From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: [Qemu-devel] Re: kvm crashes with spice while loading qxl Date: Wed, 02 Mar 2011 09:22:35 +0100 Message-ID: <4D6DFE4B.6040805@web.de> References: <4D68F20D.2020401@web.de> <20110227190312.GA14445@playa.redhat.com> <4D6AA1DE.6020102@web.de> <20110301125846.GA19545@playa.tlv.redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigDDBBA0E54A408CC1944B7E10" To: xming , Gerd Hoffmann , qemu-devel , kvm@vger.kernel.org Return-path: Received: from fmmailgate02.web.de ([217.72.192.227]:59560 "EHLO fmmailgate02.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755738Ab1CBIWi (ORCPT ); Wed, 2 Mar 2011 03:22:38 -0500 In-Reply-To: <20110301125846.GA19545@playa.tlv.redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigDDBBA0E54A408CC1944B7E10 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 2011-03-01 13:58, Alon Levy wrote: > On Sun, Feb 27, 2011 at 08:11:26PM +0100, Jan Kiszka wrote: >> On 2011-02-27 20:03, Alon Levy wrote: >>> On Sat, Feb 26, 2011 at 01:29:01PM +0100, Jan Kiszka wrote: >>>> On 2011-02-26 12:43, xming wrote: >>>>> When trying to start X (and it loads qxl driver) the kvm process ju= st crashes. >>> >>> This is fixed by Gerd's attached patch (taken from rhel repository, d= on't know >>> why it wasn't pushed to qemu-kvm upstream). I'll send it to kvm list = as well (separate email). >> >> Patch looks OK on first glance, but the changelog is misleading: This >> was broken for _both_ trees, but upstream didn't detect the bug. >=20 > So I didn't test with qemu not having this patch, but according to the = discussion in the > launchpad bug the problem only happens with qemu-kvm. This doesn't rule= out it being a > bug, perhaps it is just triggered much less frequently I guess. Again: qemu-kvm has the instrumentation to detect the bug, qemu is lacking this, but both trees will break subtly if cpu_current_env is not properly restored. Jan --------------enigDDBBA0E54A408CC1944B7E10 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.15 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org/ iEYEARECAAYFAk1t/ksACgkQitSsb3rl5xTtKQCfdPYtry5tNvHoRxMTFALm5FVg 2MoAoKW53FoxQyCB4GJ7739zEsaIIu+F =CyVl -----END PGP SIGNATURE----- --------------enigDDBBA0E54A408CC1944B7E10--