[Buildbot-commits] [Buildbot] #2454: SiGHUP doesn't always work

[Buildbot]

#2454: SiGHUP doesn't always work
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Reporter:  virgilg  |      Owner:
    Type:  defect   |     Status:  new
Priority:  major    |  Milestone:  undecided
 Version:  0.8.7p1  |   Keywords:
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 Every now and then on 0.8.5 and more often on 0.8.7p1 we see at
 reconfigure time:
 sending SIGHUP to process 41208
 Never saw reconfiguration finish.

 The fix is generally to restart the master, but the problem with this
 approach is it's going to stop everybody else's builds from happening (we
 get slaves lost due to the time it takes to reconfigure - way less than
 the 10 minutes timeout, but we lose them still).

 Doing $ kill -SIGHUP 41208 doesn't produce anything in twistd.log, so it
 appears to be indeed stuck.

 How can we make this rock-solid?

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Ticket URL: <http://trac.buildbot.net/ticket/2454>
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