Detected Change In Cpu Count To 9 Detected Change In Cpu Count To 10 (Doc ID 1294044.1)

Last updated on APRIL 24, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.3 and later
IBM z/OS on System z
***Checked for relevance on 28-Nov-2012***

Symptoms


The following messages may appear in the alert log while the cpu_count is showing 8, a different value:

"Detected change in CPU count to 9"

"Detected change in CPU count to 10"

e.g:
SQL> show parameter cpu                                                                                   
                                                                                                          
NAME                                           TYPE        VALUE                                                    
------------------------------------ ----------- ------------------------------                           
cpu_count                                      integer     8                                                        
parallel_threads_per_cpu            integer     2                                                        
SQL>       

alert.log:
....
Sat Mar  7 01:29:34 2009
Determining CPU socket count failed!
Detected change in CPU count to 9
Sat Mar  7 01:30:34 2009
Detected change in CPU count to 10
                                                                                                                                                       

Cause

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