prtdiag -v on a T-series system does not display any CPU information
Last updated on DECEMBER 01, 2016
Applies to:
Solaris Operating System - Version 10 10/08 U6 and laterInformation 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 ========================
.....
#
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.
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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