Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936358AbXJQCg4 (ORCPT ); Tue, 16 Oct 2007 22:36:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762299AbXJQCgq (ORCPT ); Tue, 16 Oct 2007 22:36:46 -0400 Received: from mx1.redhat.com ([66.187.233.31]:36046 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761090AbXJQCgp (ORCPT ); Tue, 16 Oct 2007 22:36:45 -0400 Date: Tue, 16 Oct 2007 22:36:42 -0400 From: Dave Jones To: Arnaud Fontaine Cc: linux-kernel@vger.kernel.org Subject: Re: error: Eeek! page_mapcount(page) went negative! (-1) with different process and kernels Message-ID: <20071017023642.GB3397@redhat.com> Mail-Followup-To: Dave Jones , Arnaud Fontaine , linux-kernel@vger.kernel.org References: <20071016183510.GB25480@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.14 (2007-02-12) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1112 Lines: 28 On Wed, Oct 17, 2007 at 01:03:02AM +0200, Arnaud Fontaine wrote: > >>>>> "Dave" == Dave Jones writes: > > Dave> Many of these that I've seen have turned out to be a hardware > Dave> problem. Try running memtest86+ on that machine for a while. > Dave> It doesn't catch all problems, but it will highlight more > Dave> common memory faults. > > Hello, > > We ran memtest86+ before production, it was about one month ago. Do you > think it could come from that anyway? Not impossible. Hardware failures can occur at any time. Somewhat unlikely though. As I mentioned, memtest also doesn't trap all hardware problems. I have a board that passes memtest with flying colours, yet dies under even slight load. Examination of the board shows that it has leaking capacitors. Dave -- http://www.codemonkey.org.uk - 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/