[Bug 435527] Re: [regression] apparmor profile not updated on attach and detach of devices

[Jamie Strandboge]

Markus,

This bug is about using attach and detach commands via libvirt, and not USB (hostdev) devices. Hostdev support will be added in 10.04. In the meantime, please see /etc/apparmor.d/abstractions/libvirt-qemu:
  # WARNING: uncommenting these gives the guest direct access to host hardware.
  # This is required for USB pass through but is a security risk. You have been
  # warned.
  #/sys/bus/usb/devices/ r,
  #/sys/devices/*/*/usb[0-9]*/** r,
  #/dev/bus/usb/*/[0-9]* rw,

If you uncomment the apparmor rules above, then stop and start your VM,
USB should work fine. If not, please file a different bug.

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[regression] apparmor profile not updated on attach and detach of devices
https://bugs.launchpad.net/bugs/435527
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