[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Re: [PATCH] qemu-xen: Fix PV segfault
On Wed, Jul 02, 2008 at 05:28:45PM +0200, Stefan de Konink wrote: > Ian Jackson schreef: > >Stefan de Konink writes ("Re: [Xen-devel] Re: [PATCH] qemu-xen: Fix PV > >segfault"): > >>But this isn't the case now at all, is it? I name xenstored; is the move > >>that Samuel with minios takes a way to solve this? > > > >xenstored is not critical to the run-time operation of PV domains. > >Without it you can't boot, add devices, etc. etc. But you can (for > >example) shut down a PV domain cleanly. > > So the actual 'problem' is the storage of the domain properties, > preferably in a 'process' that is not running, but an API that can query > it. I think Libvirtd fails on that point too, everything gets fubar, > once a daemon breaks. The reason for a running daemon providing domain > specific information is not clear for me, storing it on disk will always > give better recovery possibilities. That is just an artifact of libvirt being written to work with all QEMU versions back to 0.8.1, which didn't have a good way to re-connect to the monitor of a running VM. Its on the TODO list to automatically use a UNIX socket for monitor communication when we detect QEMU >= 0.9.x so there's no need for libvirt be the direct parent of the QEMU processes Daniel -- |: 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 :| _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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