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Hi,
When using the Quantum agents with the RPC (which requires the 
monkeypatch). There are a number of Zombie processes:

root      1038  0.0  0.0      0     0 pts/4    Z+   19:27   0:00 [sudo] 
<defunct>
root      1087  0.0  0.0      0     0 pts/4    Z+   19:27   0:00 [sudo] 
<defunct>
root      1100  0.0  0.0      0     0 pts/4    Z+   19:27   0:00 [sudo] 
<defunct>
root      1129  0.0  0.0      0     0 pts/4    Z+   19:27   0:00 [sudo] 
<defunct>
root      1171  0.0  0.0      0     0 pts/4    Z+   19:27   0:00 [sudo] 
<defunct>
root      1211  0.0  0.0      0     0 pts/4    Z+   19:27   0:00 [sudo] 
<defunct>

I have found the following: https://bugs.launchpad.net/nova/+bug/718390 
- I was unable to find the code that was patched to fix the problem.

For a test I used the execute function from nova. This did not help.

Does anybody have an idea how to address this?
Thanks
Gary