From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Dawid Subject: Re: S3 broken Samsung P35 - howto debug? Date: Mon, 22 Nov 2004 09:20:21 +0100 Message-ID: <41A1A145.4090006@helios.de> References: <200411211600.01820.od@fet.uni-hannover.de> <1101064133.7220.15.camel@mhcln03> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1101064133.7220.15.camel@mhcln03> Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Matthias Hentges Cc: Oliver Dawid , acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi Matthias, Matthias Hentges wrote: > Did you say yes to "Power management options / ACPI / Use compatibily > PCI resume code" after patching? Yes I did as you proposed. > For testing purposes, I'd go with the buggy Samsung DSDT. Since errors in dsdt seem not to touch any suspend-to-* problem, this is a good idea. >>- which modules are known not to work properly with acpi sleep/ resume? Which >>should be unloaded before going to sleep? > > The following things break resume on the P30 (break == freeze on resume) > > - Active sound driver, be it OSS or ALSA. Must be unloaded before > suspending. > - radeonfb > - Accelerated X (DRI or fglrx) > > For testing purposes I'd recommend using a minimalistic kernel .config > (no usb, firewire, preempt, AGP etc.) Hmm wouldn't it be good to collect which modules are hanging? Or is it platform-dependent? As dri or fglrx are freezing the system, do you need to abandon X before going to sleep? > There's a little script to restore lost PCI configuration DATA after a > resume. > I've managed to get the backlight on, but that's it heh. so you aren't sitting totally in the dark but have some miserable lamp to illuminate your keyboard ;-) Oliver ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/