[libvirt-users] USB passthrough not working

Dale Amon amon at vnl.com
Tue May 21 04:02:02 UTC 2013


On Mon, May 20, 2013 at 08:43:45PM -0600, Eric Blake wrote:
> On 05/20/2013 08:20 PM, Dale Amon wrote:
> > I just updated an Ubuntu Oneiric to Raring and the VM that works fine on one
> > fails to start a VM with this passthrough:
> > 
> >    <hostdev mode='subsystem' type='usb' managed='no'>
> >       <source>
> >         <vendor id='0x055f'/>
> >         <product id='0x040b'/>
> >         <address bus='3' device='8'/>
> >       </source>
> >     </hostdev>
> > 
> > It just dies at boot time.
> 
> Can you post actual versions of libvirt and qemu in use before and after
> the distro upgrade?  Also, can you investigate if there were any useful
> messages in either /var/log/libvirt/libvirtd.log or
> /var/log/libvirt/qemu/$guest.log?  Otherwise, you haven't given us quite
> enough to go on.

Understood. I figured you'd tell me exactly what you needed :-)

Will dig it all out and get it to you ASAP.




More information about the libvirt-users mailing list