From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Oops on 2.6.23.11 with KVM 57 Date: Thu, 27 Dec 2007 12:34:58 +0200 Message-ID: <47737FD2.1060802@qumranet.com> References: <20071221132611.GA11812@bogon.ms20.nix> <476D6CAF.2030009@qumranet.com> <20071227094136.GB824@bogon.ms20.nix> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Guido Guenther Return-path: In-Reply-To: <20071227094136.GB824-DVvpyRRQz99DDGxTMhc9XQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Guido Guenther wrote: > On Sat, Dec 22, 2007 at 09:59:43PM +0200, Avi Kivity wrote: > >> Guido Guenther wrote: >> >>> Hi, >>> I got the Oops below on an Dual CPU Dual-Core AMD Opteron(tm) Processor >>> 2220 running a 32bit kernel. Kernel is 2.6.23.11, kvm version 57. >>> Doesn't happen all the time but usually right at VM startup. Seems to be >>> easier to trigger when starting up several VMs in row. >>> >> What guest are you running? smp or uni? >> > Uniprocessor Linux, standard etch 2.6.18 kernel. > > kvm commandline was: > > -M pc -m 512 -smp 1 -monitor pty -boot c -hda /dev/mapper/foo -hdb > /dev/mapper/bar -net nic,macaddr=54:52:00:1b:9b:10,vlan=0 -net > tap,fd=11,script=,vlan=0 -usb -usbdevice tablet -vnc 127.0.0.1:0 > > Looks like memory corruption; this was a call through a function pointer that pointed into userspace. Please try kvm-58, that has a fix for preemption notifiers on AMD; this may solve the problem. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/