From mboxrd@z Thu Jan 1 00:00:00 1970 From: matthieu castet Subject: Re: suspend to ram problem Date: Sun, 03 Feb 2008 16:31:44 +0100 Message-ID: <47A5DE60.1080402@free.fr> References: <47A5C399.7010405@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp2-g19.free.fr ([212.27.42.28]:41979 "EHLO smtp2-g19.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751453AbYBCPbp (ORCPT ); Sun, 3 Feb 2008 10:31:45 -0500 Received: from smtp2-g19.free.fr (localhost.localdomain [127.0.0.1]) by smtp2-g19.free.fr (Postfix) with ESMTP id 99D2F12B6E1 for ; Sun, 3 Feb 2008 16:31:44 +0100 (CET) Received: from [192.168.0.3] (cac94-1-81-57-151-96.fbx.proxad.net [81.57.151.96]) by smtp2-g19.free.fr (Postfix) with ESMTP id 74D1412B6BD for ; Sun, 3 Feb 2008 16:31:44 +0100 (CET) In-Reply-To: <47A5C399.7010405@free.fr> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org matthieu castet wrote: > Hi, > > I am trying to make work suspend to ram on a MSI MS-6380E with a 2.6.23 > kernel. > > Standby mode works. > S2ram suspend seems to work : the computer turn off and I can wake up it > with the keyboard. > > But when the computer wakeup, I see the video card POST on the screen, > but after that the computer hangs : black screen, no working numlock. > > I tried to compile PM_TRACE, but it give no result. So this means the > resume hang very early. > > What can I do to debug this ? > I play with the s2_beep feature and : - echo 4 > /proc/sys/kernel/acpi_video_flags make the computer beep - echo 4 > /proc/sys/kernel/acpi_video_flags make the computer not beep - adding a beep in bogus_real_magic, make the computer not beep So the hang seems located in wakeup_start. Matthieu