From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: Bug#707257: linux-image-3.8-1-686-pae: KVM crashes with "entry failed, hardware error 0x80000021" Date: Wed, 19 Jun 2013 17:38:20 +0300 Message-ID: <20130619143820.GQ5832@redhat.com> References: <51B073F1.8030107@sp.consulting.lsexperts.de> <20130606114025.GC4725@redhat.com> <51B07C3F.2060104@sp.consulting.lsexperts.de> <20130609094328.GM4725@redhat.com> <51B9B3AE.2040902@sp.consulting.lsexperts.de> <51B9CC54.6070009@redhat.com> <51B9DE49.3070606@sp.consulting.lsexperts.de> <51BD05E0.5000205@sp.consulting.lsexperts.de> <20130619134154.GN5832@redhat.com> <51C1BC34.6020303@sp.consulting.lsexperts.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Paolo Bonzini , Ben Hutchings , kvm@vger.kernel.org, 707257@bugs.debian.org To: Stefan Pietsch Return-path: Received: from mx1.redhat.com ([209.132.183.28]:65465 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756427Ab3FSOib (ORCPT ); Wed, 19 Jun 2013 10:38:31 -0400 Content-Disposition: inline In-Reply-To: <51C1BC34.6020303@sp.consulting.lsexperts.de> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Jun 19, 2013 at 04:12:04PM +0200, Stefan Pietsch wrote: > On 19.06.2013 15:41, Gleb Natapov wrote: > > On Sun, Jun 16, 2013 at 02:25:04AM +0200, Stefan Pietsch wrote: > >> > >> first bad commit: [25391454e73e3156202264eb3c473825afe4bc94] > >> KVM: VMX: don't clobber segment AR of unusable segments. > >> > >> > >> 25391454e73e3156202264eb3c473825afe4bc94 > >> emulate_invalid_guest_state=0 -> hangs and shows "KVM: entry failed" > >> emulate_invalid_guest_state=1 -> hangs > >> > > With emulate_invalid_guest_state=1 the commit does nothing. Can you > > double check that 218e763f458c44f30041c1b48b4371e130fd4317 works for you > > with emulate_invalid_guest_state=1? > > > 218e763f458c44f30041c1b48b4371e130fd4317 > emulate_invalid_guest_state=0 -> works > emulate_invalid_guest_state=1 -> hangs > > 25391454e73e3156202264eb3c473825afe4bc94 broke > emulate_invalid_guest_state=0. Can you provide the output of 25391454e73e3156202264eb3c473825afe4bc94 and emulate_invalid_guest_state=0. Also run "x/20i $pc-20" in qemu monitor after the hang. -- Gleb.