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#!/bin/bash
# GENMEM socketid channel dimm corr-err-cnt uc-flag
# generate a memory error. All fields are optional.
# suitable to be fed into mce-inject or mcelog --ascii
# Note: DIMMs only work when mcelog is in Nehalem mode
# this cannot be forced through mce-inject, but only on the command line
# setting ucflag and injecting can panic your system
socketid=${1:-0}
channel=${2:-0}
dimm=${3:-0}
corr_err_cnt=${4:-0}
if [ ! -z "$5" ] ; then
ucflag=$[(1 << (61-32)) | (1 << (60-32)) | (1 << (56-32))]
else
ucflag=0
fi
echo "# memory error on socket $socketid ch $channel dimm $dimm"
echo "CPU 0 2" # XXX use cpu in socket
echo "# nehalem"
echo "PROCESSOR 0:0x106a0"
printf "MCGCAP 0x%x\n" $[1 << 10]
echo "SOCKETID $socketid"
printf "STATUS 0x%08x%08x\n" \
$[0x88000000 + ($corr_err_cnt << 6) + $ucflag] $[0xb0 + $channel]
printf "MISC 0x%08x\n" $[($channel << 18) + ($dimm << 16)]
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