[Bug 787091] Re: Unable to use USB device in KVM quest

Serge Hallyn 787091 at bugs.launchpad.net
Fri Jul 1 13:40:26 UTC 2011


Thanks, Roy.  I'm sorry, this shoudl have occurred to me much sooner.  Just to make absolutely sure, could you add the following to the bottom of your /etc/libvirt/qemu.conf file:


cgroup_controllers = [ "cpu", "memory" ]

shut down your VM, restart libvirt-bin using

   sudo restart libvirt-bin

and see if your VM can now access the printer?

Also, could you attach the result of

   virsh dumpxml WindowsXP

?  libvirt is supposed to automatically add entries to the devices
whitelist to allow access to the usb printer, so I'm hoping the xml file
will offer clues as to why it didn't.

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Title:
  Unable to use USB device in KVM quest

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