Index: dev/vt/hw/efifb/efifb.c
===================================================================
--- dev/vt/hw/efifb/efifb.c	(revision 276343)
+++ dev/vt/hw/efifb/efifb.c	(working copy)
@@ -211,8 +211,8 @@
 	res_id = 0;
 	pseudo_phys_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
 	    &res_id, local_info.fb_pbase,
-	    local_info.fb_pbase + local_info.fb_size,
-	    local_info.fb_size, RF_ACTIVE);
+	    local_info.fb_pbase + local_info.fb_size - 1,
+	    local_info.fb_size, 0);
 	if (pseudo_phys_res == NULL)
 		panic("Unable to reserve vt_efifb memory");
 	return (0);
Index: dev/vt/hw/vga/vt_vga.c
===================================================================
--- dev/vt/hw/vga/vt_vga.c	(revision 276343)
+++ dev/vt/hw/vga/vt_vga.c	(working copy)
@@ -1275,8 +1275,8 @@
 
 	res_id = 0;
 	pseudo_phys_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
-	    &res_id, VGA_MEM_BASE, VGA_MEM_BASE + VGA_MEM_SIZE,
-	    VGA_MEM_SIZE, RF_ACTIVE);
+	    &res_id, VGA_MEM_BASE, VGA_MEM_BASE + VGA_MEM_SIZE - 1,
+	    VGA_MEM_SIZE, 0);
 	if (pseudo_phys_res == NULL)
 		panic("Unable to reserve vt_vga memory");
 	return (0);