ORA-07445 [KGHUNPHY()+412] Instance Crash With Fix For Bug 5922239

(Doc ID 761206.1)

Last updated on MARCH 02, 2009

Applies to:

Oracle Server - Enterprise Edition - Version:
This problem can occur on any platform.


o Alert log shows core dump in kghunphy:

ORA-07445: exception encountered: core dump [kghunphy()+412] [SIGSEGV]
[Invalid permissions for mapped object] [0x105EBC120] [

o ORA-07445 trace file shows a stack trace is similar to:

kghunphy kghcln kghundo kslilcr ksl_cleanup
kghfre ktcccdel ktcrab kssxdl kssdch_stage
ksuxds ksucln

o PMON is attempting to delete all the dead processes (likely killed previously
by the alter system kill cmd...) and crashed while in the latch cleanup

o Patch 5922239 is applied.


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