[Bug 1117589] [NEW] Ubuntu containers fails to start on UEFI-enabled hosts

[Stéphane Graber]

Public bug reported:

== Rationale ==
Ubuntu introduced the use of the efivars filesystem for UEFI hosts and it's been backported to current stable releases.
On machines running UEFI, mountall will attempt to mount the efivars filesystem, even in containers.

Unfortunately our apparmor profile prevents that and as a result the container completely fails to boot.
The problem was easily fixed in raring but we need to have this backported to precise and quantal.

== Test case ==
1) Find a system running Ubuntu on UEFI
2) lxc-create -t ubuntu -n p1
3) lxc-start -n p1
4) Just boot fine where it used to fail prior to the update.

== Regression potential ==
None that I can think of, the change only allows the extra filesystem in apparmor and prevent any actual access to it, so from a user perspective, they don't actually get access to anything new.

** Affects: lxc (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1117589

Title:
  Ubuntu containers fails to start on UEFI-enabled hosts

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