[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3025: Sometimes the test suite hangs in/around allmydata.test.test_runner.RunNode.test_introducer

[Tahoe-LAFS]

#3025: Sometimes the test suite hangs in/around
allmydata.test.test_runner.RunNode.test_introducer
-------------------------+-----------------------
     Reporter:  exarkun  |      Owner:
         Type:  defect   |     Status:  new
     Priority:  normal   |  Milestone:  undecided
    Component:  unknown  |    Version:  1.12.1
   Resolution:           |   Keywords:
Launchpad Bug:           |
-------------------------+-----------------------

Comment (by exarkun):

 With some logging added I observed:

 {{{
 2019-04-09 13:19:32.572Z [-] -->
 allmydata.test.test_runner.RunNode.test_introducer <--
 2019-04-09 13:19:33.693Z [-] create-introducer: ('', '', 0)
 2019-04-09 13:19:36.825Z [-] start: ('', '', 0)
 }}}

 and then a hang.  So the hang happens after the "tahoe start" succeeds but
 before the "tahoe restart" succeed.

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3025#comment:1>
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