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On Tue, May 27, 2014 at 03:25:10PM +0530, abhishek jain wrote:
> Hi Daniel
> 
> Thanks for the help.
> The end result of my setup is that the VM is stucking at Spawning state on
> my compute node whereas it is working fine on the controller node.
> Therefore I'm comparing nova-compute logs of both compute node as well as
> controller node and trying to proceed step by step.
> I'm having all the above packages enabled
> 
> Do you have any idea regarding reason for VM stucking at spawning state.

The most common reason is that nested virt is broken.  libguestfs is the canary
in the mine here, not the cause of the problem.

Rich.

> 
> 
> On Tue, May 27, 2014 at 2:38 PM, Daniel P. Berrange <berrange at redhat.com>wrote:
> 
> > On Tue, May 27, 2014 at 12:04:23PM +0530, abhishek jain wrote:
> > > Hi
> > > Below is the code to which I'm going to reffer to..
> > >
> > >  vim /opt/stack/nova/nova/virt/disk/vfs/api.py
> > >
> > > #####################################################################
> > >
> > > try:
> > >             LOG.debug(_("Trying to import guestfs"))
> > >             importutils.import_module("guestfs")
> > >             hasGuestfs = True
> > >         except Exception:
> > >             pass
> > >
> > >         if hasGuestfs:
> > >             LOG.debug(_("Using primary VFSGuestFS"))
> > >             return importutils.import_object(
> > >                 "nova.virt.disk.vfs.guestfs.VFSGuestFS",
> > >                 imgfile, imgfmt, partition)
> > >         else:
> > >             LOG.debug(_("Falling back to VFSLocalFS"))
> > >             return importutils.import_object(
> > >                 "nova.virt.disk.vfs.localfs.VFSLocalFS",
> > >                 imgfile, imgfmt, partition)
> > >
> > > #######################################################
> > >
> > > When I'm launching  VM from the controller node onto compute node,the
> > > nova compute logs on the compute node displays...Falling back to
> > > VFSLocalFS and the result is that the VM is stuck in spawning state.
> > > However When I'm trying to launch a VM onto controller node form the
> > > controller node itself,the nova compute logs on the controller node
> > > dislpays ...Using primary VFSGuestFS and I'm able to launch VM on
> > > controller node.
> > > Is there any module in the kernel or any package that i need to
> > > enable.Please help regarding this.
> >
> > VFSGuestFS requires the libguestfs python module & corresponding native
> > package to be present, and only works with KVM/QEMU enabled hosts.
> >
> > VFSLocalFS requires loopback module, nbd module, qemu-nbd, kpartx and
> > a few other misc host tools
> >
> > Neither of these should cause a VM getting stuck in the spawning
> > state, even if stuff they need is missing.
> >
> > Regards,
> > 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:|
> >
> > _______________________________________________
> > OpenStack-dev mailing list
> > OpenStack-dev at lists.openstack.org
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >

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-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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