ORA-7445 [kcmstn] When Executing Alter System Kill Session
(Doc ID 604511.1)
Last updated on MARCH 28, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.3 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.
This problem can occur on any platform.
A core dump is generated running the statement
alter system kill session ''sid, serial#';
through a plsql procedure.
In the trace file is reported:
ORA-07445: exception encountered: core dump [kcmstn()+4] [SIGSEGV] [Address not mapped to
object] [0x300000008]  
ksnpost audins audtar auddft kksExecuteCommand
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