[libvirt-users] qemu-monitor-command

[Shawn Davis]

On Wed, Mar 21, 2012 at 4:03 PM, Eric Blake <eblake at redhat.com> wrote:

> On 03/21/2012 02:58 PM, Shawn Davis wrote:
>
> >> Older libvirt had a bug where it wouldn't parse qemu 1.0 version (the
> >> change from 3 digits to 2 confused the older libvirt).  If you're going
> >> to go with self-built qemu, you might also want to try self-built
> >> libvirt 0.9.10.
> >>
> >> --
> >> Eric Blake   eblake at redhat.com    +1-919-301-3266
> >> Libvirt virtualization library http://libvirt.org
> >>
> >
> > I installed libvirt 0.9.10 from source and now virsh is not finding the
> > following:
> >
> > testa at testaT4:~$ virsh list
> > virsh: /usr/lib/libvirt-qemu.so.0: version `LIBVIRT_QEMU_0.9.4' not found
> > (required by virsh)
>
> Ouch - you've now got version mismatch, where you didn't completely
> uninstall the distro version, and your self-built version is installed
> in locations that pick up the distro version.  Did you use the right
> configure flags?
>
> > I can't install qemu 1.0 and libvirt 0.9.10 through apt right?
>
> Ah, apt - are you on debian or ubuntu?  I don't know as much about the
> versions that those distros are using (I'm personally using Fedora 16,
> along with the fedora-virt-preview repo, which gives 0.9.10 pre-built).
>
> > I assume I
> > had to get them from source.  Anyways, please let me know how I can get
> > virsh to see that I have 0.9.10.  Once I get this working and can run
> that
> > monitor command I will be in good shape.
>
> There might be someone already shipping a pre-built 0.9.10 apt, but I
> wouldn't know where to tell you to look, so building from source is the
> other alternative.  If you build from libvirt.git, you can use
> './autobuild.sh --system' to help set the ./configure options that match
> with the typical installation directories for at least Fedora, but
> again, I don't know how that fares with the debian installation layout
> (and patches are welcome to autobuild.sh for anyone that wants to use it
> on a debian layout).
>
> --
> Eric Blake   eblake at redhat.com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>
>

Yeah, I am using Ubuntu 11.10.  I was able to uninstall the old libvirt and
virsh works again but still getting this when trying to start the vm:

testa at testaT4:~$ virsh list
 Id    Name                           State
----------------------------------------------------

testa at testaT4:~$ virsh version
Compiled against library: libvir 0.9.10
Using library: libvir 0.9.10
Using API: QEMU 0.9.10
error: failed to get the hypervisor version
error: internal error Cannot find suitable emulator for x86_64

testa at testaT4:~$ virsh -c qemu:///system start Shawn
error: Failed to connect socket to
'/usr/local/var/run/libvirt/libvirt-sock': No such file or directory
error: failed to connect to the hypervisor
testa at testaT4:~$

Thanks again for helping me out!
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