From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: acpi_sleep=s3_bios and Thinkpads Date: Sat, 03 Jul 2004 16:12:19 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <1088867538.9981.1.camel@localhost.localdomain> References: <1088852201.3733.22.camel@tyrosine> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1088852201.3733.22.camel-myFlNLNQP+Q@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Matthew Garrett Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org On Sad, 2004-07-03 at 11:56, Matthew Garrett wrote: > Having tested around 6 different models of Thinkpad, we've found that > passing acpi_sleep=s3_bios always helps if there is no framebuffer > running, but tends to break things if there is a framebuffer. Is this > worth some sort of DMI hackery in order to make it more likely that > things will just work? The BIOS will re-init to vga text mode for the general case. So you'd need instead to do some work on the pci resume path of the video drivers to do mode resets and the like. You may also need to play with vga routing but that ought to be set right by the BIOS. Does switching console unbreak resume ? ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com