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 laterInformation 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
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
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