From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760166AbYDKK4d (ORCPT ); Fri, 11 Apr 2008 06:56:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759464AbYDKK4Z (ORCPT ); Fri, 11 Apr 2008 06:56:25 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:60119 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759372AbYDKK4Z (ORCPT ); Fri, 11 Apr 2008 06:56:25 -0400 Date: Fri, 11 Apr 2008 12:57:12 +0200 From: Pavel Machek To: Soeren Sonnenburg Cc: Justin Mattock , Linux Kernel Subject: Re: suspend issue Message-ID: <20080411105712.GC18770@elf.ucw.cz> References: <1207490104.4597.36.camel@localhost> <20080406232849.GA789@elf.ucw.cz> <1207736730.4320.1.camel@localhost> <20080410100234.GB11084@ucw.cz> <1207865152.21472.2.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1207865152.21472.2.camel@localhost> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 2008-04-11 00:05:52, Soeren Sonnenburg wrote: > On Thu, 2008-04-10 at 12:02 +0200, Pavel Machek wrote: > > On Wed 2008-04-09 12:25:30, Soeren Sonnenburg wrote: > > > On Mon, 2008-04-07 at 01:28 +0200, Pavel Machek wrote: > > > > On Sun 2008-04-06 13:55:04, Soeren Sonnenburg wrote: > > > > > On Sun, 2008-04-06 at 04:03 +0000, Justin Mattock wrote: > > > > > > Hello; I seem to have discovered something with echo mem > /sys/power/state. > > > > > > I recompile the kernel and had forgotten to compile fglrx, when > > > > > > performing a suspend without fglrx I was confronted with the dreaded > > > > > > blank screen and a reboot. then as a test I compiled fglrx and loaded, > > > > > > and to my amazement suspend reacted properly again. > > > > > > > > > > Yeah, but I it does not even work without X - console only! > > > > > > > > > > s2ram -f -p used to work since at least 2.6.20 ... and is now not > > > > > anymore in 2.6.25-* > > > > > > > > Can you do git bisect? > > > > > > I just tried, and the problem is that 25-rc1 already fails to suspend - > > > so I am not sure how I could get more insight into this failure *on > > > resume*... any ideas? > > > > Well, 2.6.20 worked, so bisect should be easy, right? > > I don't quite understand... 2.6.24 worked yes, but 2.6.25-rc1 didn't > even *suspend*. However the problem lies not in suspending but no > display on *resume*. So the bug is hidden by the hang on suspend and I > don't see how I can check when resume broke. Hmm, you could bisect the resume regression, revert that, and then go on to find the suspend regression. ...ok, not easy, I see. Do you have kernel.org bugzilla # I could look at? Perhaps this can be debugged using printks or something... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html