committing changes in /etc after emerge run

Package changes:
+app-admin/mcelog-122

cron.daily/mcelog

@@ -0,0 +1,3 @@
+#!/bin/bash
+header="$(date +"%b %d %H:%M:%S") $(hostname) "
+/usr/sbin/mcelog --ignorenodev --filter | sed "s,^,$header,g" >> /var/log/mcelog

init.d/mcelog

@@ -0,0 +1,16 @@
+#!/sbin/runscript
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+description='Start/stop mcelog in daemon mode'
+
+pidfile="/var/run/mcelog.pid"
+command="/usr/sbin/mcelog"
+command_args="--daemon --pidfile ${pidfile} ${MCELOG_OPTS}"
+
+depend() {
+	after udev 
+	need localmount
+	use logging
+}

logrotate.d/mcelog

@@ -0,0 +1,15 @@
+/var/log/mcelog {
+    compress
+    dateext
+    maxage 365
+    rotate 99
+    size=+2048k
+    notifempty
+    missingok
+    copytruncate
+    postrotate
+    chmod 644 /var/log/mcelog
+    [ -r /var/run/mcelog.pid ] && kill -USR1 `cat /var/run/mcelog.pid`
+    endscript
+}
+

mcelog/bus-error-trigger

@@ -0,0 +1,23 @@
+#!/bin/sh
+#  This shell script can be executed by mcelog in daemon mode when a sockets
+#  receives Bus and Interconnect errors
+#
+# environment:
+# MESSAGE	Human readable consolidated error message
+# LOCATION	Consolidated location as a single string
+# SOCKETID	Socket ID of CPU that includes the memory controller with the DIMM
+# LEVEL		Interconnect level
+# PARTICIPATION	Processor Participation (Originator, Responder or Observer)
+# REQUEST	Request type (read, write, prefetch, etc.)
+# ORIGIN	Memory or IO
+# TIMEOUT	The request timed out or not
+#
+# note: will run as mcelog configured user
+# this can be changed in mcelog.conf
+
+logger -s -p daemon.err -t mcelog "$MESSAGE"
+logger -s -p daemon.err -t mcelog "Location: $LOCATION"
+
+[ -x ./bus-error-trigger.local ] && . ./bus-error-trigger.local
+
+exit 0

mcelog/cache-error-trigger

@@ -0,0 +1,34 @@
+#!/bin/sh
+# cache error trigger. This shell script is executed by mcelog in daemon mode
+# when a CPU reports excessive corrected cache errors. This could be a indication
+# for future uncorrected errors.
+# 
+# environment:
+# MESSAGE	  Human readable error message
+# CPU		  Linux CPU number that triggered the error
+# LEVEL		  Cache level affected by error
+# TYPE		  Cache type affected by error (Data,Instruction,Generic)
+# AFFECTED_CPUS   List of CPUs sharing the affected cache
+# SOCKETID	  Socket ID of affected CPU
+#
+# note: will run as mcelog configured user
+# this can be changed in mcelog.conf
+
+#
+# offline the CPUs sharing the affected cache
+#
+EXIT=0
+
+for i in $AFFECTED_CPUS ; do
+	logger -s -p daemon.crit -t mcelog "Offlining CPU $i due to cache error threshold"
+	F=$(printf "/sys/devices/system/cpu/cpu%d/online" $i)
+	echo 0 > $F
+	if [ "$(cat $F)" != "0" ] ; then
+		logger -s -p daemon.warn -t mcelog "Offlining CPU $i failed"
+		EXIT=1
+	fi
+done
+
+[ -x ./cache-error-trigger.local ] && . ./cache-error-trigger.local
+
+exit $EXIT

mcelog/dimm-error-trigger

@@ -0,0 +1,29 @@
+#!/bin/sh
+#  This shell script can be executed by mcelog in daemon mode when a DIMM
+#  exceeds a pre-configured error threshold
+# 
+# environment:
+# THRESHOLD     human readable threshold status
+# MESSAGE	Human readable consolidated error message
+# TOTALCOUNT    total count of errors for current DIMM of CE/UC depending on
+#		what triggered the event
+# LOCATION	Consolidated location as a single string
+# DMI_LOCATION  DIMM location from DMI/SMBIOS if available
+# DMI_NAME	DIMM identifier from DMI/SMBIOS if available
+# DIMM		DIMM number reported by hardware
+# CHANNEL	Channel number reported by hardware
+# SOCKETID	Socket ID of CPU that includes the memory controller with the DIMM
+# CECOUNT	Total corrected error count for DIMM
+# UCCOUNT	Total uncorrected error count for DIMM
+# LASTEVENT	Time stamp of event that triggered threshold (in time_t format, seconds)
+# THRESHOLD_COUNT Total umber of events in current threshold time period of specific type
+#
+# note: will run as mcelog configured user
+# this can be changed in mcelog.conf
+
+logger -s -p daemon.err -t mcelog "$MESSAGE"
+logger -s -p daemon.err -t mcelog "Location: $LOCATION"
+
+[ -x ./dimm-error-trigger.local ] && . ./dimm-error-trigger.local
+
+exit 0

mcelog/iomca-error-trigger

@@ -0,0 +1,23 @@
+#!/bin/sh
+#  This shell script can be executed by mcelog in daemon mode when a sockets
+#  receives Bus and Interconnect errors
+#
+# environment:
+# MESSAGE	Human readable consolidated error message
+# LOCATION	Consolidated location as a single string
+# SOCKETID	Socket ID of CPU that includes the memory controller with the DIMM
+# CPU		Linux CPU number that triggered the error
+# SET		PCI segment number
+# BUS		PCI bus number
+# DEVICE	PCI device number
+# FUNCTION	PCI function number
+#
+# note: will run as mcelog configured user
+# this can be changed in mcelog.conf
+
+logger -s -p daemon.err -t mcelog "$MESSAGE"
+logger -s -p daemon.err -t mcelog "Location: $LOCATION"
+
+[ -x ./iomca-error-trigger.local ] && . ./iomca-error-trigger.local
+
+exit 0

mcelog/mcelog.conf

@@ -0,0 +1,181 @@
+#
+# Example config file for mcelog
+# mcelog is the user space backend that decodes and process machine check events
+# (cpu hardware errors) reported by the CPU to the kernel
+#
+
+# general format
+#optionname = value
+# white space is not allowed in value currently, except at the end where it is dropped
+#
+
+# In general all command line options that are not commands work here.
+# See man mcelog or mcelog --help for a list.
+# e.g. to enable the --no-syslog option use 
+#no-syslog = yes   (or no to disable)
+# when the option has a argument
+#logfile = /tmp/logfile
+# below are the options which are not command line options.
+
+# Set CPU type for which mcelog decodes events:
+#cpu = type
+# For valid values for type please see mcelog --help.
+# If this value is set incorrectly the decoded output will be likely incorrect.
+# By default when this parameter is not set mcelog uses the CPU it is running on
+# on very new kernels the mcelog events reported by the kernel also carry
+# the CPU type which is used too when available and not overriden.
+
+# Enable daemon mode:
+#daemon = yes
+# By default mcelog just processes the currently pending events and exits.
+# In daemon mode it will keep running as a daemon in the background and poll
+# the kernel for events and then decode them.
+
+# Filter out known broken events by default.
+filter = yes
+# Don't log memory errors individually.
+# They still get accounted if that is enabled.
+#filter-memory-errors = yes
+
+# output in undecoded raw format to be easier machine readable
+# (default is decoded).
+#raw = yes
+
+# Set CPU Mhz to decode uptime from time stamp counter (output
+# unreliable, not needed on new kernels which report the event time
+# directly. A lot of systems don't have a linear time stamp clock
+# and the output is wrong then. 
+# Normally mcelog tries to figure out if it the TSC is reliable
+# and only uses the current frequency then.
+# Setting a frequency forces timestamp decoding.
+# This setting is obsolete with modern kernels which report the time 
+# directly.
+#cpumhz = 1800.00
+
+# log output options
+# Log decoded machine checks in syslog (default stdout or syslog for daemon)	     
+#syslog = yes
+# Log decoded machine checks in syslog with error level
+#syslog-error = yes
+# Never log anything to syslog
+#no-syslog = yes     
+# Append log output to logfile instead of stdout. Only when no syslog logging is active   
+#logfile = filename
+ 
+# Use SMBIOS information to decode DIMMs (needs root).
+# This function is not recommended to use right now and generally not needed.
+# The exception is memdb prepopulation, which is configured separately below.
+#dmi = no
+
+# When in daemon mode run as this user after set up.
+# Note that the triggers will run as this user too.
+# Setting this to non root will mean that triggers cannot take some corrective
+# action, like offlining objects.
+#run-credentials-user = root
+
+# group to run as daemon with
+# default to the group of the run-credentials-user
+#run-credentials-group = nobody
+
+[server]
+# user allowed to access client socket.
+# when set to * match any
+# root is always allowed to access.
+# default: root only
+client-user = root
+# group allowed to access mcelog
+# When no group is configured any group matches (but still user checking).
+# when set to * match any
+#client-group = root
+# Path to the unix socket for client<->server communication.
+# When no socket-path is configured the server will not start
+#socket-path = /var/run/mcelog-client
+# When mcelog starts it checks if a server is already running. This configures the timeout
+# for this check.
+#initial-ping-timeout = 2 
+#
+[dimm]
+# Is the in memory DIMM error tracking enabled?
+# Only works on systems with integrated memory controller and
+# which are supported.
+# Only takes effect in daemon mode.
+dimm-tracking-enabled = yes
+# Use DMI information from the BIOS to prepopulate DIMM database.
+# Note this might not work with all BIOS and requires mcelog to run as root.
+# Alternative is to let mcelog create DIMM objects on demand.
+dmi-prepopulate = yes
+#
+# Execute these triggers when the rate of corrected or uncorrected
+# Errors per DIMM exceeds the threshold.
+# Note when the hardware does not report DIMMs this might also
+# be per channel.
+# The default of 10/24h is reasonable for server quality 
+# DDR3 DIMMs as of 2009/10.
+#uc-error-trigger = dimm-error-trigger
+uc-error-threshold = 1 / 24h
+#ce-error-trigger = dimm-error-trigger
+ce-error-threshold = 10 / 24h
+
+[socket]
+# Enable memory error accounting per socket.
+socket-tracking-enabled = yes
+
+# Threshold and trigger for uncorrected memory errors on a socket.
+# mem-uc-error-trigger = socket-memory-error-trigger
+
+mem-uc-error-threshold = 100 / 24h
+
+# Trigger script for corrected memory errors on a socket.
+mem-ce-error-trigger = socket-memory-error-trigger
+
+# Threshold on when to trigger a correct error for the socket.
+
+mem-ce-error-threshold = 100 / 24h
+
+#  Log socket error threshold explicitely?
+mem-ce-error-log = yes
+
+# Trigger script for uncorrected bus error events
+bus-uc-threshold-trigger = bus-error-trigger
+
+# Trigger script for uncorrected IOMCA erors
+iomca-threshold-trigger = iomca-error-trigger
+
+# Trigger script for other uncategorized errors
+unknown-threshold-trigger = unknown-error-trigger
+
+[cache]
+# Processing of cache error thresholds reported by Intel CPUs.
+cache-threshold-trigger = cache-error-trigger
+
+# Should cache threshold events be logged explicitely?
+cache-threshold-log = yes
+
+[page]
+# Memory error accouting per 4K memory page.
+# Threshold for the correct memory errors trigger script.
+memory-ce-threshold = 10 / 24h
+
+# Trigger script for corrected errors.
+# memory-ce-trigger = page-error-trigger
+
+# Should page threshold events be logged explicitely?
+memory-ce-log = yes
+
+# specify the internal action in mcelog to exceeding a page error threshold
+# this is done in addition to executing the trigger script if available
+# off      no action
+# account  only account errors
+# soft     try to soft-offline page without killing any processes
+#          This requires an uptodate kernel. Might not be successfull.
+# hard     try to hard-offline page by killing processes
+#          Requires an uptodate kernel. Might not be successfull.
+# soft-then-hard   First try to soft offline, then try hard offlining
+#memory-ce-action = off|account|soft|hard|soft-then-hard
+memory-ce-action = soft
+
+[trigger]
+# Maximum number of running triggers
+children-max = 2
+# execute triggers in this directory
+directory = /etc/mcelog

mcelog/page-error-trigger

@@ -0,0 +1,30 @@
+#!/bin/sh
+#  This shell script can be executed by mcelog in daemon mode when a page
+#  in memory exceeds a pre-configured corrected error threshold.
+#  mcelog internally also supports offlining the page through the kernel.
+# 
+# environment:
+# THRESHOLD     human readable threshold status
+# MESSAGE	Human readable consolidated error message
+# TOTALCOUNT    total count of errors for current DIMM of CE/UC depending on
+#		what triggered the event
+# LOCATION	Consolidated location as a single string
+# DMI_LOCATION  DIMM location from DMI/SMBIOS if available
+# DMI_NAME	DIMM identifier from DMI/SMBIOS if available
+# DIMM		DIMM number reported by hardware
+# CHANNEL	Channel number reported by hardware
+# SOCKETID	Socket ID of CPU that includes the memory controller with the DIMM
+# CECOUNT	Total corrected error count for DIMM
+# UCCOUNT	Total uncorrected error count for DIMM
+# LASTEVENT	Time stamp of event that triggered threshold (in time_t format, seconds)
+# THRESHOLD_COUNT Total umber of events in current threshold time period of specific type
+#
+# note: will run as mcelog configured user
+# this can be changed in mcelog.conf
+
+logger -s -p daemon.err -t mcelog "$MESSAGE"
+logger -s -p daemon.err -t mcelog "Location: $LOCATION"
+
+[ -x ./page-error-trigger.local ] && . ./page-error-trigger.local
+
+exit 0

mcelog/socket-memory-error-trigger

@@ -0,0 +1,25 @@
+#!/bin/sh
+#  This shell script can be executed by mcelog in daemon mode when a sockets
+#  exceeds a pre-configured error threshold for memory errors
+# 
+# environment:
+# THRESHOLD     human readable threshold status
+# MESSAGE	Human readable consolidated error message
+# TOTALCOUNT    total count of errors for current socket  of CE/UC depending on
+#		what triggered the event
+# LOCATION	Consolidated location as a single string
+# SOCKETID	Socket ID of CPU that includes the memory controller with the DIMM
+# CECOUNT	Total corrected error count for socket
+# UCCOUNT	Total uncorrected error count for socket
+# LASTEVENT	Time stamp of event that triggered threshold (in time_t format, seconds)
+# THRESHOLD_COUNT Total umber of events in current threshold time period of specific type
+#
+# note: will run as mcelog configured user
+# this can be changed in mcelog.conf
+
+logger -s -p daemon.err -t mcelog "$MESSAGE"
+logger -s -p daemon.err -t mcelog "Location: $LOCATION"
+
+[ -x ./socket-memory-error-trigger.local ] && . ./socket-memory-error-trigger.local
+
+exit 0

mcelog/unknown-error-trigger

@@ -0,0 +1,26 @@
+#!/bin/sh
+#  This shell script is executed by mcelog in daemon mode when
+#  an not otherwise handled machine check error happens.
+#
+# environment:
+# MESSAGE	Human readable consolidated error message
+# LOCATION	Consolidated location as a single string
+# SOCKETID	Socket ID of CPU that includes the memory controller with the DIMM
+# CPU		Linux CPU number that triggered the error
+# STATUS	IA32_MCi_STATUS register value
+# ADDR		IA32_MCi_ADDR register value
+# MISC		IA32_MCi_MISC register value
+# MCGSTATUS	IA32_MCG_STATUS register value
+# MCGCAP	IA32_MCG_CAP register value
+# For details on the register layout please see the Intel SDM http://www.intel.com/sdm
+# volume 3, chapter 15
+#
+# note: will run as mcelog configured user
+# this can be changed in mcelog.conf
+
+logger -s -p daemon.err -t mcelog "$MESSAGE"
+logger -s -p daemon.err -t mcelog "Location: $LOCATION"
+
+[ -x ./unknown-error-trigger.local ] && . ./unknown-error-trigger.local
+
+exit 0