[Piglit] Python 2.7.4/5 bad file descriptor bug should be fixed soon

[Matt Turner]

On Thu, Oct 24, 2013 at 10:51 PM, Kenneth Graunke <kenneth at whitecape.org> wrote:
> A number of people (at least me, cworth, and ajax) have been hitting a
> bug where tests randomly fail with a "Bad file descriptor" error.  It
> only occurs with Python 2.7.4 and 2.7.5.  Other people have strangely
> not been affected.
>
> I did some searching and discovered this Python bug:
> http://bugs.python.org/issue18851
>
> Apparently, it looks like a known bug in Python, where if a
> subprocess.Popen fails in one thread, it closes the file descriptors out
> from under subprocesses in other threads.
>
> A fix landed in Mercurial back in August, so hopefully things will work
> with Python 2.7.6.  According to the release schedule
> [http://www.python.org/dev/peps/pep-0373/] RC1 is supposed to come out
> this Saturday, with the final release on November 2nd.
>
> In the meantime, using Python 2.7.3 works, as does running with the -1
> (--no-concurrency) option.

Thanks for the heads up. Gentoo is now including this patch in
=dev-lang/python-2.7.5-r4.