Unable To Start Instance due to ORA-7445 Dump In KSBNFY on Power Linux

(Doc ID 563895.1)

Last updated on FEBRUARY 11, 2009

Applies to:

Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 10.2.0.3
Oracle Server - Enterprise Edition - Version: 11.1.0.6 to 11.1.0.6
IBM Power Based Linux
Applies to:

Symptoms

- Unable to start instance
- Alert log shows core dump in function ksbnfy:

ORA-7445: exception encountered: core dump [ksbnfy()+496] [SIGSEGV] [unknown
code] [0xC00000008F077D58] [] []


Stack trace is similar to:

ksedst <- ksbnfy <- kscnfy <- ksmcsg <- opistr_real <- opistr <- opiodr <- ttcpip <- opitsk <- opiino

- Database starts with a warning message, such as:
...
Completed: ALTER DATABASE OPEN
Fri Sep 14 12:54:08 2007
WARNING : /proc/ppc64/lparcfg not readable

Cause

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