enable checkstop analysis.
diff --git a/openpower/configs/hostboot/p9dsu.config b/openpower/configs/hostboot/p9dsu.config
index c84ab59..350bd7f 100644
--- a/openpower/configs/hostboot/p9dsu.config
+++ b/openpower/configs/hostboot/p9dsu.config
@@ -59,7 +59,7 @@
 set BMC_BT_LPC_IPMI
 
 # Disable Checktop Analysis
-unset ENABLE_CHECKSTOP_ANALYSIS
+set ENABLE_CHECKSTOP_ANALYSIS
 unset IPLTIME_CHECKSTOP_ANALYSIS
 
 # Hostboot will not detect hardware changes