[Bug 1013177] Re: Problem with queue.join() hang/deadlock when using threading but only with python 2.7.2 on oneiric

[Launchpad Bug Tracker]

[Expired for python2.7 (Ubuntu) because there has been no activity for
60 days.]

** Changed in: python2.7 (Ubuntu)
       Status: Incomplete => Expired

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Title:
  Problem with queue.join() hang/deadlock when using threading but only
  with python 2.7.2 on oneiric

Status in “python2.7” package in Ubuntu:
  Expired

Bug description:
  1) lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10

  2) Ubuntu package: python 2.7.2-7ubuntu2

  3) 
  The program mentioned below ran/runs without issue for over a hundred times with python v2.6.6 on Ubuntu v10.10 (recently upgraded to Ubuntu v11.10).
  The program is stable on Ubuntu v11.10 but only when using python v2.6.7 (python2.6 pkg: 2.6.7-4ubuntu1)

  4) 
  I have a problem using queue.join() that causes my threaded script to hang/deadlock.

  The script is based off of the example code in
  http://stackoverflow.com/a/317172/570450. The differences are that the
  main thread fills the job queue first then spawns threads (afterwards
  calls queue.join() - as in the example program) and does a non-
  blocking fetch from the queue ("queue.get(False)") and the Queue.empty
  exception is processed..

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