From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 3 Apr 2003 10:05:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 3 Apr 2003 10:05:18 -0500 Received: from ns.suse.de ([213.95.15.193]:14854 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id ; Thu, 3 Apr 2003 10:05:17 -0500 Date: Thu, 3 Apr 2003 17:16:43 +0200 From: Andi Kleen To: mikpe@csd.uu.se Cc: ak@suse.de, linux-kernel@vger.kernel.org Subject: Re: 2.5.66 x86_64 oops when swapoff via IA32 emulation Message-ID: <20030403151642.GB2062@wotan.suse.de> References: <16012.19359.948383.217572@enequist.it.uu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16012.19359.948383.217572@enequist.it.uu.se> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 03, 2003 at 04:56:31PM +0200, mikpe@csd.uu.se wrote: > I got this oops from swapoff when shutting down 2.5.66 on > x86_64 with 32-bit user-space (RH8.0). This was from the first > run with 2.5.66, I wasn't able to reproduce it in later runs. Is this on the Simulator or on a real Opteron/Athlon64? On the real CPU there is a known bug I wasn't able to track down yet - pci_free_consistent() seems to corrupt memory. When you do a shutdown this is usually invoked in some driver's cleanup function (e.g. ifconfig down on a network driver) and causes something later to crash. -Andi