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T7-x: BoB DCAL command timeout errors reported against memory dimms. (Doc ID 2357844.1)

Last updated on FEBRUARY 03, 2019

Applies to:

SPARC T7-1 - Version All Versions to All Versions [Release All Releases]
SPARC T7-2 - Version All Versions to All Versions [Release All Releases]
SPARC T7-4 - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

 Dimm flagged during POST reporting "BoB DCAL command timeout"

 

2017-07-07 11:33:01 SP> NOTICE: Host is off
2017-07-07 11:58:48 SP> NOTICE: Start Host in progress: Step 2 of 7
2017-07-07 11:58:48 SP> NOTICE: Start Host in progress: Step 3 of 7
2017-07-07 11:58:51 SP> NOTICE: Start Host in progress: Step 4 of 7
@(#)Hostconfig 1.8.4 2016/12/08 06:15
2017-07-07 12:05:11 0:00:0> NOTICE: Firmware timezone is AST
2017-07-07 12:05:14 0:00:0> NOTICE: Using HW change diag level and verbosity
...
2017-07-07 12:19:18 0:00:0> ERROR: /SYS/MB/CM/CMP/BOB21/CH0/DIMM: BoB DCAL command timeout   <-----------------
2017-07-07 12:19:18 0:00:0> NOTICE: Applying Memory Reconfiguration Policy
2017-07-07 12:19:18 0:00:0> ERROR: /SYS/MB/CM/CMP/MR0/BOB20/CH1/DIMM: DIMM population chip symmetry rule violation. Not  configured
2017-07-07 12:19:18 0:00:0> ERROR: /SYS/MB/CM/CMP/BOB21/CH1/DIMM: DIMM population chip symmetry rule violation. Not configured
2017-07-07 12:19:18 0:00:0> WARNING: Running with a nonstandard DIMM configuration. Refer to service document for details.

 

FMA may also generate a fault against the dimm reporting the timeout

 

------------------- ------------------------------------ -------------- --------
Time UUID msgid Severity
------------------- ------------------------------------ -------------- --------
2017-07-07/12:13:33 37f8d21a-8ee0-4bed-981f-d82b77f881f8 SPSUN4V-8002-8A Major

Problem Status : open
Diag Engine : fdd 1.0
System
Manufacturer : Oracle Corporation
Name : SPARC T7-1
Part_Number : 34201652+1+1
Serial_Number : AK00358358

System Component
Firmware_Manufacturer : Oracle Corporation
Firmware_Version : (ILOM)3.2.8.1.a,(POST)5.5.4,(OBP)4.40.4,(HV)1.17.4
Firmware_Release : (ILOM)2016.12.08,(POST)2016.12.08,(OBP)2016.12.08,(HV)2016.12.08

----------------------------------------
Suspect 1 of 2
Problem class : fault.memory.dimm
Certainty : 100%
Affects : /SYS/MB/CM/CMP/BOB21/CH0/DIMM
Status : faulted

FRU
Status : faulty
Location : /SYS/MB/CM/CMP/BOB21/CH0/DIMM
Manufacturer : Samsung
Name : 32768MB DDR4 SDRAM DIMM
Part_Number : 07075400,M393A4K40BB1-CRC
Revision : 01
Serial_Number : 00CE03171719269E92
Chassis
Manufacturer : Oracle Corporation
Name : SPARC T7-1
Part_Number : 34201652+1+1
Serial_Number : AK00358358
----------------------------------------
Suspect 2 of 2
Problem class : fault.memory.multidimm
Certainty : 100%
Affects : /SYS/MB/CM/CMP/MR0/BOB20/CH0/DIMM
Status : faulted

FRU
Status : faulty
Location : /SYS/MB/CM/CMP/MR0/BOB20/CH0/DIMM
Manufacturer : Samsung
Name : 32768MB DDR4 SDRAM DIMM
Part_Number : 07075400,M393A4K40BB1-CRC
Revision : 01
Serial_Number : 00CE03171719269F42
Chassis
Manufacturer : Oracle Corporation
Name : SPARC T7-1
Part_Number : 34201652+1+1
Serial_Number : AK00358358

Description : Excessive correctable dimm errors have occurred.

Response : No system response required.

Impact : System performance may be affected.

Action : Use 'fmadm faulty' to provide a more detailed view of this
event. Please refer to the associated reference document at
http://support.oracle.com/msg/SPSUN4V-8002-8A for the latest
service procedures and policies regarding this diagnosis.

Changes

 No changes were made to the sever. Patching or otherwise.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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