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[Bug 1506543] Re: openstack instances on arm64 lock up on polling and other situations fairly repeatably

 

3.19-on-3.19 is much more stable, and we haven't seen anything like this
issue.

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https://bugs.launchpad.net/bugs/1506543

Title:
  openstack instances on arm64 lock up on polling and other situations
  fairly repeatably

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  While working on deploying arm64 builders in openstack, we found that
  it was pretty easy to wedge them.  Many hang just running ntpdate
  right off the bat.

  William Grant had more direct tests he did, but upgrading from 3.13 to
  3.19 didn't seem to fix things.

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