The package 5.5.9+dfsg-1ubuntu3 have the correct upstart script with
reload signal USR2, which works great on Ubuntu Trusty since it uses
upstart = 1.10.0
For fixing the https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1272788 bug
a new package was released, called 5.5.9+dfsg-1ubuntu4, which
The package 5.5.9+dfsg-1ubuntu3 have the correct upstart script with
reload signal USR2, which works great on Ubuntu Trusty since it uses
upstart = 1.10.0
The fix for this bug introduces a new package, called 5.5.9+dfsg-1ubuntu4,
which comments out reload signal USR2.
Making it work on Precise