Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752203AbYJTAej (ORCPT ); Sun, 19 Oct 2008 20:34:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751024AbYJTAeb (ORCPT ); Sun, 19 Oct 2008 20:34:31 -0400 Received: from mail.anarazel.de ([217.115.131.40]:52724 "EHLO smtp.anarazel.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750704AbYJTAeb (ORCPT ); Sun, 19 Oct 2008 20:34:31 -0400 From: Andres Freund To: Keith Packard Subject: Re: [git pull] agp patches for 2.6.28-rc1. Date: Mon, 20 Oct 2008 02:34:28 +0200 User-Agent: KMail/1.10.1 (Linux/2.6.27-andres-04904-gc813b4e; KDE/4.1.2; x86_64; ; ) Cc: Dave Airlie , linux-kernel@vger.kernel.org References: <200810200144.44383.andres@anarazel.de> <1224461977.5303.34.camel@koto.keithp.com> In-Reply-To: <1224461977.5303.34.camel@koto.keithp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200810200234.28751.andres@anarazel.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1351 Lines: 31 Hi, On Monday 20 October 2008 02:19:37 you wrote: > The GM45/G45 support in both kernel and user space was horribly broken, > causing the kernel to either overwrite stolen entries with freshly > allocated pages, and potentially corrupt the system, or leave some GTT > entries uninitialized and cause the hardware to lock up. I had some crashes with 3d, but none in 2d as far as I know. > You appear to have a happy situation where this bug isn't obviously > breaking things. We couldn't find any machines where even simple 2D > graphics was stable for very long. Interesting. I had the system running for some days without problems related to graphics. > We applied a patch to both kernel and 2D driver (as both end up > computing the size of the GTT stolen area for historical reasons) to fix > this mistake. Updating your 2D driver to 2.4.98 should get you the other > half of the fix. Ok, will try, and also report this to ubuntu and maybe other distributions... > Yeah, I'm getting information about how 'hybrid' graphics hardware > works. If you need some information/testing/whatever... Andres -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/