Under certain launch conditions, all sem_get calls return the same semaphore set id, regardless of the parameter passed to it.
This affects both the character mode (charmode.tcl) and GUI (frontend.tcl) interfaces. The daemon processes will start, but everything hangs during the connect phase (none of the daemons open a database session).
Conditions under which the problem occurs...
2007-05-24 20:42:20 UTC in The Original Oracle Workload Simulator