prtdiag -v on a T-series system does not display any CPU information (Doc ID 1364538.1)

Last updated on DECEMBER 01, 2016

Applies to:

Solaris Operating System - Version 10 10/08 U6 and later
Information in this document applies to any platform.

Symptoms

When the prtdiag -v command is issued it may not display any information regarding the CPUs in the system.  For example:

# prtdiag -v
System Configuration: Sun Microsystems sun4v Sun Blade T6320 Server Module
Memory size: 32640 Megabytes

================================ Virtual CPUs ================================


CPU ID Frequency Implementation Status
------ --------- ---------------------- -------

======================= Physical Memory Configuration ========================

.....

#


Yet the psrinfo command will show all of the expected CPUs to be online and available:

# psrinfo -v
Status of virtual processor 0 as of: 09/28/2011 12:51:22
on-line since 09/02/2011 13:30:29.
The sparcv9 processor operates at 1165 MHz,
and has a sparcv9 floating point processor.
Status of virtual processor 1 as of: 09/28/2011 12:51:22
on-line since 09/02/2011 13:30:55.
The sparcv9 processor operates at 1165 MHz,
and has a sparcv9 floating point processor.

....

Status of virtual processor 62 as of: 09/28/2011 12:51:22
on-line since 09/02/2011 13:30:55.
The sparcv9 processor operates at 1165 MHz,
and has a sparcv9 floating point processor.
Status of virtual processor 63 as of: 09/28/2011 12:51:22
on-line since 09/02/2011 13:30:55.
The sparcv9 processor operates at 1165 MHz,
and has a sparcv9 floating point processor.

Cause

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