Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752521AbZL3II4 (ORCPT ); Wed, 30 Dec 2009 03:08:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752468AbZL3IIz (ORCPT ); Wed, 30 Dec 2009 03:08:55 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:50680 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752498AbZL3IIz (ORCPT ); Wed, 30 Dec 2009 03:08:55 -0500 Date: Wed, 30 Dec 2009 00:07:24 -0800 From: Stephen Hemminger To: Michael Breuer Cc: Andrew Morton , "Berck E. Nash" , "linux-kernel@vger.kernel.org" , netdev@vger.kernel.org Subject: Re: sky2 panic in 2.6.32.1 under load (new oops) Message-ID: <20091230000724.4083e7dd@nehalam> In-Reply-To: <20091223230102.4bb0100e.akpm@linux-foundation.org> References: <4B300A2A.8040305@gmail.com> <4B300E30.9090707@majjas.com> <4B3114E3.1070602@majjas.com> <4B329FA3.9090904@majjas.com> <20091223230102.4bb0100e.akpm@linux-foundation.org> Organization: Linux Foundation X-Mailer: Claws Mail 3.7.2 (GTK+ 2.18.3; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1385 Lines: 28 On Wed, 23 Dec 2009 23:01:02 -0800 Andrew Morton wrote: > > Dec 23 17:32:58 mail kernel: DRHD: handling fault status reg 2 > > Dec 23 17:32:58 mail kernel: DMAR:[DMA Read] Request device [06:00.0] > > fault addr fff8423fe000 > > Dec 23 17:32:58 mail kernel: DMAR:[fault reason 06] PTE Read access is > > not set > > Dec 23 17:32:58 mail kernel: sky2 0000:06:00.0: error interrupt > > status=0x80000000 > > Dec 23 17:32:58 mail kernel: sky2 0000:06:00.0: PCI hardware error (0x2010) > > Dec 23 17:33:06 mail kernel: ------------[ cut here ]------------ > > Dec 23 17:33:06 mail kernel: WARNING: at net/sched/sch_generic.c:255 > > dev_watchdog+0xf3/0x161() > > Dec 23 17:33:06 mail kernel: Hardware name: System Product Name > > Dec 23 17:33:06 mail kernel: NETDEV WATCHDOG: eth0 (sky2): transmit Just to reiterate, these are consistent with a DMA error on transmit. Since is 4 seconds after the DHCPACK, they probably are not related, except that when DHCP renew may have caused more traffic. Are you using something like network console or kgdb, or anything that could be using some unusual network I/O? -- 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/