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

[Serge Hallyn]

Quoting Royston Carter (787091 at bugs.launchpad.net):
> Serge,
> I have uncommented the cgroup_controllers line out of qemu.conf and rebooted
> but still have the problem. I will attach this file and the xmldump of the
> vm. Is there a way of completely taking cgroup out of the picture.

Yes.  You simply make sure they are not mounted at boot.  If you set them
up by adding a line to /etc/fstab reading something like:

cgroup  /sys/fs/cgroup  cgroup  defaults        0       0

Then just remove that line, and 'sudo umount -a -t cgroup' or reboot.

If you installed cgroup-bin, then just uninstall that by doing
'sudo apt-get purge cgroup-bin'.  You may after that still need to do
'sudo umount -a -t cgroup' or reboot.

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https://bugs.launchpad.net/bugs/787091

Title:
  Unable to use USB device in KVM quest

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