From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:53576) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RDWIu-0005lz-5F for qemu-devel@nongnu.org; Tue, 11 Oct 2011 02:59:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RDWIt-0006mh-53 for qemu-devel@nongnu.org; Tue, 11 Oct 2011 02:59:08 -0400 Received: from fmmailgate02.web.de ([217.72.192.227]:47287) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RDWIs-0006mR-PM for qemu-devel@nongnu.org; Tue, 11 Oct 2011 02:59:07 -0400 Message-ID: <4E93E930.6010008@web.de> Date: Tue, 11 Oct 2011 08:58:56 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <4E8ECA91.8040409@cn.fujitsu.com> <4E8ED167.1000705@siemens.com> <20111008151622.GA17181@amd.home.annexia.org> <4E916035.5050906@web.de> <20111009102338.GN16799@amd.home.annexia.org> <4E92568E.2010507@cn.fujitsu.com> <20111010090825.GG9408@redhat.com> <20111010091021.GH9408@redhat.com> <4E92BC34.6090500@siemens.com> <20111010101949.GP9408@redhat.com> <4E93A7FF.9060607@cn.fujitsu.com> In-Reply-To: <4E93A7FF.9060607@cn.fujitsu.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigAAD55E670CA2B4A45EB2991F" Sender: jan.kiszka@web.de Subject: Re: [Qemu-devel] [Question] dump memory when host pci device is used by guest List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Wen Congyang Cc: Luiz Capitulino , qemu-devel , "Richard W.M. Jones" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigAAD55E670CA2B4A45EB2991F Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 2011-10-11 04:20, Wen Congyang wrote: >>>> The other reason why it would be good, is that we would then have a = clearly >>>> defined standard "QEMU dump format", instead of "libvirt dump format= for QEMU" >>> >>> A core file would be that format - for direct gdb processing. No >>> proprietary re-inventions please. >> >> I have no personal attachment to any particular format, so if the stan= dard >> core file format is possible, then we should definitely try to use it = in >> QEMU. >=20 > I do not know whether there is such standard format. But IIRC, the form= at of kdump, > netdump, and diskdump is very similar. >=20 > If we want to use such format in qemu, I think we can not do live dump = in libvirt. You said you wanted to perform crash dumps - so there hardly anything alive at this point. Jan --------------enigAAD55E670CA2B4A45EB2991F 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://enigmail.mozdev.org/ iEYEARECAAYFAk6T6TYACgkQitSsb3rl5xSrWwCdHdoJKTCHK0ByEx37A3T9sbka gs4AoLpBfN+lHg0wY51FcP2XkRi30WtT =D7KR -----END PGP SIGNATURE----- --------------enigAAD55E670CA2B4A45EB2991F--