From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lxorguk.ukuu.org.uk (unknown [81.2.110.250]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 7A9BD67B61 for ; Tue, 11 Jul 2006 00:46:30 +1000 (EST) Subject: Re: Linux v2.6.18-rc1 From: Alan Cox To: will_schmidt@vnet.ibm.com 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 Date: Mon, 10 Jul 2006 15:40:13 +0100 Message-Id: <1152542413.27368.131.camel@localhost.localdomain> Mime-Version: 1.0 Cc: Steve Fox , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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