From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753058AbYDHNcb (ORCPT ); Tue, 8 Apr 2008 09:32:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751831AbYDHNcW (ORCPT ); Tue, 8 Apr 2008 09:32:22 -0400 Received: from nn7.de ([85.214.94.156]:53194 "EHLO nn7.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751736AbYDHNcV (ORCPT ); Tue, 8 Apr 2008 09:32:21 -0400 Subject: Re: 2.6.25-rc6 regression - hang on resume [Bug 10319] From: Soeren Sonnenburg To: Fabio Comolli Cc: Romano Giannetti , Tino Keitel , "Rafael J\. Wysocki" , Linux Kernel Mailing List , bugme-daemon@bugzilla.kernel.org, Jesse Barnes , suspend-devel@lists.sourceforge.net In-Reply-To: References: <1207290689.4511.1.camel@localhost> <1207552602.26185.13.camel@pern> <200804071110.39933.rjw@sisk.pl> <20080408085846.GA15403@dose.home.local> <1207658107.21698.17.camel@pern> <1207658383.553.17.camel@localhost> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Tue, 08 Apr 2008 15:32:14 +0200 Message-Id: <1207661534.9487.5.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.22.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2008-04-08 at 14:52 +0200, Fabio Comolli wrote: > On Tue, Apr 8, 2008 at 2:39 PM, Soeren Sonnenburg wrote: > > On Tue, 2008-04-08 at 14:35 +0200, Romano Giannetti wrote: > > > > > > On Tue, 2008-04-08 at 10:58 +0200, Tino Keitel wrote: > > > > With 2.6.25-rc, the text console is fine after resume, due to the > > > > recent changes to the Intel i915 DRM driver. Maybe those people who > > > > used to use vbetool prior to 2.6.25 should check if this is still > > > > needed. > > > > > > Yep, the problem is just that: in 2.6.24 vbetool hacks (in my case, > > > using s2ram -p -m options) was needed to resume graphics. Now they are > > > not needed anymore, and using them _break_ resume. > > > > > > So, people with a working suspend-to-ram setup (even using the whitelist > > > in s2ram, I mean, simply calling s2ram) will discover that 2.6.25 break > > > their machine. Removing the s2ram package and suspending with > > > kernel-only machinery will work, but... well, it's not user-friendly. > > > > The above holds only if you have an intel graphics adapter. For me > > (radeon) it really breaks (as in echo mem >/sys/power/state leaves me a > > black screen on resume and manually typing vbetool post or vbetool > > vgamode simply hangs the machine). > > > > For me (radeon X700) using binary fglrx xorg driver without the binary > kernel module (which does not compile under .25rc for me) > resume-from-ram works using s2ram. > > Lightly tested with -rc8. > > My laptop is in whitelist as VBE_POST|VBE_SAVE|NOFB . I am talking about console only. X is a completely different issue especially with fglrx (which will very likely do the re-init). Soeren