From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lucas Meneghel Rodrigues Subject: TSC host kernel message with kvm.git as host kernel and qemu-kvm.git as userspace Date: Thu, 21 Oct 2010 17:49:08 -0200 Message-ID: <1287690549.3125.27.camel@freedom> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: zamsden@redhat.com To: KVM mailing list Return-path: Received: from mx1.redhat.com ([209.132.183.28]:44001 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752116Ab0JUTtM (ORCPT ); Thu, 21 Oct 2010 15:49:12 -0400 Received: from int-mx03.intmail.prod.int.phx2.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.16]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o9LJnBec016944 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Thu, 21 Oct 2010 15:49:11 -0400 Sender: kvm-owner@vger.kernel.org List-ID: Hi folks, I was doing some work at one of our host machines, the one that runs upstream (Fedora 14, kvm.git as the kernel and qemu-kvm.git as userspace), and I noticed the kernel message: kvm: unreliable cycle conversion on adjustable rate TSC kvm: SMP vm created on host with unstable TSC: guest TSC will not be reliable The host being tested in this case was RHEL 5.5 i386. Command line of the install test: /usr/local/autotest/tests/kvm/qemu -name 'vm1' -monitor unix:'/tmp/monitor-humanmonitor1-20101021-160403-PrKT',server,nowait -qmp unix:'/tmp/monitor-qmpmonitor1-20101021-160403-PrKT',server,nowait -serial unix:'/tmp/serial-20101021-160403-PrKT',server,nowait -drive file='/tmp/kvm_autotest_root/images/rhel5-32.qcow2',index=0,if=ide,cache=none -device rtl8139,mac=9a:47:46:1a:e6:b9,netdev=idAcPzhW -netdev user,id=idAcPzhW,tftp='/usr/local/autotest/tests/kvm/images/rhel55-32/tftpboot',bootfile='/pxelinux.0',hostfwd=tcp::5000-:22,hostfwd=tcp::5001-:12323 -m 1024 -smp 2 -drive file='/tmp/kvm_autotest_root/isos/linux/RHEL-5.5-i386-DVD.iso',media=cdrom,index=2 -drive file='/tmp/kvm_autotest_root/images/rhel55-32/ks.iso',media=cdrom,index=1 -vnc :0 -boot d -boot cn I was oriented by Marcelo to report this to the kvm list and copy Zach on the e-mail. There, done :) Lucas