Traceback (most recent call last):
  File "/usr/share/apport/unkillable_shutdown", line 91, in <module>
    for p in orphaned_processes(opts.blacklist):
  File "/usr/share/apport/unkillable_shutdown", line 54, in orphaned_processes
    if os.getsid(pid) == my_sid:
OSError: [Errno 3] No such process