From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: [PATCH uq/master 0/3] Fix MSI injection at load time Date: Tue, 30 Oct 2012 19:22:24 +0100 Message-ID: <50901AE0.5060709@web.de> References: <1351599394-24876-1-git-send-email-pbonzini@redhat.com> <509004AD.3010500@redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig189B247B099E8C1CD2D87DCC" Cc: qemu-devel@nongnu.org, avi@redhat.com, mtosatti@redhat.com, kvm@vger.kernel.org, Amit Shah To: Paolo Bonzini Return-path: Received: from mout.web.de ([212.227.15.3]:63306 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759673Ab2J3SW0 (ORCPT ); Tue, 30 Oct 2012 14:22:26 -0400 In-Reply-To: <509004AD.3010500@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig189B247B099E8C1CD2D87DCC Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 2012-10-30 17:47, Paolo Bonzini wrote: > Il 30/10/2012 13:16, Paolo Bonzini ha scritto: >> A simplified reproducer (that doesn't hang Linux, >> but shows the message) is to start the VM without a backend for the >> virtserialport, and to resume it with a backend, for example >> >> $ qemu-system-x86_64 -device virtio-serial-pci -device virtserialport = test.img --enable-kvm -m 512 >> $ qemu-system-x86_64 -device virtio-serial-pci -chardev stdio,id=3Dvs0= -device virtserialport,chardev=3Dvs0 test.img --enable-kvm -m 512 -incom= ing 'exec:cat foo.ckp' >=20 > Jan, Amit, >=20 > the same bug is also happening without MSI. The reproducer is the same= > as above, but with pci=3Dnomsi for Linux guests. After migration, "cat= > /dev/vport0p1" will not block, and if you have a NIC on the same line a= s > virtio-serial it will also not work. >=20 > Do any of you have some time to look at it? Likely not the very next days. :-/ Jan --------------enig189B247B099E8C1CD2D87DCC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://www.enigmail.net/ iEYEARECAAYFAlCQGuAACgkQitSsb3rl5xSl7wCfSvhByp6j4LPOSBzKOMhJrBRn stMAn1AvW9xyYuD2JjYFqvzhYPNBc63P =Q4Iq -----END PGP SIGNATURE----- --------------enig189B247B099E8C1CD2D87DCC--