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Performance problems on LDOM due to locking contention in cnex driver (Doc ID 2204804.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Solaris Operating System - Version 10 11/06 U3 and later
Information in this document applies to any platform.


When vmstat(1) and mpstat(1) show a high CPU sys percentage and mpstat(1) shows a high number of spins on mutexes (column smtx)...

...then the system is hitting a known and fixed issue in the cnex driver.


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