply-To: <200802200050.10158.rjw@sisk.pl> References: <1203422386.10992.2.camel@localhost> <200802192206.13350.rjw@sisk.pl> <1203458394.28475.7.camel@localhost> <200802200050.10158.rjw@sisk.pl> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Wed, 20 Feb 2008 07:01:09 +0100 Message-Id: <1203487269.6542.1.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1420 Lines: 39 On Wed, 2008-02-20 at 00:50 +0100, Rafael J. Wysocki wrote: > On Tuesday, 19 of February 2008, Soeren Sonnenburg wrote: > > On Tue, 2008-02-19 at 22:06 +0100, Rafael J. Wysocki wrote: > > > On Tuesday, 19 of February 2008, Soeren Sonnenburg wrote: > > > > Hi, > > > > > > Hi, > > > > > > > since 2.6.25-rc1 (first version I tried) and still in rc2 (and git), I > > > > see a hang on s2ram already when trying to suspend. > > > > > > Does it work with 2.6.24? > > > > yes. > > Please take the current mainline (there are a couple of nasty bugs fixed in > it), configure it with CONFIG_PM_DEBUG set, boot it with "no_console_suspend", > run > > # echo 8 > /proc/sys/kernel/printk > # echo devices > /sys/power/pm_test > # echo mem > /sys/power/state > > If it hangs, it should leave a stack trace before and I need that trace to see > what's going on. If it doesn't hang, I'll tell you what to do next. I tried with 2.6.24.2 with CONFIG_PM_DEBUG set, following your steps and yes it works flawlessly (though the display did not come back I could suspend/resume multiple times without problems, and finally s2ram -f -p brought the display back). So what next? Soeren -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/