From mboxrd@z Thu Jan 1 00:00:00 1970 From: Farkas Levente Subject: Re: smp bug in kvm-69 Date: Mon, 09 Jun 2008 19:45:26 +0200 Message-ID: <484D6C36.1050800@bppiac.hu> References: <483D4000.9030907@bppiac.hu> <484D59CE.7050301@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from gv-out-0910.google.com ([216.239.58.186]:21229 "EHLO gv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752715AbYFIRph (ORCPT ); Mon, 9 Jun 2008 13:45:37 -0400 Received: by gv-out-0910.google.com with SMTP id e6so553750gvc.37 for ; Mon, 09 Jun 2008 10:45:36 -0700 (PDT) In-Reply-To: <484D59CE.7050301@qumranet.com> Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity wrote: > Farkas Levente wrote: >> hi, >> we just noticed that while we run a guest with 4vcpu (the host has 4 >> core): >> ----------------------------------------- >> 3278 ? Sl 2138:49 /usr/bin/qemu-kvm -M pc -m 2048 -smp 4 >> -monitor pty -boot c -hda /dev/VolGroup00/centos-i386-root -hdb >> /dev/VolGroup00/centos-i386-swap -hdc /dev/md2 -net >> nic,macaddr=00:16:3e:58:66:7b,vlan=0 -net >> tap,fd=11,script=,vlan=0,ifname=vnet0 -usb -usbdevice tablet -vnc >> 127.0.0.1:0 >> ----------------------------------------- >> the guest only see 3 cpu?: >> ----------------------------------------- > > > Does this happen every time? Is the host loaded when you start the > guest with some other task? no just sometimes, sometimes nont > It may be that there is some guest timeout during startup which causes > the cpu to go missing. > you knows:-) -- Levente "Si vis pacem para bellum!"