Unable To Startup Database due to ORA-00600 [ksulnf : SSTDNNLANG init failed], 
Last updated on NOVEMBER 28, 2016
Applies to:Oracle Server - Standard Edition - Version 188.8.131.52 to 184.108.40.206 [Release 11.2]
Information in this document applies to any platform.
On : 220.127.116.11 version, Internals Errors (ORA-600 & ORA-7445)
When attempting to STARTUP the database, and when Oracle is trying to create the SGA,
the following error occurs.
The call stack as shown in the trace file at the time of the error includes:
ksulnf kscnfy ksmcsg opistr_real opistr opiodr ttcpip opitsk opiino opiodr opidrv sou2o opimai_real ssthrdmain main libc_start_main start
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms