Applications Fail with 'Segmentation Fault' or "Illegal Instruction" after Upgrade to AIX 7.2 TL1 Following a Relink
(Doc ID 2272288.1)
Last updated on FEBRUARY 18, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.4 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata 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
After upgrading the operating system of AIX 64-bit servers to version 7.2 TL1, following a relink applications that are compiled with a local flag but import a variable can immediately fail with a core dump when an attempt is made to execute them. The following Oracle applications are documented to have been affected:
1) The ADRCI diagnosibility utility. It fails with output "Segmentation fault".
2) The Pro*C precompiler. It fails with "Illegal instruction (coredump)".
Other applications may also be affected.
When reviewing the make logs, messages can be seen regarding these applications such as:
ld: 0711-773 WARNING: Object xxx.o, imported symbol xxx
Symbol was expected to be local. Extra instructions
are being generated to reference the symbol.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |