From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261628AbUD3WHr (ORCPT ); Fri, 30 Apr 2004 18:07:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261631AbUD3WHr (ORCPT ); Fri, 30 Apr 2004 18:07:47 -0400 Received: from colin2.muc.de ([193.149.48.15]:49931 "HELO colin2.muc.de") by vger.kernel.org with SMTP id S261628AbUD3WHm (ORCPT ); Fri, 30 Apr 2004 18:07:42 -0400 Date: 1 May 2004 00:07:40 +0200 Date: Sat, 1 May 2004 00:07:40 +0200 From: Andi Kleen To: Jonathan Corbet Cc: Andi Kleen , linux-kernel@vger.kernel.org, akpm@osdl.org Subject: Re: [MICROPATCH] Make x86_64 build work without GART_IOMMU Message-ID: <20040430220740.GA45095@colin2.muc.de> References: <20040430214040.25268.qmail@lwn.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040430214040.25268.qmail@lwn.net> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 30, 2004 at 03:40:40PM -0600, Jonathan Corbet wrote: > > > My Radeon 9200SE goes nuts if I build a GART-enabled > > > kernel. Haven't figured out why... > > > > Define 'nuts' and supply full boot log (with GART enabled) > > Oops, sorry for the technical term...:) > > "Nuts" means that the X server goes into an unkillable, 100% system time > state. It manages to scribble a mess onto the screen first. Pointer moves > (I believe that's in hardware) but the server does not respond to anything. Most likely it is a problem with the AGP driver. I assume you have AGP compiled in. Does it work when you boot with agp=off ? IOMMU GART initialises the AGP driver early. -Andi