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[Alessandro Pilotti <1298034@xxxxxxxxxxxxxxxxxx>]

** Also affects: neutron
   Importance: Undecided
       Status: New

** Changed in: neutron
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1298034

Title:
  Nova Hyper-V driver fails occasionally with a
  x_wmi_uninitialised_thread exception

Status in OpenStack Neutron (virtual network service):
  Confirmed
Status in OpenStack Compute (Nova):
  In Progress

Bug description:
  The Nova Hyper-V driver can fail occasionally with:

  x_wmi_uninitialised_thread ("WMI returned a syntax error: you're
  probably running inside a thread without first calling
  pythoncom.CoInitialize[Ex]"

  http://64.119.130.115/82904/14/Hyper-V_logs/hv-compute1/neutron-
  hyperv-agent.log.gz

  Each thread that uses COM needs to initialize COM by calling
  pythoncom.CoInitialize or pythoncom.CoInitializeEx.

  Error stack trace:

  http://64.119.130.115/82904/14/Hyper-V_logs/hv-compute1/neutron-
  hyperv-agent.log.gz

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