ORA-7445 [KCBSACC] And ORA-7445 [KCBSSLC] Causing Instance To Crash (Doc ID 1329905.1)

Last updated on FEBRUARY 07, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 to 11.2.0.2 [Release 10.2 to 11.2]
Information in this document applies to any platform.

Symptoms


Hitting ORA-7445: [kcbsacc] followed by PMON crash in ORA-7445: [kcbsslc].

Reviewing the ALERT  errors will appear in a similar order and way:

Mon Jan 17 16:07:55 2011
Errors in file /CLIMOA/produits/oracle/admin/RMKA_01/udump/rmka_01_ora_23279.trc:
ORA-07445: exception encountered: core dump [kcbsacc()+3676] [SIGSEGV] [Address not mapped to object] [0x000000008] [] []
Mon Jan 17 16:07:59 2011
Errors in file /CLIMOA/produits/oracle/admin/RMKA_01/bdump/rmka_01_pmon_17683.trc:
ORA-07445: exception encountered: core dump [kcbsslc()+284] [SIGSEGV] [Address not mapped to object] [0x000000010] [] []
Mon Jan 17 16:08:08 2011
PSP0: terminating instance due to error 472
Instance terminated by PSP0, pid = 17707


The call stack for ORA-7445 [kcbsacc] looks similar to:

kcbsacc <- kcbs_simulate <- kcbgtcr <- ktrget <-kdst_fetch


The call stack for ORA-7445 [kcbsslc] looks similar to:

kcbsslc <- kslilcr <- ksl_cleanup <- ksuxfl_latch_cleanup <- ksuxfl

Cause

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