From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: strange guest slowness after some time Date: Sun, 15 Mar 2009 18:14:30 +0200 Message-ID: <49BD2966.7000900@redhat.com> References: <49B29705.6000904@wpkg.org> <49B4E7A6.3090601@redhat.com> <49B4EDC9.9020504@wpkg.org> <49B4EE8F.7050001@redhat.com> <49B4F01E.9030402@wpkg.org> <49B4F185.5020605@redhat.com> <49B4F563.1080903@wpkg.org> <49B4FF66.8040609@wpkg.org> <49B5082C.2000900@redhat.com> <49B510F2.6090205@wpkg.org> <49BD21A4.6020107@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: "kvm@vger.kernel.org" To: Tomasz Chmielewski Return-path: Received: from mx2.redhat.com ([66.187.237.31]:52031 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752565AbZCOQOe (ORCPT ); Sun, 15 Mar 2009 12:14:34 -0400 In-Reply-To: <49BD21A4.6020107@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity wrote: > Tomasz Chmielewski wrote: >> >>> Does -no-kvm-irqchip help? >> >> Nope, it doesn't - with jiffies, time always stops. >> >> > > > Here, too. This is strange. On bare metal it works as expected. > I think it's unrelated. The PIT is programmed in one-shot mode (likely for the scheduler) and doesn't return to periodic mode. Pity the kernel doesn't warn about this. -- error compiling committee.c: too many arguments to function