From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262755AbUK0Ch5 (ORCPT ); Fri, 26 Nov 2004 21:37:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262833AbUK0CF0 (ORCPT ); Fri, 26 Nov 2004 21:05:26 -0500 Received: from zeus.kernel.org ([204.152.189.113]:10692 "EHLO zeus.kernel.org") by vger.kernel.org with ESMTP id S262651AbUKZThH (ORCPT ); Fri, 26 Nov 2004 14:37:07 -0500 To: Jan Kasprzak Cc: linux-kernel@vger.kernel.org Subject: Re: AMD64: GPF in sys32_lstat64 call path References: <34n1d-6LW-7@gated-at.bofh.it> <34n1d-6LW-5@gated-at.bofh.it> From: Andi Kleen Date: 25 Nov 2004 12:17:19 +0100 In-Reply-To: <34n1d-6LW-5@gated-at.bofh.it> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jan Kasprzak writes: > I've got the following GPF on my quad-opteron HP DL585. > The process in question was "save" from the Legato Networker > suite (i.e. 32-bit binary) doing nightly backup. The system > is pretty stock RHEL3, except that kernel has been upgraded > to 2.6.8.1. The server was almost idle at that time except for the > "save" Networker process. The server currently acts as NFS server. > Root FS is ext3, and there are three XFS volumes over LVM on an array > behind a Qlogic FC HBA. More information is available on request. 0: 48 89 50 08 mov %rdx,0x8(%rax) and rax is 0x5e03d1f6c831e2ad, which raised an uncanonical address general protection fault. Someone corrupted memory and the linked list of slab objects is broken. Most probably some driver. You can enable slab debugging (will slow down the machine) and see if that turns up something. -Andi