moocha,
Did you mean I should execute 'netstat -at' while the 'hang' is occurring?
If so, here is the output:
bash-2.05b# netstat -at
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp 0 0 *:sunrpc *:* LISTEN
tcp 0 0 localhost:734 ...