From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263865AbUG1VD6 (ORCPT ); Wed, 28 Jul 2004 17:03:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263847AbUG1VD6 (ORCPT ); Wed, 28 Jul 2004 17:03:58 -0400 Received: from the-village.bc.nu ([81.2.110.252]:45210 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S263775AbUG1VCk (ORCPT ); Wed, 28 Jul 2004 17:02:40 -0400 Subject: Re: [Fastboot] Re: Announce: dumpfs v0.01 - common RAS output API From: Alan Cox To: Andrew Morton Cc: "Eric W. Biederman" , suparna@in.ibm.com, fastboot@osdl.org, mbligh@aracnet.com, Linux Kernel Mailing List , jbarnes@engr.sgi.com In-Reply-To: <20040728133337.06eb0fca.akpm@osdl.org> References: <16734.1090513167@ocs3.ocs.com.au> <20040725235705.57b804cc.akpm@osdl.org> <200407280903.37860.jbarnes@engr.sgi.com> <25870000.1091042619@flay> <20040728133337.06eb0fca.akpm@osdl.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1091044742.31698.3.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Wed, 28 Jul 2004 20:59:04 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mer, 2004-07-28 at 21:33, Andrew Morton wrote: > We really don't want to be calling driver shutdown functions from a crashed > kernel. Then at the very least you need to disable bus mastering and have specialist recovery functions for problematic devices. The bus mastering one is essential otherwise bus masters will continue to DMA random data into your new universe. Other stuff like graphics cards and IDE may need care too.