Instance Termination with ORA-07445 [kghsrch()+144], ORA-00600 [kghfrh:ds]
(Doc ID 2128933.1)
Last updated on AUGUST 25, 2023
Applies to:
Oracle Database Cloud Schema Service - Version N/A and laterOracle 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
Oracle Database Backup Service - Version N/A and later
IBM AIX on POWER Systems (64-bit)
Symptoms
Instance terminated after several errors like:
ORA-07445: exception encountered: core dump [kghsrch()+144] [SIGSEGV] [ADDR:0xFFFFFFFFFFFFFFF0] [PC:0x1000B8BD0] [Address not mapped to object] []
...
ORA-00600: internal error code, arguments: [kghfrh:ds], [0x7000000A1FFF030], [], [], [], [], [], [], [], [], [], []
...
ORA-00600: internal error code, arguments: [kghfrh:ds], [0x7000000A1FFF030], [], [], [], [], [], [], [], [], [], []
The call stack with the ORA-7445 [kghsrch] shows functions like:
... kghalo kghgex kghalf kghalp kksalx qkacol IPRA qkadrv opitca kksFullTypeCheck rpiswu2 kksLoadChild kxsGetRuntimeLock kksfbc opiexe ...
The call stack with the ORA-600 [kghfrh:ds] shows functions like:
... kghnerror kghfrh_internal kghfrh kksFreeHeap kksLockDelete kksLockOperation kgllkdl kgllkds kssxdl kssdel kssdch ksuxds kssxdl kssdel kssdch ksudlp kssxdl kssdel ksuxdl ksuxda_del_proc IPRA IPRA ksucln_dpc_main ksucln_dpc ksucln ksbrdp opirip opidrv ...
Other observations:
As per current SQL, this error was happening during SELECT.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |