[Pkg-libvirt-maintainers] Bug#565767: Bug#565767: libvirt-bin: VM doesn't work after upgrade: qemu: Could not initialize device 'tap'

[Guido Günther]

On Wed, Feb 03, 2010 at 06:06:24PM +0100, Tino Keitel wrote:
> On Mon, Feb 01, 2010 at 07:34:37 +0100, Guido Günther wrote:
> 
> [...]
> 
> > I do see the problem now. You're not letting libvirtd setup your tap
> > devices but do this yourself using interface type ethernet instead of
> > network (which is totally valid of course). Could you try to rebuild
> > libvirt without --without-libcapng and see if this helps? You can
> > additionally drop the --with-qemu-user and --with-qemu-group options. 
> 
> I think you mean "with --without-libcapng". I rebuilt libvirt with this
Exactly.

> configure option, and with user = "root" and group = "root" in
> qemu.conf I can now start the VM and use it.
Thanks a lot for testing! That's a brute force solution we have now. I'd
be nicer if we could just save CAP_NET_ADMIN acress the exec when
needed.
Cheers,
 -- Guido