Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760379AbYGRCD1 (ORCPT ); Thu, 17 Jul 2008 22:03:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753616AbYGRCDR (ORCPT ); Thu, 17 Jul 2008 22:03:17 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:48452 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751672AbYGRCDQ (ORCPT ); Thu, 17 Jul 2008 22:03:16 -0400 Date: Thu, 17 Jul 2008 19:03:15 -0700 (PDT) Message-Id: <20080717.190315.186892939.davem@davemloft.net> To: vegard.nossum@gmail.com Cc: mingo@elte.hu, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, penberg@cs.helsinki.fi, rjw@sisk.pl Subject: Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten From: David Miller In-Reply-To: <19f34abd0807171615s5b477d4cr22d3e9444bcf65df@mail.gmail.com> References: <20080717214222.GA29449@elte.hu> <19f34abd0807171615s5b477d4cr22d3e9444bcf65df@mail.gmail.com> X-Mailer: Mew version 5.2 on Emacs 22.1 / Mule 5.0 (SAKAKI) 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: 1112 Lines: 30 From: "Vegard Nossum" Date: Fri, 18 Jul 2008 01:15:47 +0200 > On Thu, Jul 17, 2008 at 11:42 PM, Ingo Molnar wrote: > > > > A regression to v2.6.26: > > > > I started getting this skb-head corruption message today, on a T60 > > laptop with e1000: > > > > PM: Removing info for No Bus:vcs11 > > device: 'vcs11': device_create_release > > ============================================================================= > > BUG skbuff_head_cache: Poison overwritten > > ----------------------------------------------------------------------------- > > > > INFO: 0xf658ae9c-0xf658ae9c. First byte 0x6a instead of 0x6b > > 1. Notice the range. It's just a single byte. > 2. Notice the value. It's just a ++. It's supposed to be 0x6b, this would be a "--" Also it (more likely IMHO) could be clearing a flag with the value 0x01. -- 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/