hobbitd_larrd is crashing

["Larry Barber" <lebarber (at) gmail.com>]

For some reason hobbitd_larrd has started crashing on my main production
server. Larrd-status.log has messages like this in it:

2006-06-09 12:42:39 Worker process died with exit code 139, terminating
2006-06-09 12:54:42 2006-06-09 12:54:42 Worker process died with exit code
139, terminating
2006-06-09 12:54:42 Our child has failed and will not talk to us: Channel
status, PID 18254
2006-06-09 12:54:42 Worker process died with exit code 139, terminating
2006-06-09 12:56:40 2006-06-09 12:56:40 Worker process died with exit code
139, terminating
2006-06-09 12:56:40 Our child has failed and will not talk to us: Channel
status, PID 18803
2006-06-09 12:56:40 Worker process died with exit code 139, terminating
2006-06-09 12:56:48 Host 'enormous' reports vmstat for an unknown OS
2006-06-09 12:58:43 2006-06-09 12:58:43 Worker process died with exit code
139, terminating
2006-06-09 12:58:43 2006-06-09 12:58:43 Worker process died with exit code
139, terminating


Loading the core file into gdb and executin "backtrace" yields "No stack".
Any ideas what's going on? I'm running Hobbit 4.1.2.rc1 on a RedHat ES3 box.

Thanks,
Larry Barber