Auto remove EDAC module for PFA test
Some EDAC modules will stop mcelog to collect the error log from
kernel mcelog buffer, which cause the mcelog PFA function invalid.
To avoid the influence from EDAC module, remove the specific EDAC
module before the test and restore it after the test.
Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
diff --git a/cases/function/pfa/run_pfa.sh b/cases/function/pfa/run_pfa.sh
index 01f417b..6ac0fec 100755
--- a/cases/function/pfa/run_pfa.sh
+++ b/cases/function/pfa/run_pfa.sh
@@ -5,6 +5,7 @@
INJ_TYPE=0x00000008
APEI_IF=""
PFA_BIN=""
+EDAC_TYPE=""
invalid()
{
@@ -56,6 +57,18 @@
[ $? -ne 0 ] &&
invalid "Necessary Error Injection for PFA is not supported on this platform"
+ # remove possible EDAC module, otherwise, the error information will be ate
+ # by EDAC module and mcelog will not get it.
+ # By now, only i7core_edac and sb_edac hook into the mcelog kernel buffer
+ cat /proc/modules | grep -q i7core_edac
+ if [ $? -eq 0 ]; then
+ EDAC_TYPE="i7core_edac"
+ else
+ cat /proc/modules | grep -q sb_edac
+ [ $? -eq 0 ] && EDAC_TYPE="sb_edac"
+ fi
+ rmmod $EDAC_TYPE >/dev/null 2>&1
+
killall $PFA_BIN > /dev/null 2>&1
$PFA_BIN | tee log &
#wait to flush stdout into log
@@ -78,6 +91,7 @@
cleanup()
{
rm -f trigger log
+ modprobe $EDAC_TYPE >/dev/null 2>&1
}
trap "cleanup" 0
