Red Hat Bugzilla – Bug 713082
multiprocessing.Pipe problem: "handle out of range in select()"
Last modified: 2016-05-31 21:42:00 EDT
Description of problem:
In vdsm-4.9 code we use multiprocessing.Pipe to communicate with subprocesses.
In several scenarios when we trying to run sufficiently large amount of VMs, the pipe ends raise the exception: "handle out of range in select()".
Actually, it's kind of regression from vdsm-4.5 (we didn't use multiprocessing in vdsm-4.5)
We found same issue (including the patch and reproducer) in python's issue tracker:
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.