From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: Hang on reboot in FreeBSD guest on Linux KVM host Date: Wed, 24 Jun 2015 19:15:31 +0200 Message-ID: <558AE5B3.8000107@redhat.com> References: <6DBD3DBB-24B1-4564-B524-E8E73508BBC5@jnielsen.net> <42870B81-CA29-4161-9BCE-F6D6020C3D2C@jnielsen.net> <539F1DC0.4020604@redhat.com> <4F14D859-D641-4AB5-B749-83D9D82F1DEA@jnielsen.net> <539FC243.2070906@redhat.com> <20140617060500.GA20764@minantech.com> <6850B127-F16B-465F-BDDB-BA3F99B9E446@jnielsen.net> <74412BDB-EF6F-4C20-84C8-C6EF3A25885C@jnielsen.net> <558AD1B0.5060200@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Bandan Das , Gleb Natapov , "kvm@vger.kernel.org" To: John Nielsen Return-path: Received: from mx1.redhat.com ([209.132.183.28]:52180 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754050AbbFXRPf (ORCPT ); Wed, 24 Jun 2015 13:15:35 -0400 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 24/06/2015 19:07, John Nielsen wrote: >=20 > Unfortunately I no longer have the test environment I used a few days > ago to reproduce this issue so I can=E2=80=99t verify the software ve= rsions > that were in use. It=E2=80=99s possible I was mistaken about the kern= el > version (I thought it was 4.0.4). Perhaps it really is fixed in the > newer kernel? In any case, this is great news! I would be interested > in identifying the patch(es) that fixed the issue to make > back-porting them easier, but I won=E2=80=99t have time to do a binar= y search > anytime soon. Random guess: commit a323b409820c8afd33fbd841f5534eb84b406e8d Author: Radim Kr=C4=8Dm=C3=A1=C5=99 Date: Thu Oct 30 15:06:46 2014 +0100 KVM: x86: detect LVTT changes under APICv commit e462755cae2bf8297a663278935ad4d59812d2f3 Author: Radim Kr=C4=8Dm=C3=A1=C5=99 Date: Thu Oct 30 15:06:45 2014 +0100 KVM: x86: detect SPIV changes under APICv Paolo