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12.2 PDB (Pluggable Database) instance crashed with ORA-07445: [ktmseginfopoll_1()] (Doc ID 2680780.1)

Last updated on FEBRUARY 24, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 to 18.1.0.0.0 [Release 12.2 to 18]
Information in this document applies to any platform.

Symptoms

► -|- Problem:
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► -|- 12.2 PDB (Pluggable Database) instance crashed with the next error:
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SQL> SQL> alter pluggable database <DB_NAME> close immediate instances=('<INSTANCE_NAME>')
2 /

Pluggable database altered.

SQL> alter pluggable database <DB_NAME> open instances=('<INSTANCE_NAME>');
alter pluggable database <DB_NAME> open instances=('<INSTANCE_NAME>')
*
ERROR at line 1:
ORA-03135: connection lost contact
Process ID: 345786
Session ID: 1453 Serial number: 28961
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ORA-07445: exception encountered: core dump [ktmseginfopoll_1()+44] [SIGSEGV] [ADDR:0x81] [PC:0x8545CAC] [Address not mapped to object] []
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This is a timing issue signaled incorrectly when an instance is being stopped.

Cause

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In this Document
Symptoms
Cause
Solution
 Community Discussions
References


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