Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755758AbXFXSAM (ORCPT ); Sun, 24 Jun 2007 14:00:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751505AbXFXSAA (ORCPT ); Sun, 24 Jun 2007 14:00:00 -0400 Received: from imf16aec.mail.bellsouth.net ([205.152.59.64]:58248 "EHLO imf16aec.mail.bellsouth.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751385AbXFXR77 (ORCPT ); Sun, 24 Jun 2007 13:59:59 -0400 Date: Sun, 24 Jun 2007 12:59:57 -0500 From: Jay Cliburn To: "Jay L. T. Cornwall" Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.22-rc5: pdflush oops under heavy disk load Message-ID: <20070624125957.2e27820c@osprey.hogchain.net> In-Reply-To: <467D0EB0.9030100@esuna.co.uk> References: <467B12CA.5060405@esuna.co.uk> <467BE118.4090308@redhat.com> <467BE4F1.7040308@esuna.co.uk> <467D0EB0.9030100@esuna.co.uk> X-Mailer: Claws Mail 2.9.2 (GTK+ 2.10.13; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 875 Lines: 22 On Sat, 23 Jun 2007 13:14:40 +0100 "Jay L. T. Cornwall" wrote: > The common factor here seems to be the buffer_head circular list > leading to invalid pointers in bh->b_this_page. > > I'm beginning to suspect the Attansic L1 Gigabit Etherner driver > (marked as EXPERIMENTAL in 2.6.22-rc5). I can't reproduce these > panics on disk-to-disk copies or SCP across the localhost interface. > However, SCP from a server onto either of two different HDDs hits > these oopses fairly quickly. How much RAM is installed in your machine? If it's 4GB or more, does your problem go away if you boot with mem=3000M? Jay - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/