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[Launchpad Bug Tracker <1531273@xxxxxxxxxxxxxxxxxx>]

[Expired for neutron because there has been no activity for 60 days.]

** Changed in: neutron
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1531273

Title:
  AsyncProcess.pid is None when root helper executes command on another
  system

Status in neutron:
  Expired

Bug description:
  Version: Liberty
  Compute hypervisor: XenServer 6.5SP1
  Compute vm: Ubuntu 14.04.3

  When a root helper executes commands in another system context,
  AsyncProcess.pid returns None. This affects the execution of certain
  AsyncProcess's including ovsdb_monitor.

  When running with XenServer compute nodes, root_helper = /usr/bin
  /neutron-rootwrap-xen-dom0. The wrapper runs in domU while the
  commands are executed in dom0. AsyncProcess.pid reteurns None and
  AsyncProcess.is_active() returns false. This is due to
  utils.get_root_helper_child_pid() return None as the local system
  cannot observe the dom0 children processes.

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