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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 <hegdevas...@in.ibm.com> - ==
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 <vi...@linux.vnet.ibm.com>
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.
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Taco Screen team (taco-screen-team)
Status: New
** Tags: architecture-ppc64le bot-comment bugnameltc-136190 severity-high
targetmilestone-inin---
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EPOW related RTAS event messages in kernel logs
https://bugs.launchpad.net/bugs/1539102
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