From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: Re: commit f8f559422b (KVM: MMU: fast invalidate all mmio sptes) causes hang Date: Thu, 18 Jul 2013 03:52:43 +0800 Message-ID: <1B1F8ADA-1CD3-4CC4-B24D-A0C81B7DFCC5@gmail.com> References: <20130717163215.GA359@x4> <20130717164232.GI13732@redhat.com> <20130717165743.GA357@x4> <20130717193100.GM13732@redhat.com> Mime-Version: 1.0 (Mac OS X Mail 6.5 \(1508\)) Content-Type: text/plain; charset=windows-1255 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Markus Trippelsdorf , kvm@vger.kernel.org, Xiao Guangrong , Marcelo Tosatti , Paolo Bonzini , linux-kernel@vger.kernel.org To: Gleb Natapov Return-path: In-Reply-To: <20130717193100.GM13732@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On Jul 18, 2013, at 3:31 AM, Gleb Natapov wrote: > On Thu, Jul 18, 2013 at 03:07:11AM +0800, Xiao Guangrong wrote: >> Ouch! >>=20 >> The guest is hang when boot from ubuntu iso, i bisected the code and= found it is caused by: >>=20 >> cad55f1aed000db46dfd1b5706707f33624d8604 is the first bad commit >> commit cad55f1aed000db46dfd1b5706707f33624d8604 >> Author: Cornelia Huck >> Date: Wed Jul 3 16:30:53 2013 +0200 >>=20 >> KVM: kvm-io: support cookies >>=20 >> Add new functions kvm_io_bus_{read,write}_cookie() that allows us= ers of >> the kvm io infrastructure to use a cookie value to speed up looku= p of a >> device on an io bus. >>=20 >> Signed-off-by: Cornelia Huck >> Signed-off-by: Paolo Bonzini >>=20 >> Now, i have reset the code behind this commit and continue to instal= l the guest=85... >>=20 > You are on an old queue branch (the commit was never in next). I fixe= d it not long time ago. Can you > pull? Yes. The issue is gone after update the code. Thank you, Gleb!