From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nate Lawson Subject: Re: ACPI on Dell Latitude C600 Date: Wed, 21 Jan 2004 09:46:21 -0800 (PST) Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20040121094450.Y3009@root.org> References: <003e01c3e040$ab873700$03f101a3@physics.ox.ac.uk> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-Reply-To: <003e01c3e040$ab873700$03f101a3-JAjqph6Yjy8XSZKaUYBEcQ@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Tim Stadelmann Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org On Wed, 21 Jan 2004, Tim Stadelmann wrote: > With a minimal amount of kernel driver modules loaded, both S1 and S3 almost > work, with one interesting problem: > > The computer displays messages indicating it is going into the appropriate > sleep state, then switches off most peripherals *except* for the screen and > backlight. Pressing the power button causes it to resume, but now the > screen is switched *off* during this process. Changing the virtual console > to the one used for X11 causes the X server to switch the screen back on and > the computer appears to be working properly afterwards. You've probably got an inverted value in your AML for the _PTS, _GTS methods or some other device method (_S1D). So nothing happens on suspending and then waking (_WAK), you pass a 0 and it turns off the display. -Nate ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn