- Make sure to use the latest firmware available and check the logs when this happens (too). This could lead to a dead-lock(observing-logs), indeed, you may then use a syslog-server for continuous log-monitoring such as last-gasp logging before a hang, or look for issues during normal operation too.
M.
-- ' 'Good body every evening' ' this sentence was once spotted on a logo at the entrance of a Weight Watchers Club !