Environment: NW65sp6, BM3.8

BM38sp5 has just been applied... and now an warning appears on the screen
once every 1~2 hours (See below). How do you debug? ...BM seems to run
without any problem when the problem appears though.

2006-12-19 17:33:35 : SERVER-5.7.0-4631 [nmID=1001C]
WARNING! Server XXXXXX experienced a critical error. The offending
process was suspended or recovered. However, services hosted by this
server may have been affected.