From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: no self-refresh during S3 - any debug hints? Date: Mon, 23 Jun 2008 12:15:08 +0200 Message-ID: <20080623101508.GA3003@elf.ucw.cz> References: <685450530805311215lf463875g8eed40da630b4f96@mail.gmail.com> <20080619201052.GA15587@elf.ucw.cz> <685450530806202313v4ec63bc8n5213330d77e1b6d@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from gprs189-60.eurotel.cz ([160.218.189.60]:53749 "EHLO gprs189-60.eurotel.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754631AbYFWKOL (ORCPT ); Mon, 23 Jun 2008 06:14:11 -0400 Content-Disposition: inline In-Reply-To: <685450530806202313v4ec63bc8n5213330d77e1b6d@mail.gmail.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Jeff Trull Cc: Len Brown , linux-acpi@vger.kernel.org, "Rafael J. Wysocki" On Fri 2008-06-20 23:13:06, Jeff Trull wrote: > On Thu, Jun 19, 2008 at 1:10 PM, Pavel Machek wrote: > > > > > Hmm, or some other hardware... I ve seen machines where video ram was > > not refreshed. If that piece of hw is critical enough, it will break > > resume. > > > > You could try with minimal system, with as little drivers as > > possible... use acpi_sleep=s3_beep to determine where it fails. > > I don't have ready access to 2.6.26, but with 2.6.24 s3_beep produces > a (endless, loud) tone if I resume immediately after suspend, and > nothing at all if I wait 10 seconds first. Hmm, okay, that confirms your theory :-(. Contacting BIOS vendor and looking in DSDT for something strange turning off autorefresh is something you could try... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html