[Webkit-unassigned] [Bug 43565] [Chromium/DRT]: Every few runs, Windows Tests hang indefinitely somewhere in Python guts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=43565


Evan Martin <evan at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |evan at chromium.org




--- Comment #1 from Evan Martin <evan at chromium.org>  2010-08-05 11:07:28 PST ---
_dump_thread_states_if_necessary bits are just the code that is dumping the current state of the world for debugging purposes, right?

So it's hanging in the subprocess stdout read.
That probably indicates stdout buffering.

What is the subprocess?
If it's C code, see "man 3 setvbuf" (set it to line buffering).
If it's Python code, do something like
  sys.stdout = os.fdopen(1, 'w', 1)  # last arg of 1 means line buffering

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