1. check ALRET.LOG file for discovering ur error.
(it place .../bdump/alertSID.log

2. in most cases it happen if u didn't setup Solaris kerner parameters in /etc/system file
check it, and compare with recomended values:
http://docs.oracle.com/database_mp_8i.html
(Oracle8i Release Notes, Release 3 (8.1.7) for Sun SPARC Solaris)
---------------------------------------------
SHMMAX 4294967295
SHMMIN 1
SHMMNI 100
SHMSEG 10
SEMOPM 100
SEMVMX 32767
---------------------------------------------


[Edited by Shestakov on 04-19-2002 at 04:51 PM]