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ARC Process Fails With ORA-07445 [strlen()+80] (Doc ID 1640570.1)

Last updated on FEBRUARY 25, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Information in this document applies to any platform.

Symptoms

ARC process starts failing with ORA-7445 [strlen()+80].

From alert log:

Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x0] [PC:0xFFFFFFFF7B93BA90, strlen()+80]
Errors in file <diagnostic_dest>/diag/rdbms/<dbname>/<instname>/trace/<instname>_arc1_10532.trc  (incident=207436):
ORA-07445: exception encountered: core dump [strlen()+80] [SIGSEGV] [ADDR:0x0] [PC:0xFFFFFFFF7B93BA90] [Address not mapped to object] []
Incident details in: <diagnostic_dest>/diag/rdbms/<dbname>/<instname>/incident/incdir_207436/<instname>_arc1_10532_i207436.trc

 

The stack trace will be similar to following:

strlen ndoprnt vsnprintf ksdfmw ksdwra krasdcrf kccwnc_reuse_expand kccwnc kcrrcomp kcrrdmx kcrrdim kcrrwkx kcrrwk ksbabs ksbrdp opirip opidrv sou2o main start

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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