From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752776AbYE1EKJ (ORCPT ); Wed, 28 May 2008 00:10:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751021AbYE1EJ5 (ORCPT ); Wed, 28 May 2008 00:09:57 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:42345 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750863AbYE1EJ5 (ORCPT ); Wed, 28 May 2008 00:09:57 -0400 Date: Tue, 27 May 2008 21:09:24 -0700 From: Arjan van de Ven To: Fede Cc: linux-kernel@vger.kernel.org Subject: Re: bad pmd ffff810000207238(9090909090909090). Message-ID: <20080527210924.0537cb44@infradead.org> In-Reply-To: <483CBCDD.10401@lugmen.org.ar> References: <483CBCDD.10401@lugmen.org.ar> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 27 May 2008 23:01:01 -0300 Fede wrote: > Hi, > > Today I tried to start a firewalling script and failed due to an > unrelated issue, but when I checked the log I saw this: > > May 27 20:38:15 kaoz ip_tables: (C) 2000-2006 Netfilter Core Team > May 27 20:38:28 kaoz Netfilter messages via NETLINK v0.30. > May 27 20:38:28 kaoz nf_conntrack version 0.5.0 (16384 buckets, 65536 > max) May 27 20:38:28 kaoz ctnetlink v0.93: registering with nfnetlink. > May 27 20:38:28 kaoz ClusterIP Version 0.8 loaded successfully > May 27 20:38:28 kaoz mm/memory.c:127: bad pmd > ffff810000207238(9090909090909090). 909090 is asm for "nop nop nop", a pattern often used in rootkits to deal with slightly unknown memory locations I would REALLY REALLY strongly suggest that you check for rootkits and the like on your system... -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org