T5440 Doesn't Power On Due to a CPU POK Glitch (Doc ID 1594460.1)

Last updated on MAY 01, 2017

Applies to:

Sun SPARC Enterprise T5440 Server - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

Customer reports the system is down and won't power on.

 

-> show faulty will most likely show a fault on a CPU:

-> show faulty
Target              | Property               | Value                           
--------------------+------------------------+---------------------------------
/SP/faultmgmt/0     | fru                    | /SYS                            
/SP/faultmgmt/0/    | timestamp              | Oct 16 18:05:53                 
 faults/0           |                        |                                 
/SP/faultmgmt/0/    | sp_detected_fault      | Poweron failed: suspect         
 faults/0           |                        | components: CPU1  

 

Looking at the ILOM logs a continuous POK Glitch on the CPU can be seen:

-> show /SP/logs/event/list

2035   Wed Oct 16 18:46:53 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2034   Wed Oct 16 18:46:42 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2033   Wed Oct 16 18:46:31 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2032   Wed Oct 16 18:46:20 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2031   Wed Oct 16 18:46:09 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2030   Wed Oct 16 18:45:58 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2029   Wed Oct 16 18:45:47 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2028   Wed Oct 16 18:45:36 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2027   Wed Oct 16 18:45:24 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2026   Wed Oct 16 18:45:13 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2025   Wed Oct 16 18:45:00 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2024   Wed Oct 16 18:44:49 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2023   Wed Oct 16 18:44:38 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2022   Wed Oct 16 18:44:27 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2021   Wed Oct 16 18:44:16 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2020   Wed Oct 16 18:44:04 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2019   Wed Oct 16 18:43:53 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)
2018   Wed Oct 16 18:43:42 2013  Chassis   Log       minor   
       POK Glitch: /SYS/MB/CPU1 (vmem)



Cause

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