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#!/bin/bash# 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=0for i in $AFFECTED_CPUS ; dologger -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 > $Fif [ "$(< $F)" != "0" ] ; thenlogger -s -p daemon.warn -t mcelog "Offlining CPU $i failed"EXIT=1fidone[ -x ./cache-error-trigger.local ] && . ./cache-error-trigger.localexit $EXIT