When I try yo stop/restart my daemons they don't seem to want to stop, and I saw this error over and over again in the error log.
```
[04-Jul-2016 16:25:20 America/New_York] arcanist(head=master, ref.master=4d4d16f25985), phabricator(head=master, ref.master=c7e7f113fd97), phutil(head=master, ref.master=dde2f74f2793)
[04-Jul-2016 16:25:20 America/New_York] #0 ob_end_flush() called at [<phutil>/src/daemon/PhutilDaemon.php:259]
[04-Jul-2016 16:25:20 America/New_York] #1 PhutilDaemon::endStdoutCapture() called at [<phutil>/src/daemon/PhutilDaemon.php:94]
[04-Jul-2016 16:25:20 America/New_York] #2 PhutilDaemon::__destruct()
[04-Jul-2016 16:25:23 America/New_York] [2016-07-04 16:25:23] ERROR 8: ob_end_flush(): failed to delete and flush buffer. No buffer to delete or flush at [/home/phabricator/libphutil/src/daemon/PhutilDaemon.php:259]
[04-Jul-2016 16:25:23 America/New_York] arcanist(head=master, ref.master=4d4d16f25985), phabricator(head=master, ref.master=c7e7f113fd97), phutil(head=master, ref.master=dde2f74f2793)
[04-Jul-2016 16:25:23 America/New_York] #0 ob_end_flush() called at [<phutil>/src/daemon/PhutilDaemon.php:259]
[04-Jul-2016 16:25:23 America/New_York] #1 PhutilDaemon::endStdoutCapture() called at [<phutil>/src/daemon/PhutilDaemon.php:94]
[04-Jul-2016 16:25:23 America/New_York] #2 PhutilDaemon::__destruct()
```