blktap2 fails to terminate with filenames containing blanks

[Philipp Hahn]

Shutting down a domU with xen-4.1.6.1 doesn't terminate the corresponding blktap2
process, since one (other) VM uses a image file, which contains spaces in its
file name. /var/log/xen/xend-debug.log has the following information:

Unhandled exception in thread started by
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/xen/xend/server/BlktapController.py", line 199, in finishDeviceCleanup
    TapdiskController.destroy(path)
  File "/usr/lib/python2.6/dist-packages/xen/xend/server/BlktapController.py", line 289, in destroy
    tapdisk = TapdiskController.fromDevice(device)
  File "/usr/lib/python2.6/dist-packages/xen/xend/server/BlktapController.py", line 278, in fromDevice
    TapdiskController.list())
  File "/usr/lib/python2.6/dist-packages/xen/xend/server/BlktapController.py", line 256, in list
    key, value = pair.split('=')
ValueError: need more than 1 value to unpack

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "Fix tap-ctl parsing" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

[Miriam España Acebal (mirespace)]

The mentioned version of xen belongs to Precise which is now in End of Life time and this bug doesn't qualify for it, so this bug will not be fixed for that release.