From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Subject: Re: A non-responsive guest problem Date: Mon, 22 Aug 2011 17:46:06 +0800 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: kvm@vger.kernel.org To: Stefan Hajnoczi Return-path: Received: from mail-vw0-f46.google.com ([209.85.212.46]:35343 "EHLO mail-vw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752970Ab1HVJq0 convert rfc822-to-8bit (ORCPT ); Mon, 22 Aug 2011 05:46:26 -0400 Received: by vws1 with SMTP id 1so3795717vws.19 for ; Mon, 22 Aug 2011 02:46:26 -0700 (PDT) In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Hi, I found the clock of guest OS has been changed. For example, today was = Aug 22, but I found the time of guest was Mar 22 from the VNC desktop. The = clock source of guest was kvm-clock. Was it related to KVM clock bug? How abo= ut it if I changed the clock to tsc? Thanks, Paul On Fri, Aug 19, 2011 at 9:18 PM, Stefan Hajnoczi w= rote: > > On Thu, Aug 18, 2011 at 8:42 AM, Paul wrote: > > Today I saw the guest OS hung and was no responsive. In the host, I > > found the guest was running via virsh command. But I couldn't use s= sh > > to connect the guest, and even couldn't ping it. I could use VNC sa= w > > the desktop of VNC, but I couldn't move the mouse pointer. In the > > host, the qemu-kvm process occupied almost 100% CPU. > > > > The host was Redhat Enterprise Linux 6 64bit (not SP1). =A0The CPU = was > > Intel quad-core Q9550S. The guest was SUSE Linux Enterprise Server = 11 > > SP1 64bit. The guest had been running for two weeks before it hung. > > Any interesting messages in dmesg on the host? > > Stefan