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[Bug 1063222] Re: Warn when a RPC call is made while a lock is held

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Sean Dague <sean@xxxxxxxxx>
Date: Mon, 15 Sep 2014 12:15:25 -0000
Reply-to: Bug 1063222 <1063222@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I'm moving back to fixed because no one knows why the bug was reopened.

** Changed in: nova
       Status: Incomplete => Fix Released

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https://bugs.launchpad.net/bugs/1063222

Title:
  Warn when a RPC call is made while a lock is held

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  We shouldn't be making RPC calls while a lock is held, as it blocks
  other users of the lock waiting on the RPC to return. This came up for
  me with the iptables lock and a call to nova-network which is being
  tracked in bug 1062314. I would like to see a generic warning being
  issued when this scenario occurs, so that we know to track down these
  things when they happen.

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