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------- Comment From viparash@xxxxxxxxxx 2016-02-09 07:27 EDT-------
>> [ 6184.790703] RTAS: event: 190918, Type: Platform Error, Severity: 2
>> [ 6192.778684] RTAS: event: 190919, Type: Platform Error, Severity: 2
>> [ 6200.766701] RTAS: event: 190920, Type: Platform Error, Severity: 2 <---

ubuntu@alp11:/var/log/dump$ servicelog --query='id=2457'
Servicelog ID:      2457
Log Timestamp:      Mon Feb  8 07:45:02 2016
Event Timestamp:    Mon Feb  8 11:55:13 2016
Update Timestamp:   Mon Feb  8 08:45:02 2016
Type:               Power Platform (RTAS) Event
Severity:           4 (WARNING)
Platform:           ppc64le
Model/Serial:       8408-E8E/10A7A3V
Node Name:          alp11
Reference Code:     11007691
Serviceable Event:  Yes
Predictive Event:   No
Disposition:        2 (Unrecoverable, Bypassed)
Call Home Status:   1 (Call Home Candidate)
Status:             Open
Action Flags:       a804
Event Type:         224 - Platform Event
Kernel ID:          190920                                <-----
Platform ID:        5001f586
Creator ID:         E - Service Processor
Subsystem ID:       63 - Power/Cooling subsystem
RTAS Severity:      44 - Unrecoverable Error, bypassed with loss of redundancy
Event Subtype:      00 - Not applicable

Extended Reference Codes:
2: 003c0001  3: 00008514  4: 00000000  5: 00000000
6: 0f9b2564  7: 1010db38  8: 1010db38  9: 0000013d

Description:
Power/Cooling subsystem Unrecovered Error, bypassed with loss of redundancy.
Refer to the system service documentation for more information.

<< Callout 1 >>
Priority            H
Type                16
Procedure Id:
Location:           U78C7.001.RCH0042-A9
FRU:                00LU710
Serial:             YSTORCAGE0A9
CCIN:               6B75

<< Callout 2 >>
Priority            L
Type                16
Procedure Id:
Location:           U78C7.001.RCH0042-P3
FRU:                00E3991
Serial:             YA30BG4CK013
CCIN:               2CD2

ubuntu@alp11:/var/log/dump$

These events are due to Power/Cooling subsystem errors.  System seems to
be having some cooling issue causing these errors.

------- Comment From viparash@xxxxxxxxxx 2016-02-09 07:30 EDT-------
Fix in this defect is for fixing below errors which were spurious in nature.
"Non critical power or cooling issue cleared"
These are no longer seen now with fix. Fix is working as designed.

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https://bugs.launchpad.net/bugs/1539102

Title:
  EPOW related RTAS event messages in kernel logs

Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Wily:
  Fix Committed
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  Problem Description
  ===============================
  EPOW related RTAS event messages in kernel logs 
   

  Machine Type = POWER8 
   
  Steps to Reproduce
  =============================
   1) Install Ubuntu14.04 on a Power VM LPAR.
  2) Post reboot following events are logged into dmesg & /var/log/syslog

  [216112.739470] Non critical power or cooling issue cleared
  [216122.992606] RTAS: event: 187589, Type: EPOW, Severity: 1
  [216122.992609] Non critical power or cooling issue cleared
  [216129.240731] RTAS: event: 187590, Type: EPOW, Severity: 1
  [216129.240733] Non critical power or cooling issue cleared
  [216141.612689] RTAS: event: 187591, Type: EPOW, Severity: 1
  [216141.612691] Non critical power or cooling issue cleared
  [216147.830578] RTAS: event: 187592, Type: EPOW, Severity: 1
  [216147.830580] Non critical power or cooling issue cleared
  [216158.334408] RTAS: event: 187593, Type: EPOW, Severity: 1
  [216158.334410] Non critical power or cooling issue cleared
  [216199.883138] RTAS: event: 187594, Type: EPOW, Severity: 1
  [216199.883140] Non critical power or cooling issue cleared
  [216244.596335] RTAS: event: 187595, Type: EPOW, Severity: 1
  [216244.596337] Non critical power or cooling issue cleared
  [216250.853514] RTAS: event: 187596, Type: EPOW, Severity: 1
  [216250.853516] Non critical power or cooling issue cleared
  [216263.319986] RTAS: event: 187597, Type: EPOW, Severity: 1
  [216263.319989] Non critical power or cooling issue cleared
  [216271.438925] RTAS: event: 187598, Type: EPOW, Severity: 1

  
  The log is filled with several such messages along with 

  RTAS: event: 13884, Type: Platform Error, Severity: 2
  RTAS: event: 13885, Type: Platform Error, Severity: 2
  RTAS: event: 13886, Type: Platform Error, Severity: 2
  RTAS: event: 13887, Type: Platform Error, Severity: 2
  RTAS: event: 13888, Type: Platform Error, Severity: 2
  RTAS: event: 13889, Type: Platform Error, Severity: 2
  RTAS: event: 13890, Type: Platform Error, Severity: 2
  RTAS: event: 13891, Type: Platform Error, Severity: 2

  Regrads
  Praveen

  == Comment: #2 - VASANT HEGDE <hegdevasant@xxxxxxxxxx> -  ==
  Below upstream patch fixes this issue..I believe this will apply cleanly on top of Ubuntu 14.04.04 kernel.

  
  commit b4af279a7cba5cc1f665485e8ecdf272f1ba0cc5
  Author: Vipin K Parashar <vipin@xxxxxxxxxxxxxxxxxx>
  Date:   Tue Dec 1 16:43:42 2015 +0530

      powerpc/pseries: Limit EPOW reset event warnings
      
      Kernel prints respective warnings about various EPOW events for
      user information/action after parsing EPOW interrupts. At times
      below EPOW reset event warning is seen to be flooding kernel log
      over a period of time.

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