[Bug 1119195] Re: _DummyThread' object has no attribute '_Thread__block

2013-02-08 Thread Milo Casagrande
*** This bug is a duplicate of bug 1077153 ***
https://bugs.launchpad.net/bugs/1077153

** Bug watch added: Python Roundup #14308
   http://bugs.python.org/issue14308

** Also affects: python via
   http://bugs.python.org/issue14308
   Importance: Unknown
   Status: Unknown

** This bug has been marked a duplicate of bug 1077153
   Backport request: http://bugs.python.org/issue14308

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Title:
  _DummyThread' object has no attribute '_Thread__block

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[Bug 1119195] Re: _DummyThread' object has no attribute '_Thread__block

2013-02-08 Thread Milo Casagrande
** This bug is no longer a duplicate of bug 1077153
   Backport request: http://bugs.python.org/issue14308

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Title:
  _DummyThread' object has no attribute '_Thread__block

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[Bug 1119195] Re: _DummyThread' object has no attribute '_Thread__block

2013-02-08 Thread Milo Casagrande
** Description changed:

- Deploying a Python based web-app, in the output logs we are seeing a lot
- of messages like this:
+ [Impact]
  
- Exception AttributeError: AttributeError('_DummyThread' object has no
- attribute '_Thread__block',) in module 'threading' from
- '/usr/lib/python2.7/threading.pyc' ignored
+ Based on the test script available at the upstream issue link, the
+ exception is thrown in programs that use threads and os.fork() (like
+ could be the case with subprocess).
  
- There is already an upstream bug for this, that was fixed:
+ As reported upstream, the exception when a dummy thread is in the
+ threading module's active list after a fork().
  
- http://bugs.python.org/issue14308
+ [Test Case]
  
- Is there any way we can get that fix in also for Ubuntu 12.04?
- I was looking at the quantal and raring packages too, but that fix is not 
there either.
+ Run the following program, available in the upstream issue:
  
- Thanks.
+ http://bugs.python.org/file25511/bad-thread.py
+ 
+ to reproduce the problem.
+ 
+ [Regression Potential]
+ 
+ None seen at the moment.
+ Upstream patch contains also a test case to address this issue:
+ 
+ http://hg.python.org/cpython/rev/ab9d6c4907e7

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  _DummyThread' object has no attribute '_Thread__block

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[Bug 1119195] Re: _DummyThread' object has no attribute '_Thread__block

2013-02-08 Thread Dmitrijs Ledkovs
*** This bug is a duplicate of bug 1077153 ***
https://bugs.launchpad.net/bugs/1077153

** Also affects: python2.7 (Ubuntu Precise)
   Importance: Undecided
   Status: New

** Changed in: python2.7 (Ubuntu)
   Status: New = Fix Released

** Changed in: python2.7 (Ubuntu Precise)
   Status: New = Triaged

** Changed in: python2.7 (Ubuntu Precise)
   Importance: Undecided = Medium

** Changed in: python2.7 (Ubuntu Precise)
Milestone: None = ubuntu-12.04.3

** This bug has been marked a duplicate of bug 1077153
   _DummyThread' object has no attribute '_Thread__block

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