diff --git a/stand/kboot/main.c b/stand/kboot/main.c
index f81d7b2cead4..1cc4c0531772 100644
--- a/stand/kboot/main.c
+++ b/stand/kboot/main.c
@@ -86,6 +86,11 @@ memory_limits(void)
 				committed_as <<= 10; /* Units are kB */
 			}
 		}
+	} else {
+		/* Otherwise, on FreeBSD host, for testing 32GB host: */
+		mem_avail = 31ul << 30;			/* 31GB free */
+		commit_limit = mem_avail * 9 / 10;	/* 90% comittable */
+		committed_as = 20ul << 20;		/* 20MB used */
 	}
 	printf("Commit limit: %lld Committed bytes %lld Available %lld\n",
 	    (long long)commit_limit, (long long)committed_as,
diff --git a/stand/kboot/seg.c b/stand/kboot/seg.c
index 947aa0a2a7a3..4da53e2bc75d 100644
--- a/stand/kboot/seg.c
+++ b/stand/kboot/seg.c
@@ -286,6 +286,9 @@ populate_avail_from_iomem(void)
 	fd = open("host:/proc/iomem", O_RDONLY);
 	if (fd == -1) {
 		printf("Can't get memory map\n");
+		init_avail();
+		// Hack: 32G of RAM starting at 4G
+		add_avail(4ull << 30, 36ull << 30, system_ram);
 		return false;
 	}