From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268180AbUG2PVj (ORCPT ); Thu, 29 Jul 2004 11:21:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268170AbUG2PTl (ORCPT ); Thu, 29 Jul 2004 11:19:41 -0400 Received: from the-village.bc.nu ([81.2.110.252]:2716 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S264833AbUG2PAZ (ORCPT ); Thu, 29 Jul 2004 11:00:25 -0400 Subject: Re: [Fastboot] Re: Announce: dumpfs v0.01 - common RAS output API From: Alan Cox To: Andrew Morton Cc: ebiederm@xmission.com, suparna@in.ibm.com, fastboot@osdl.org, mbligh@aracnet.com, jbarnes@engr.sgi.com, Linux Kernel Mailing List In-Reply-To: <20040728172204.2ecc5cdd.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> <1091044742.31698.3.camel@localhost.localdomain> <1091055311.31923.3.camel@localhost.localdomain> <20040728172204.2ecc5cdd.akpm@osdl.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1091109427.865.1.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Thu, 29 Jul 2004 14:57:09 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Iau, 2004-07-29 at 01:22, Andrew Morton wrote: > eh? People do care. The point here is that we should stop the DMA in the > dump kernel, not from within the broken kernel. And pray just how do you expect to prove that the dump kernel isnt being overwritten *as* it is being loaded. > btw, if we simply insert a five-second-pause, what problems does that > leave? Network Rx, which is OK. Disk writes will have completed (?). > What remains? Network RX is the obvious one since we've no idea where the DMA is going in memory.