bash/probe_memtest.sh

   1 #!/bin/sh
   2
   3 prefix="RAM STATUS:"
   4 unsure_ret=0
   5
   6 [ "$1" = "-f" ] && unsure_ret=1
   7
   8 get_meminfo() {
   9         field="$1"
  10         file="/proc/meminfo"
  11         grep ^"$field": "$file" | grep -o '[0-9]*' ||
  12                 echo "$prefix Field $field not found in $file" >&2
  13 }
  14
  15 memtest=$(get_meminfo EarlyMemtestBad)
  16 ecccorr=$(get_meminfo HardwareCorrupted)
  17
  18 [ -z "$memtest" -o -z "$ecccorr" ] && {
  19         echo "$prefix Memtest not enabled in kernel"
  20         exit $unsure_ret
  21 }
  22
  23 echo "$prefix EarlyMemtestBad:$memtest HardwareCorrupted:$ecccorr"
  24 [ $memtest -gt 0 -o $ecccorr -gt 0 ] && {
  25         echo "$prefix Corrupted"
  26         exit 255
  27 }
  28 echo "$prefix OK"
  29 exit 0