On Mon, 22 Sep 2008, Howard Chu wrote: ...
This appears to be the only significant difference from a default config. Try without.
Note that the layout of the shared-memory regions (__db.0*) is different for BDB compiles with and without the --enable-diagnostic option. They cannot be mixed for a given environment, so any db_* utilities you use along side slapd should be from the same compile. Hangs and crashes would be expected if that isn't true.