ORA-7445 [kssdct()] Followed BY ORA-602, ORA-7445 [kssdch()] From PMON Crashing The Instance (Doc ID 1281101.1)

Last updated on FEBRUARY 07, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.5 to 11.2.0.1 [Release 10.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 29-Jun-2013***

Symptoms

When attempting to cleanup after a SQL*Net connection is terminated, the following error occurs:

ORA-07445: exception encountered: core dump [kssdct()+94] [SIGSEGV] [Address not mapped to object] [0x00000240E] [] []

and then the instance is terminated, due to PMON reporting the below errors:

ORA-00602: internal programming exception
ORA-07445: exception encountered: core dump [kssdch()+2188] [SIGSEGV] [Address not mapped to object] [0x00000241E] [] []


The call stack for the ORA-7445 [kssdct()] error will resemble the following:

... kssdct() <- kwqbcsecl() <- ksuxds() <- ksudel() <- opidcl() ...

Changes

An upgrade to 10.2.0.5 has been performed, or a one-off patch containing the fix for <Bug 6887866> has been applied.

Cause

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