Public bug reported:

When apparmor prevents something from running, it doesn't notify the
user.  I expected it to notify the user via a popup or something
similar.

In my case, I wrote a Firefox plugin that opens an editor (like emacs or
gvim) with the contents of the textarea.  A user was able to configure
it to use gedit, but not sublime-text-2; sublime-text-2 would return an
exit code 1 and just fail to start.

see https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/882125 for
the details.

Long story short; If a simple dialog had popped up and said "AppArmor
prevented sublime-text-2 from running" then it would have saved all our
time: The users, mine, and the gentleman who helped on the above bug.

If that isn't feasible then maybe having it exit with a non-standard
exit code (say, 126 or something) then we could have googled that.

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

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https://bugs.launchpad.net/bugs/882213

Title:
  Apparmor doesn't notify user of "enforcements"

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