subprocess.Popen(['/sbin/ldconfig', '-p'], stdin=PIPE) itself hangs/deadlocks (Linux)

[INADA Naoki]

Thank you for a very informative report.

> PS. This is my first post to this list - please let me know if I
> should send to another forum instead.

Would you send this report to the issue tracker?
https://bugs.python.org/

-- 
INADA Naoki  <songofacandy at gmail.com>