Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965815AbXBOKhF (ORCPT ); Thu, 15 Feb 2007 05:37:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965816AbXBOKhE (ORCPT ); Thu, 15 Feb 2007 05:37:04 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:37364 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965815AbXBOKhB (ORCPT ); Thu, 15 Feb 2007 05:37:01 -0500 Date: Thu, 15 Feb 2007 11:36:39 +0100 From: Pavel Machek To: Jan Dittmer Cc: stelian@popies.net, linux-acpi@vger.kernel.org, linux-pm@osdl.org, adaplas@pol.net, dawes@xfree86.org, Linux kernel Subject: Re: [linux-pm] Suspend to RAM, Sony Vaio PCG-SRX51P, lcd stays off Message-ID: <20070215103639.GB27338@elf.ucw.cz> References: <45D43489.3060409@l4x.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45D43489.3060409@l4x.org> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1917 Lines: 47 Hi! > I own an older Sony Vaio SRX51P, European Model, P3 based. s2ram > identifies it with > > sys_vendor = "Sony Corporation " > sys_product = "PCG-SRX51P(DE) " > sys_version = "01 " > bios_version = "R0232U2" > > Suspend to RAM by using "s2ram -v -m -f" actually works and the > laptop comes back to life, is accessible by network, etc. kudos > so far. > The only but serious problem is, that the lcd stays off after > resume. No matter what kind of options for s2ram I try, if I disable Is the _lcd_ off or the _backlight_ off? Use bright flashlight to tell. > framebuffer or suspend from X, the lcd always stays off. Only > a reboot fixes this. Note that the X driver also cannot dis-/enable > the lcd (xset dpms force off). It always stays lit. I also tried > with i810switch, but that also does not affect the lcd. > spicctrl -b42 neither. > Latest kernel I tested is 2.6.20-git11 from today. > > So has anyone of you suspend, acpi, sonypi, fb people an idea how to fix > this? I suspect one has to call some magic ACPI method upon resume? What > other kind of information would be needed to debug this? Anything more > to try? Are there some sony people here listening who can fix this? sonypi people actually might know how to help... > 00:02.0 VGA compatible controller: Intel Corporation 82815 CGC [Chipset Graphics Controller] (rev 11) Wait a moment, did not Intel release nice, commented, GPLed sources for their graphics cards somewhere? That might help. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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/