named crash

Anyone know what the problem may be with this machine.

Running Bind 9.2.3

Here are the last few lines of the log and then all of a sudden poof! It
stops working.

Jul 21 22:49:17 tune named[10221]: socket.c:1111: unexpected error:
Jul 21 22:49:17 tune named[10221]: internal_send: 64.127.107.3#53: Invalid
argument
Jul 21 22:49:17 tune named[10221]: socket.c:1111: unexpected error:
Jul 21 22:49:17 tune named[10221]: internal_send: 38.113.1.32#53: Invalid
argument