I can't speak to lockup but the rebooting is still there this is after turning DNS Relay off as suggested. The below log can't be normal:

[INFO] Fri Sep 11 21:39:06 2009 2.4GHz Band: Wireless restart
[INFO] Fri Sep 11 21:37:05 2009 Above message repeated 12 times
[INFO] Fri Sep 11 21:37:01 2009 5GHz Band: Wireless link is up
[INFO] Fri Sep 11 21:37:00 2009 2.4GHz Band: Wireless link is up
[INFO] Fri Sep 11 21:36:49 2009 5GHz Band: Wireless link is down
[INFO] Fri Sep 11 21:36:49 2009 5GHz Band: Wireless restart
[INFO] Fri Sep 11 21:36:49 2009 5GHz Band: Disconnect all stations
[INFO] Fri Sep 11 21:36:49 2009 2.4GHz Band: Wireless link is down
[INFO] Fri Sep 11 21:36:49 2009 2.4GHz Band: Wireless restart
[INFO] Fri Sep 11 21:36:49 2009 2.4GHz Band: Disconnect all stations
[INFO] Fri Sep 11 21:36:49 2009 All Wireless shut down
[INFO] Fri Sep 11 21:36:47 2009 2.4GHz Band: Wireless restart
[INFO] Fri Sep 11 21:28:16 2009 Above message repeated 57 times