[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] Re: [libvirt] Re: [PATCH] Hardware watchdog patch, version
Daniel P. Berrange
[Qemu-devel] Re: [libvirt] Re: [PATCH] Hardware watchdog patch, version 6
Wed, 8 Apr 2009 15:35:32 +0100
On Wed, Apr 08, 2009 at 09:18:55AM -0500, Anthony Liguori wrote:
> Daniel P. Berrange wrote:
> >On Tue, Apr 07, 2009 at 04:19:42PM -0500, Hollis Blanchard wrote:
> >>Hi Rich, your watchdog qemu patch is working fine for me (i6300esb,
> >>default reset behavior), but I was wondering... how should libvirt find
> >>out about the watchdog firing?
> >This falls into the general problem space of how does QEMU notify its
> >management app of interesting events. We already really want the
> >ability to be notify of ENOSPC errors in disks, and also would like
> >to know if the VM is paused for any reason outside our control.
> >There have been proposals to just print an async message to the
> >monitor upon events, that mgmt app could then parse. This is a little
> >fragile though, so for a long term solutiuon we really need the generic
> >libqemumonitor.so type API with formal async notification support.
> I just posted a patch series that demonstrate how I think it should
> work. FWIW, I think notifications are orthogonal to libqemumonitor.so
> and a non-human monitor mode.
If we get a way to have async events without waiting for libqemumonitor.so
that'd make me very happy :-)
|: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :|
|: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|