From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263777AbUECQXU (ORCPT ); Mon, 3 May 2004 12:23:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263775AbUECQXU (ORCPT ); Mon, 3 May 2004 12:23:20 -0400 Received: from umhlanga.stratnet.net ([12.162.17.40]:4650 "EHLO umhlanga.STRATNET.NET") by vger.kernel.org with ESMTP id S263777AbUECQXS (ORCPT ); Mon, 3 May 2004 12:23:18 -0400 To: corbet@lwn.net (Jonathan Corbet) Cc: Andi Kleen , linux-kernel@vger.kernel.org, akpm@osdl.org Subject: Re: [MICROPATCH] Make x86_64 build work without GART_IOMMU References: <20040503150958.6864.qmail@lwn.net> X-Message-Flag: Warning: May contain useful information X-Priority: 1 X-MSMail-Priority: High From: Roland Dreier Date: 03 May 2004 09:23:17 -0700 In-Reply-To: <20040503150958.6864.qmail@lwn.net> Message-ID: <52n04pa39m.fsf@topspin.com> User-Agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Common Lisp) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 03 May 2004 16:23:17.0372 (UTC) FILETIME=[F0EDCBC0:01C4312A] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jonathan> Andrew had asked: Andrew> Can you get a sysrq-p trace? Jonathan> There's this little problem in that, to make things go Jonathan> wrong, I have to fire up X. That pretty well hoses the Jonathan> display, and an attempt to chvt back to a regular Jonathan> console just hangs. I guess I may have to dig in and Jonathan> try to track this one down the hard way; wish I knew Jonathan> more about AGP hardware... Can you get into the machine over the net and use /proc/sysrq-trigger? (You might need a serial console too depending on how busted things are) - Roland