diff --git a/sys/powerpc/include/spr.h b/sys/powerpc/include/spr.h
index ab48a91d13b..86dac97bc01 100644
--- a/sys/powerpc/include/spr.h
+++ b/sys/powerpc/include/spr.h
@@ -652,7 +652,9 @@
 
 #elif defined(BOOKE)
 
+#define	SPR_MCARU		0x239	/* ..8 Machine Check Address register upper bits */
 #define	SPR_MCSR		0x23c	/* ..8 Machine Check Syndrome register */
+#define	SPR_MCAR		0x23d	/* ..8 Machine Check Address register */
 
 #define	SPR_ESR			0x003e	/* ..8 Exception Syndrome Register */
 #define	  ESR_PIL		  0x08000000 /* Program interrupt - illegal */
diff --git a/sys/powerpc/powerpc/trap.c b/sys/powerpc/powerpc/trap.c
index 29130eafb71..a18c293ff05 100644
--- a/sys/powerpc/powerpc/trap.c
+++ b/sys/powerpc/powerpc/trap.c
@@ -401,6 +401,9 @@ static void
 printtrap(u_int vector, struct trapframe *frame, int isfatal, int user)
 {
 	uint16_t ver;
+#ifdef BOOKE
+	vm_paddr_t pa;
+#endif
 
 	printf("\n");
 	printf("%s %s trap:\n", isfatal ? "fatal" : "handled",
@@ -429,7 +432,10 @@ printtrap(u_int vector, struct trapframe *frame, int isfatal, int user)
 			printf("    msssr0         = 0x%lx\n",
 			    (u_long)mfspr(SPR_MSSSR0));
 #elif defined(BOOKE)
-		printf("   mcsr           = 0x%lx\n", (u_long)mfspr(SPR_MCSR));
+		pa = mfspr(SPR_MCARU);
+		pa = (pa << 32) | mfspr(SPR_MCAR);
+		printf("   mcsr            = 0x%lx\n", (u_long)mfspr(SPR_MCSR));
+		printf("   mcar            = 0x%jx\n", (uintmax_t)pa);
 #endif
 		break;
 	}