ORA-7445 [kksLockDelete] then Instance crash from PMON
(Doc ID 1576502.1)
Last updated on NOVEMBER 28, 2016
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199 [Release 11.2]
Information in this document applies to any platform.
The alert.log shows:
ORA-07445: exception encountered: core dump [kksLockDelete()+762] [SIGSEGV] [ADDR:0x351749FF] [PC:0x8F15ACE] [Address not mapped to object] 
The pmon process may create huge trace files.
You may find some or all of the following function codes in the 'Call Stack' section of the incident trace file:
kksLockDelete kksLockOperation kgllkdl
kxsGetRuntimeLock() kksLockAllocate() kglLockSetCallbackContext
You may have recently applied a patch set or unpublished patch 10270888.
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