ORA-00445: Background Process "xxxx" Did Not Start After 120 Seconds (Doc ID 1345364.1)

Last updated on JULY 27, 2017

Applies to:

SaaS Operations - Version N/A to N/A
Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.1.0.2 [Release 11.2 to 12.1]
Oracle Database - Standard Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
IBM: Linux on System z
Linux x86-64
Linux x86

Symptoms

Errors are seen in the alert log relating to spawning of processes such as:

@ Checked for relevance on 17th Jan 2012
ORA-00445: background process "m001" did not start after 120 seconds
Incident details in: /opt/u01/app/oracle/diag/rdbms/incident/incdir_3721/db1_mmon_7417_i3721.trc
ERROR: Unable to normalize symbol name for the following short stack (at offset 2):
Tue Jun 21 03:03:06 2011
ORA-00445: background process "J003" did not start after 120 seconds


or

Waited for process W002 to initialize for 60 seconds



The system appears to be running very slowly and defunct processes can appear.

Changes

REDHAT 5 kernel 2.6.18-194.el5 #1 SMP Tue Mar 16
Oracle 11.2.0.2 Single Instance
IBM: Linux on System z

Cause

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