From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dor Laor Subject: Re: kvm XP P2V required ACPI->Standard PC HAL change, keep or revert to ACPI? Date: Thu, 23 Oct 2008 10:37:18 +0200 Message-ID: <490037BE.60706@redhat.com> References: Reply-To: dor@redhat.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Jeff Kowalczyk Return-path: Received: from mx2.redhat.com ([66.187.237.31]:41248 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751341AbYJWIhI (ORCPT ); Thu, 23 Oct 2008 04:37:08 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: Jeff Kowalczyk wrote: > I'm running a physical-to-virtual Windows XP Dell OEM instance on Ubuntu > 8.04.1 kvm-62 with kvm-intel and bridged networking. > > After early BSOD difficulty with the output of VMWare Converter > 3.0.3, I did manage to get the XP P2V instance ready to run under > kvm after changing from the Windows XP HAL ACPI to "Standard PC" in device > manager under VMWare Player. > > After a complete redetection of system hardware and resources (perhaps > this was the true reason it started to work), the instance must now be > activated again. It works very well, but must be shut down at the "You may > now turn off the PC". > > This is a headless kvm server for a few straggle windows apps, and the kvm > instance will seldom be rebooted. > > Should I activate as Standard PC, or attempt to convert the HAL back to > ACPI. > > Basically it should work. Maybe newer kvm will encounter less problems. > Is there still any performance penalty for ACPI with kvm-62? > > Since we have the tpr optimization it should be fine. Nevertheless we did measure about 10%-20% performance penalty on windows acpi. > What is the kvm shutdown behavior with an ACPI HAL? > It should be fine and turn off the process completely. btw: you can install APM module on the standard HAL too and it power down the VM to exit completely too. > Thanks, > Jeff > > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >