This is probably caused from a module loaded from PHP randomly segfaulting. In my experience, it was xdebug that was crashing.
Checkout https://bugs.launchpad.net/ubuntu/+source/php5/+bug/420389 and see if this is a duplicate from that bug.
This is probably caused from a module loaded from PHP randomly segfaulting. In my experience, it was xdebug that was crashing.
Checkout https:/ /bugs.launchpad .net/ubuntu/ +source/ php5/+bug/ 420389 and see if this is a duplicate from that bug.