From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422629AbWGJOYz (ORCPT ); Mon, 10 Jul 2006 10:24:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422635AbWGJOYy (ORCPT ); Mon, 10 Jul 2006 10:24:54 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:50902 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1422629AbWGJOYx (ORCPT ); Mon, 10 Jul 2006 10:24:53 -0400 Subject: Re: Linux v2.6.18-rc1 From: Alan Cox To: will_schmidt@vnet.ibm.com Cc: Benjamin Herrenschmidt , Steve Fox , linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org In-Reply-To: <1152537672.28828.4.camel@farscape.rchland.ibm.com> References: <1152441242.4128.33.camel@localhost.localdomain> <1152537672.28828.4.camel@farscape.rchland.ibm.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 10 Jul 2006 15:40:13 +0100 Message-Id: <1152542413.27368.131.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ar Llu, 2006-07-10 am 08:21 -0500, ysgrifennodd Will Schmidt: > On Sun, 2006-09-07 at 20:34 +1000, Benjamin Herrenschmidt wrote: > > On Fri, 2006-07-07 at 10:41 -0500, Steve Fox wrote: > > > We've got a ppc64 machine that won't boot with this due to an IDE error. > > > > What machine precisely ? > > I see a slightly more verbose version on a JS20 blade. > > hda: dma_timer_expiry: dma status == 0x24 > hda: DMA interrupt recovery > hda: lost interrupt That in repeat generally means the IRQ logic on the platform has been broken. If we don't get interrupts we don't work very well. Also check if booting with "nodma" set on the relevant ide interface makes a difference. Just to be sure. If it does then submit patches to fix the bug. Alan