From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Kernel oops with kvm-38, 100% cpu usage with kvm-35, 36 Date: Sun, 16 Sep 2007 21:52:31 +0200 Message-ID: <46ED897F.4090407@qumranet.com> References: <5A8048DA7D460C488476F6565A202871421988@MAPIUDEM1.sim.umontreal.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Paquet Daniel Return-path: In-Reply-To: <5A8048DA7D460C488476F6565A202871421988-Jwk6rQSsWR5BPxk4rNIGpbN1bNppMqAtsOSz5zK2v9k@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 Paquet Daniel wrote: > Hello, > > I have a problem with kvm-38, there is a kernel oops and kvm dies with the guest os without even completely booting. KVM dies with reason 18240. > > I start my guests with : kvm -no-rtc -hda disks/windows-xp.qcow2 -localtime -m 512 -net nic,model=ne2k_pci,macaddr=00:00:00:00:00:01 -net tap,ifname=tap0 & > > I was trying kvm-38 because my machines are useless with kvm-35 and 36, they start to boot then they jump at 100% cpu and hang for 5-6 sec then restart to run for 3-4 sec then hang.. and so on... Sometimes they run okay like 1 time on 6 tries, what I do is I close the guest machine then unload the kvm modules and reload them and restart the guest machine, it doesn't work all the time. > > Sometimes I dont even unload and reload the modules and the guest machine starts okay. I am running a vanilla kernel 2.6.22.3 on debian. > > Here is the logs from the kernel. > ################################################## > Sep 12 09:37:42 res17 kernel: vmwrite error: reg 681c value c03a3228 (err -1069927896) > This should be fixed now. -- Any sufficiently difficult bug is indistinguishable from a feature. ------------------------------------------------------------------------- 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/