From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: Bank screen after resume on Dell XPS M1330 Date: Sun, 3 May 2009 23:09:23 +0100 Message-ID: <20090503220923.GA27497@srcf.ucam.org> References: <200905031111.50789.arvidjaar@mail.ru> <20090503105932.GA18170@srcf.ucam.org> <20090503215740.GG1368@ucw.cz> <20090503215935.GA27257@srcf.ucam.org> <20090503220552.GC20166@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:54066 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751767AbZECWJZ (ORCPT ); Sun, 3 May 2009 18:09:25 -0400 Content-Disposition: inline In-Reply-To: <20090503220552.GC20166@elf.ucw.cz> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Pavel Machek Cc: Andrey Borzenkov , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org On Mon, May 04, 2009 at 12:05:52AM +0200, Pavel Machek wrote: > On Sun 2009-05-03 22:59:35, Matthew Garrett wrote: > > Not for current nivida, except for some Thinkpads. > > Ok, that's bad. There still should be chance to reverse-engineer the > BIOS or tweak the emulation in libx86 until it works with the nvidias, > but... that's a lot of work. nvidia BIOSes call into chunks of system BIOS code that aren't available after boot. They rewrite themselves so the c000:0003 entry point just returns in order to prevent you from executing random code. It's not an emulation issue. The only way to fix this is to finish nouveau's implementation of the nvidia bios table bytecode and execute the init tables on resume. -- Matthew Garrett | mjg59@srcf.ucam.org