From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755229Ab0IWPCU (ORCPT ); Thu, 23 Sep 2010 11:02:20 -0400 Received: from xenotime.net ([72.52.115.56]:36947 "HELO xenotime.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752938Ab0IWPCT (ORCPT ); Thu, 23 Sep 2010 11:02:19 -0400 Date: Thu, 23 Sep 2010 08:02:12 -0700 From: Randy Dunlap To: Uwe Bonnes Cc: linux-kernel@vger.kernel.org Subject: Re: Any SYSRQ key to force mode switch to console mode when using KMS? Message-Id: <20100923080212.ca4be1f6.rdunlap@xenotime.net> In-Reply-To: <19611.20403.865248.695829@elektron.ikp.physik.tu-darmstadt.de> References: <19601.1301.803816.92851@elektron.ikp.physik.tu-darmstadt.de> <20100921151033.80e61747.randy.dunlap@oracle.com> <19609.53242.674915.369484@elektron.ikp.physik.tu-darmstadt.de> <4C9A1FB7.9050902@oracle.com> <19611.8986.142128.168878@elektron.ikp.physik.tu-darmstadt.de> <19611.20403.865248.695829@elektron.ikp.physik.tu-darmstadt.de> Organization: YPO4 X-Mailer: Sylpheed 2.7.1 (GTK+ 2.16.6; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 23 Sep 2010 15:01:39 +0200 Uwe Bonnes wrote: > >>>>> "Uwe" == Uwe Bonnes writes: > > >>>>> "Randy" == Randy Dunlap writes: > ... > Uwe> However 2.6.36-rc4 also fixed my hibernate problem: > > Uwe> commit 84e1d836ef0759a152578a961894824bde89596f Merge: 20f4cad > Uwe> 6715045 Author: Linus Torvalds > Uwe> Date: Sat Sep 11 15:50:53 2010 -0700 > > Uwe> Merge branch 'pm-fixes' of > Uwe> git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 > > Uwe> * 'pm-fixes' of ... PM / Hibernate: Avoid hitting OOM during > Uwe> preallocation of memory ... > > Uwe> so I no longer hit the problem with the dark screen... > > I burried the problem too early. > > On another hibernate attempt on 2.6.36-rc4, now the image again was not > written to disk, the screen turn black and no ALT-CTL-SYSRQ combination > helped. Especially I tried ALT-CTL-SYSRQ ad 'v','V', ALT-CTL 'v' and > ALT-CTL 'V'... Is CONFIG_DRM_KMS_HELPER enabled in your kernel .config file? If not, we need to find out how to enable it (there is no kconfig prompt for it). Can you check if Alt-Sysrq-H (help) lists V for "force-fb(V)"? --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code ***