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ORA-07445: [kfk_set_kfdrq_status()+262] [SIGSEGV] .. [Invalid permissions for mapped object] (Doc ID 2231769.1)

Last updated on MAY 25, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Instance alert.log shows: 

Sun Jan 15 02:00:00 2017
Exception [type: SIGSEGV, Invalid permissions for mapped object] [ADDR:0x7F00690EB004] [PC:0x4FACED8, kfk_set_kfdrq_status()+262] [flags: 0x0, count: 1]
Errors in file <ORACLE_BASE>/diag/rdbms/<DB_NAME>/<INSTANCE_NAME1>/trace/<INSTANCE_NAME1>_j000_14396.trc (incident=1345528):
ORA-07445: exception encountered: core dump [kfk_set_kfdrq_status()+262] [SIGSEGV] [ADDR:0x7F00690EB004] [PC:0x4FACED8] [Invalid permissions for mapped object] []
Incident details in: <ORACLE_BASE>/diag/rdbms/<DB_NAME>/<INSTANCE_NAME1>/incident/incdir_1345528/<INSTANCE_NAME1>_j000_14396_i1345528.trc

 

Call stack from trace: 

kfk_set_kfdrq_status <- kfk_rebuild_kfdrqs <- kfk_transitIO <- kfioReapIO <- kfioRequestPriv <- kfioRequest <- ksfd_kfioRequest <- ksfd_osmwat <- ksfdwtio <- ksfdwat_internal <- ksfdwat <- ksfd_drainio <- ksfdfods <- kssdel <- kssdch <- ksudlp <- opidcl <- opidrv

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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