Comment 2 for bug 1465915

Confirmed r2722 does not have the bug.

With more effort, I have now bisected the issue and found it was fixed by r2690:

------------------------------------------------------------
revno: 2690 [merge]
author: Alberto Aguirre <email address hidden>
committer: Tarmac
branch nick: development-branch
timestamp: Sat 2015-06-20 00:13:06 +0000
message:
  Fix potential data races and mutex locking order issues.

  Avoid FD data race in AsyncServerRunner
  Avoid data race on display_server pointer in ServerRunner
  Avoid potential lock ordering issues in mir::client::ConnectionSurfaceMap.

  Approved by PS Jenkins bot, Alan Griffiths.
------------------------------------------------------------