unusual order of '/proc/cpuinfo' on Sun Fire X5-4 (Doc ID 2245534.1)

Last updated on MARCH 21, 2017

Applies to:

Linux OS - Version Oracle Linux 7.0 and later
Information in this document applies to any platform.

Symptoms

 Numbering of core ids per physical id is other than expected:
0,1,10,11,16,17,18,19,2,20,24,25,26,27,3,4,8,9
This is an unusual order for counting and also also expecting sequence 0-17 instead of 0-27 with gaps.

 

Cause

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