From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Piotr_Jaroszy=C5=84ski?= Subject: Re: kvm hardlocks on hp dv9010us Date: Mon, 11 May 2009 13:37:53 +0200 Message-ID: References: <4A0809FE.7050801@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from mail-bw0-f174.google.com ([209.85.218.174]:63817 "EHLO mail-bw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752300AbZEKLiN convert rfc822-to-8bit (ORCPT ); Mon, 11 May 2009 07:38:13 -0400 Received: by bwz22 with SMTP id 22so2545286bwz.37 for ; Mon, 11 May 2009 04:38:13 -0700 (PDT) In-Reply-To: <4A0809FE.7050801@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 2009/5/11 Avi Kivity : > Piotr Jaroszy=C5=84ski wrote: >> >> I have a hp dv9010us laptop (one of those that hard locked before >> CONFIG_IO_DELAY_* options were introduced in kernel - not sure if it >> may be related at all). >> > > I skipped this bit, and it's crucial. =C2=A0kvm passes port 80 to go = from guest > to host as an optimization, and of course it kills your laptop. =C2=A0= I'll fix > this up. > > (nowadays it may be faster to emulate the port access in the kernel r= ather > than pass it to the hardware, so this is likely to be a performance > improvement as well). > > In the meantime, you can use the attached patch. That was quick, thanks a lot! Seems to be working so far (~10 mins) and before it was lucky to even get through boot, so I think that was it. --=20 Best Regards, Piotr Jaroszy=C5=84ski