From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754782AbbEZNch (ORCPT ); Tue, 26 May 2015 09:32:37 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:25322 "EHLO aserp1040.oracle.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753904AbbEZN04 (ORCPT ); Tue, 26 May 2015 09:26:56 -0400 Message-ID: <55647460.1050200@oracle.com> Date: Tue, 26 May 2015 09:25:52 -0400 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Luiz Capitulino , Marcelo Tosatti CC: KVM General , LKML , Paolo Bonzini Subject: Re: kvm: odd time values since "kvmclock: set scheduler clock stable" References: <55528A04.2060404@oracle.com> <20150518223936.GA4486@amt.cnet> <555A79A5.608@oracle.com> <20150519001331.GA15517@amt.cnet> <555A99C1.6090300@oracle.com> <555A9C2F.7080109@oracle.com> <20150522004123.GB5242@amt.cnet> <20150526092136.5ae50b8e@redhat.com> In-Reply-To: <20150526092136.5ae50b8e@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/26/2015 09:21 AM, Luiz Capitulino wrote: >> Sasha, >> > >> > Can you give the suggested patch (hypervisor patch...) a try please? >> > (with a patched guest, obviously). >> > >> > KVM: x86: zero kvmclock_offset when vcpu0 initializes kvmclock system >> > MSR > I've tried your v2, it works for me. My test-case is very simple though: > I just boot a VM, log in and reboot. This reproduces the issue Sasha > reported 100% of the times for me (don't need multi-vcpu guest either). Sorry for the delay, we had a long weekend here. It seems to work fine here, no more jumps when booting. Thanks, Sasha