I appreciate everyone trying to help. I do know the difference between the two, but your updated example still does not work. It will still freeze the current script until the former script finishes.
The problem appears to be in with php-cli and how it is using the exec function. I don't expect the devs to fix an bug that exist in php-cli, but so far this bug only exist in Ubuntu and not any other distro that I have tested (arch, redhat, centos, mandriva, mageia, fedora, gentoo, slackware, mint, debian, opensuse, amazon linux,). Yes, I have tested all of those, across many difference versions and arch (32 and 64 bit) The issue has never up until now, but only because others were reporting the issue to me. So it works in all of those and not in Ubuntu; what is different in Ubuntu? Again, thanks for all the time and help. I do appreciate the attempts to make it work, I wish I had more time to zero in on what the issue is, but it is beyond my free time at the moment. Thanks again! -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to php5 in Ubuntu. https://bugs.launchpad.net/bugs/1265983 Title: php5 cli one instance/process limit To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1265983/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs