From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: kvm tools: rhel6.0 guest hung during shutdown Date: Mon, 11 Apr 2011 22:07:43 +0300 Message-ID: <20110411190743.GA21604@redhat.com> References: <20110410134931.GA7635@t400> <20110410135854.GF17809@redhat.com> <1302548490.15231.15.camel@jaguar> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Amos Kong , kvm@vger.kernel.org, Cyrill Gorcunov , Asias He , Ingo Molnar To: Pekka Enberg Return-path: Received: from mx1.redhat.com ([209.132.183.28]:63638 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755476Ab1DKTHw (ORCPT ); Mon, 11 Apr 2011 15:07:52 -0400 Content-Disposition: inline In-Reply-To: <1302548490.15231.15.camel@jaguar> Sender: kvm-owner@vger.kernel.org List-ID: On Mon, Apr 11, 2011 at 10:01:30PM +0300, Pekka Enberg wrote: > On Sun, 2011-04-10 at 16:58 +0300, Gleb Natapov wrote: > > On Sun, Apr 10, 2011 at 09:49:31PM +0800, Amos Kong wrote: > > > System halted. > > > [note: guest hung .......] > > > > > Isn't that expected result without ACPI support? I would expect all guests > > to hang like that at the end. > > I see hangs with Debian Squeeze image too but not with the minimal QEMU > image I usually test things with. I wonder, though, why userspace > insists on using ACPI for shutdown as we boot with 'noapic'. > There is not way to power down PC from software without ACPI (may be APM has something, but I doubt kvm-tool implements it either). Do you remember Windows 95 "it is now safe to turn off your computer" screen? -- Gleb.