[issue19294] test_asyncio fails intermittently on OS X 10.4

[Guido van Rossum]

Guido van Rossum added the comment:

I find it pretty suspicious that when this fails it is always connecting the stdin pipe. That code is also suspect in the AIX failure (issue 19293), although for a different reason.

The only theory I have at this point is that perhaps there's a platform bug on OS X 10.4 and before where the pipe is considered invalid if the process already exits? But the subprocess shouldn't be exiting, so this theory is no good, unless there's also a bug that causes the fork or exec to fail. :-(

Maybe this will go away if we replace the stdin pipe with a socket pair, as we are proposing for issue 19293, without ever understanding why.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19294>
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