Commit: 72a51f5e21f38bf259a460948670eac92e97ca24
Breaks engine upgrades:

2013-01-29 12:40:52::ERROR::engine-upgrade::1177::root:: Traceback (most recent call last):
  File "/usr/bin/engine-upgrade", line 1170, in <module>
    main(options)
  File "/usr/bin/engine-upgrade", line 1071, in main
    if zombieTasksFound():
  File "/usr/bin/engine-upgrade", line 766, in zombieTasksFound
    msg="Can't get zombie async tasks",
  File "/usr/share/ovirt-engine/scripts/common_utils.py", line 459, in execCmd
    env=env,
  File "/usr/lib64/python2.7/subprocess.py", line 679, in __init__
    errread, errwrite)
  File "/usr/lib64/python2.7/subprocess.py", line 1249, in _execute_child
    raise child_exception
OSError: [Errno 8] Exec format error

Upgrade was attempted on engine built from commit: 61c11aecc40e755d08b6c34c6fe1c0a07fa94de8

Building from commit: 82bdc46dfdb46b000f67f0cd4e51fc39665bf13b and upgrading works as expected.

- DHC