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Node down with process on cpu31 hung (CCMA-Worker) message and DIMM CECC error

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Applies to

AFF-A700

Issue

  • Node panic with following error.

PANIC : process on cpu31 hung (CCMA-Worker) for 5007 milliseconds!

  • Node can not boot up with the following error after panic reboot.

Initializing System Memory ...
MEMORY WARNING: Major Code 0x30 Minor Code 0x13 Dimm 1
MEMORY WARNING: Major Code 0x30 Minor Code 0x13 Dimm 1
MEMORY WARNING: Major Code 0x30 Minor Code 0x15 Dimm 1
MEMORY WARNING: Major Code 0x30 Minor Code 0x15 Dimm 1
MEMORY WARNING: Major Code 0x30 Minor Code 0x15 Dimm 2
MEMORY WARNING: Major Code 0x30 Minor Code 0x15 Dimm 2
DIMM:1 mapped out. BIOS MRC mapped out DIMM. Major / Minor Error Code: 0x31 / 0x25
Complete channel mapped out.

DIMM in slot 1 is disabled
DIMM in slot 2 is disabled

System DIMM configuration is not supported by AFF-A700
Halting...

  • Replace mapped out DIMM-1 and node boot up. 5 days later the node detects CECC error and panic again. 

HA Group Notification from node-1 (Health Monitor process nphm: CriticalCECCCountMemErrAlert[DIMM-1]) ALERT
HA Group Notification from node-1 (Health Monitor process nphm: CriticalCECCCountMemErrAlert[DIMM-2]) ALERT

PANIC: process on cpu5 hung (CCMA-Worker) for 5002 milliseconds!

  • After giveback and replace of DIMM-1&DIMM-2 the node back online. 

 

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