From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:53901) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RDDfF-0006Ix-QX for qemu-devel@nongnu.org; Mon, 10 Oct 2011 07:04:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RDDfD-0006KJ-EM for qemu-devel@nongnu.org; Mon, 10 Oct 2011 07:04:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:28739) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RDDfD-0006KD-7P for qemu-devel@nongnu.org; Mon, 10 Oct 2011 07:04:55 -0400 Date: Mon, 10 Oct 2011 12:04:44 +0100 From: "Daniel P. Berrange" Message-ID: <20111010110444.GQ9408@redhat.com> References: <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> <20111010102112.GB2550@bow.tlv.redhat.com> <4E92CD94.4090104@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4E92CD94.4090104@redhat.com> Subject: Re: [Qemu-devel] [Question] dump memory when host pci device is used by guest Reply-To: "Daniel P. Berrange" List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini Cc: Jan Kiszka , Luiz Capitulino , qemu-devel , "Richard W.M. Jones" On Mon, Oct 10, 2011 at 12:48:52PM +0200, Paolo Bonzini wrote: > On 10/10/2011 12:21 PM, Alon Levy wrote: > >> A core file would be that format - for direct gdb processing. No > >> proprietary re-inventions please. > > > >Just a note: A core file to windows core dump file would be nice for > >windows guest crashes. > > That requires cooperation from a kernel driver in the Windows guest. > The driver must call KeInitializeCrashDumpHeader and write somewhere > the physical address of the buffer. That won't be suitable for 'virsh dump' then, because we need this to work when the guest OS is in a crashed/non-responsive state, and so we cna't rely on talking to it. Daniel. -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|