[issue10158] BadInternalCall running test_multiprocessing

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

Does it happen when compiled in debug mode? There may be asserts that will give a better (or earlier) error message.

Some thoughts: the '_PyTrash_delete_later' chain can only contain a limited set of objects: lists, frames... (which code contain the Py_TRASHCAN_SAFE_BEGIN macro)... and the stack dumps suggests (subtype_dealloc) that it is also an instance of a user-defined class.  The only candidate I see is the class 'multiprocessing.managers.ProcessLocalSet', which inherits from 'set'.

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nosy: +amaury.forgeotdarc

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<http://bugs.python.org/issue10158>
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