** Changed in: nova
Status: Fix Committed => Fix Released
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1252409
Title:
use of threading in libvirt driver causes deadlock when connecting to
libvirtd
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
the libvirt driver was running into this issue
https://bitbucket.org/eventlet/eventlet/issue/137/use-of-threading-
locks-causes-deadlock when trying to connect to the libvirtd daemon.
the driver has logging messages during the _connect method which was
called within a native thread. The logging code takes out a eventlet
lock and mixing OS native threads and eventlet locks causes deadlocks
due to the above eventlet bug. The resulting deadlock was enough to
hang the nova-compute process.
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