[Buildbot] #3051: master refuses to schedule new builds, doesn't really stop nor start

[Buildbot trac]

#3051: master refuses to schedule new builds, doesn't really stop nor start
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Reporter:  Ben     |       Owner:
    Type:  defect  |      Status:  new
Priority:  major   |   Milestone:  undecided
 Version:  master  |  Resolution:
Keywords:          |
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Comment (by delanne):

 - DockerSlave use threads.
  - The issue seems to appears when stopping the master (Received SIGTERM,
 shutting down).

 The entire program exists only when all threads are stopped/joined (except
 threads which are flagged as daemon thread). I think twisted thread are
 not flag as daemon thread (and this is what we want).

 So, DockerSlave's threads is maybe a line of investigation ...

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Ticket URL: <http://trac.buildbot.net/ticket/3051#comment:2>
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