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Author tim.golden
Recipients skrah, tim.golden
Date 2010-04-07.14:48:06
SpamBayes Score 7.588258e-08
Marked as misclassified No
Message-id <4BBC9B22.2090305@timgolden.me.uk>
In-reply-to <1270647276.97.0.3813963585.issue8333@psf.upfronthosting.co.za>
Content 
Seeing the same thing on 32-bit WinXP on x86

On 07/04/2010 14:34, Stefan Krah wrote:
>
> New submission from Stefan Krah<stefan-usenet@bytereef.org>:
>
> On Windows/amd64, I get loads of pickling errors in test_multiprocessing.
>
> Type 1 error:
>
> Traceback (most recent call last):
>    File "<string>", line 1, in<module>
>    File "C:\Users\stefan\svn\trunk\lib\multiprocessing\forking.py", line 347, in main
>      self = load(from_parent)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 1378, in load
>      return Unpickler(file).load()
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 858, in load
>      dispatch[key](self)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 880, in load_eof
>      raise EOFError
> EOFError
>
>
> Type 2 error:
>
> ======================================================================
> ERROR: test_fork (__main__.WithManagerTestQueue)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>    File "..\..\Lib\test\test_multiprocessing.py", line 485, in test_fork
>      p.start()
>    File "C:\Users\stefan\svn\trunk\lib\multiprocessing\process.py", line 104, in start
>      self._popen = Popen(self)
>    File "C:\Users\stefan\svn\trunk\lib\multiprocessing\forking.py", line 244, in __init__
>      dump(process_obj, to_child, HIGHEST_PROTOCOL)
>    File "C:\Users\stefan\svn\trunk\lib\multiprocessing\forking.py", line 167, in dump
>      ForkingPickler(file, protocol).dump(obj)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 224, in dump
>      self.save(obj)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 331, in save
>      self.save_reduce(obj=obj, *rv)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 419, in save_reduce
>      save(state)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 286, in save
>      f(self, obj) # Call unbound method with explicit self
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 649, in save_dict
>      self._batch_setitems(obj.iteritems())
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 681, in _batch_setitems
>      save(v)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 286, in save
>      f(self, obj) # Call unbound method with explicit self
>    File "C:\Users\stefan\svn\trunk\lib\multiprocessing\forking.py", line 40, in dispatcher
>      self.save_reduce(obj=obj, *rv)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 401, in save_reduce
>      save(args)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 286, in save
>      f(self, obj) # Call unbound method with explicit self
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 548, in save_tuple
>      save(element)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 331, in save
>      self.save_reduce(obj=obj, *rv)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 419, in save_reduce
>      save(state)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 286, in save
>      f(self, obj) # Call unbound method with explicit self
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 649, in save_dict
>      self._batch_setitems(obj.iteritems())
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 681, in _batch_setitems
>      save(v)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 331, in save
>      self.save_reduce(obj=obj, *rv)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 419, in save_reduce
>      save(state)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 286, in save
>      f(self, obj) # Call unbound method with explicit self
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 649, in save_dict
>      self._batch_setitems(obj.iteritems())
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 681, in _batch_setitems
>      save(v)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 331, in save
>      self.save_reduce(obj=obj, *rv)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 396, in save_reduce
>      save(cls)
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 286, in save
>      f(self, obj) # Call unbound method with explicit self
>    File "C:\Users\stefan\svn\trunk\lib\pickle.py", line 748, in save_global
>      (obj, module, name))
> PicklingError: Can't pickle<type 'cStringIO.StringO'>: it's not found as cStringIO.StringO
>
> ----------
> components: Library (Lib)
> messages: 102539
> nosy: skrah
> priority: high
> severity: normal
> stage: needs patch
> status: open
> title: test_multiprocessing: pickling failures
> type: behavior
> versions: Python 2.7
>
> _______________________________________
> Python tracker<report@bugs.python.org>
> <http://bugs.python.org/issue8333>
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History
Date User Action Args
2010-04-07 14:48:11tim.goldensetrecipients: + tim.golden, skrah
2010-04-07 14:48:07tim.goldenlinkissue8333 messages
2010-04-07 14:48:06tim.goldencreate