diff --git a/sys/x86/x86/mca.c b/sys/x86/x86/mca.c
--- a/sys/x86/x86/mca.c
+++ b/sys/x86/x86/mca.c
@@ -810,6 +810,11 @@
 {
 	struct mca_internal *rec;
 
+	if (!mca_startup_done) {
+		mca_log(record);
+		return;
+	}
+
 	if (mode == POLLED) {
 		rec = malloc(sizeof(*rec), M_MCA, M_WAITOK);
 		mtx_lock_spin(&mca_lock);