Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266077AbTGLPhG (ORCPT ); Sat, 12 Jul 2003 11:37:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266085AbTGLPhG (ORCPT ); Sat, 12 Jul 2003 11:37:06 -0400 Received: from c180224.adsl.hansenet.de ([213.39.180.224]:16024 "EHLO sfhq.hn.org") by vger.kernel.org with ESMTP id S266077AbTGLPhA (ORCPT ); Sat, 12 Jul 2003 11:37:00 -0400 Message-ID: <3F102E8E.4030507@portrix.net> Date: Sat, 12 Jul 2003 17:51:42 +0200 From: Jan Dittmer User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.3.1) Gecko/20030524 Debian/1.3.1-1.he-1 X-Accept-Language: en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: agpgart, nforce2, radeon and agp fastwrite Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1774 Lines: 45 Hi, just took me half a hour to figure out. On nforce2 you have to disable agp fastwrites, otherwise X locks hard on startup with the following (from serial console). Linux agpgart interface v0.100 (c) Dave Jones agpgart: Detected NVIDIA nForce2 chipset agpgart: Maximum main memory to use for agp memory: 816M agpgart: AGP aperture is 128M @ 0xd0000000 [drm] Initialized radeon 1.9.0 20020828 on minor 0 agpgart: Found an AGP 2.0 compliant device at 0000:00:00.0. agpgart: Putting AGP V2 device at 0000:00:00.0 into 2x mode agpgart: Putting AGP V2 device at 0000:02:00.0 into 2x mode No response, neither by ping, nor sysrq or anything else. just dead. I already defined AGP_DEBUG in agp.h but that doesn't make it noisier. # lspci -v 02:00.0 VGA compatible controller: ATI Technologies Inc Radeon R200 QL [Radeon ) Subsystem: Hercules: Unknown device 0000 Flags: bus master, stepping, 66Mhz, medium devsel, latency 32, IRQ 5 Memory at d8000000 (32-bit, prefetchable) [size=128M] I/O ports at a000 [size=256] Memory at e2000000 (32-bit, non-prefetchable) [size=64K] Expansion ROM at [disabled] [size=128K] Capabilities: [58] AGP version 2.0 Capabilities: [50] Power Management version 2 Without AGP Fastwrites turned on, it all works wonderful. Just if anybody encounters the same problem. Mainboard is nForce2 based, graphics is radeon 8500le (R200). Jan -- Linux rubicon 2.5.75-mm1-jd1 #2 SMP Fri Jul 11 12:49:37 CEST 2003 i686 - 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/