[issue35305] subprocess.Popen(['/sbin/ldconfig', '-p'], stdin=PIPE) itself hangs/deadlocks (Linux)

HenrikB added the comment: Thank you both for the comments and suggests. Before I'm getting to the "interesting" part, first to the "easy" one: >> What is also useful to know, is that I'm observing this on a legacy RHEL 6 >> system *with a custom

[issue35305] subprocess.Popen(['/sbin/ldconfig', '-p'], stdin=PIPE) itself hangs/deadlocks (Linux)

HenrikB added the comment: Thanks for taking your time on this one. I'll report back if I find out more about this kernel-specific issue. Here're my replies to the outstanding questions/comments: >> where the *child* process (`self.pid == 0`) get stuck while calling >&