diff --git a/arch/i386/boot/memory.c b/arch/i386/boot/memory.c
index 1a2e62d..a0ccf29 100644
--- a/arch/i386/boot/memory.c
+++ b/arch/i386/boot/memory.c
@@ -33,6 +33,12 @@ static int detect_memory_e820(void)
 		      "=m" (*desc)
 		    : "D" (desc), "a" (0xe820));
 
+		printf("e820: err %d id 0x%08x next %u %08x:%08x %u\n",
+		       err, id, next,
+		       (unsigned int)desc->addr,
+		       (unsigned int)desc->size,
+		       desc->type);
+
 		if (err || id != SMAP)
 			break;