Instance Crashing With ORA-600 [1433] [60] in Different Processes (Doc ID 1599526.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Information in this document applies to any platform.

Symptoms

Instance crashed with internal error:
  ORA-600 [1433] [60]
signaled in DBWR process.

The stack trace includes:
... ksaamb ksasnd ksbasend kcbbdrv ksbabs ksbrdp ...

After applying Patch 12899768 the error was raised again in a different foreground process with messages:
  KSAAMB: fatal error out of msg blks after 60 sec timeout
...
23 DBRM 'do RM action in DBRM'
24 DBRM 'shutdown DBRM'
25 DBRM 'DBRM Timeout Actions'
26 DBRM 'RM running count check'
27 DBRM 'Check for MDBRM to LDBRM message'
28 DBRM 'Check for LDBRM to MDBRM message'
29 DBRM 'DBRM Active Session Limit Event'  <<<<<<<
30 DBRM 'Check queuing policy'
...
in trace file.


Cause

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