This is perfectly normal. The three other Linux systems you're testing are simply slower
** Changed in: procps (Ubuntu) Status: New => Invalid -- pgrep reporting extra pid when run as system call inside script (ruby/php or python) https://bugs.launchpad.net/bugs/425989 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs