From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751212AbZK0BD6 (ORCPT ); Thu, 26 Nov 2009 20:03:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750993AbZK0BD5 (ORCPT ); Thu, 26 Nov 2009 20:03:57 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:56058 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750953AbZK0BD4 (ORCPT ); Thu, 26 Nov 2009 20:03:56 -0500 From: "Rafael J. Wysocki" To: Dave Airlie Subject: Re: Weird suspend/resume problem on HP nx6325 w/ openSUSE 11.2 w/ -rc8 Date: Fri, 27 Nov 2009 02:04:15 +0100 User-Agent: KMail/1.12.3 (Linux/2.6.32-rc8-rjw; KDE/4.3.3; x86_64; ; ) Cc: LKML , pm list , DRI References: <200911220015.30912.rjw@sisk.pl> <21d7e9970911211955i69c12969n3085b6fc2c4a95f9@mail.gmail.com> In-Reply-To: <21d7e9970911211955i69c12969n3085b6fc2c4a95f9@mail.gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200911270204.15100.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sunday 22 November 2009, Dave Airlie wrote: > On Sun, Nov 22, 2009 at 9:15 AM, Rafael J. Wysocki wrote: > > Hi, > > > > I'm not really sure where this should be reported, but here it goes. > > > > After installing openSUSE 11.2 on my testbed nx6325 I noticed that resume > > (from suspend to RAM) stopped working on it. Apparently, it hanged while > > switching from the console back to X and the box remained completely > > unresponsive after that (it didn't even react to the magic sysrq). However, > > it used to work just fine with -rc7 and openSUSE 11.1, so I figured the problem > > was related to the new X driver, which is radeon module version 6.12.4 (xorg > > server 1.6.5). > > > > So, I started to investigate and found that after a suspend from a framebuffer > > console, the resume had always worked. However, when I switched from X to the > > framebuffer console, suspended, resumed and switched back to X, the box hanged > > immediately just like during resume after a suspend from under X. [There also > > were some problems when switching from X to the framebuffer console and back > > which seemd to be independent of suspend/resume (in short, the screen stays > > black after a switch from the framebuffer console to X and you need to kill X > > to fix this).] > > You are using radeonfb on it? or vesafb? vesafb > first test is to try without either of those installed. That doesn't change the behavior AFAICS. > From memory though that machines an Xpress 200M Yes, it has this one. > which is the the worst graphics card for use with open drivers and has > always caused no-end of pain. Too bad. :-( > Its also mostly undocumented when it comes to errata and workarounds. Well, so I guess this is a hardware errata. Still, it worked with the older X, so I wonder if I can make the new X work like the old one? Best, Rafael