From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34930) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VdPd5-0000oV-IQ for qemu-devel@nongnu.org; Mon, 04 Nov 2013 14:16:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VdPd0-00029e-N5 for qemu-devel@nongnu.org; Mon, 04 Nov 2013 14:16:03 -0500 Received: from mx1.redhat.com ([209.132.183.28]:6206) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VdPd0-00029W-DY for qemu-devel@nongnu.org; Mon, 04 Nov 2013 14:15:58 -0500 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id rA4JFvv8010758 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 4 Nov 2013 14:15:57 -0500 Message-ID: <5277F26C.4060203@redhat.com> Date: Mon, 04 Nov 2013 12:15:56 -0700 From: Eric Blake MIME-Version: 1.0 References: <1383571848-30518-1-git-send-email-pbonzini@redhat.com> In-Reply-To: <1383571848-30518-1-git-send-email-pbonzini@redhat.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ncdAK9cuNgGODuBqDiNwfbdwPCQ8qiSpB" Subject: Re: [Qemu-devel] [PATCH 1.7] vl: allow "cont" from panicked state List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , qemu-devel@nongnu.org Cc: mst@redhat.com This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --ncdAK9cuNgGODuBqDiNwfbdwPCQ8qiSpB Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 11/04/2013 06:30 AM, Paolo Bonzini wrote: > After reporting the GUEST_PANICKED monitor event, QEMU stops the VM. > The reason for this is that events are edge-triggered, and can be lost = if > management dies at the wrong time. Stopping a panicked VM lets managem= ent > know of a panic even if it has crashed; management can learn about the > panic when it restarts and queries running QEMU processes. The downsid= e > is of course that the VM will be paused while management is not running= , > but that is acceptable if it only happens with explicit "-device pvpani= c". >=20 > Upon learning of a panic, management (if configured to do so) can pick = a > variety of behaviors: leave the VM paused, reset it, destroy it. In > addition to all of these behaviors, it is possible to dump the VM core > from the host. >=20 =2E.. > --- > gdbstub.c | 3 --- > vl.c | 6 ++---- > 2 files changed, 2 insertions(+), 7 deletions(-) Reviewed-by: Eric Blake --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --ncdAK9cuNgGODuBqDiNwfbdwPCQ8qiSpB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJSd/JtAAoJEKeha0olJ0Nqv0oH/0Prn5Vx28CeJojhtFs+XK/F mz7s24Lhi2iOEavADwNwNjYU/Ps/1UxMYYAyxCFaieK4uA+JiWWKZKSZTUzdT9jW UKmpII/WKxz7TvCAbxljgtwg+g+mIzPzQFVzO8p3XWCPhWNhylUQccJxCAI2NBMj xhfYoL9OIqDEDtWAmKyxEil51ZXK1R6SuYkhDX8PFpU9tsYV4J637HpKGXirAOvX 63BZUMZpnkIREvbD8+bjjkf/JxYHUd1wQeqgNa5N3jhqE5muWj3Nb5V51iG6e6P8 BYeVtaKQsZuDYcbeTkSbTRKE1U6MjlJdW5jRDeQz44JriNW9cHDzldNkfOXwFy8= =8WOu -----END PGP SIGNATURE----- --ncdAK9cuNgGODuBqDiNwfbdwPCQ8qiSpB--