Index: lib/device/device.c
===================================================================
--- lib/device/device.c.orig	2009-08-02 01:14:52.000000000 +0800
+++ lib/device/device.c	2010-02-04 14:02:42.000000000 +0800
@@ -38,7 +38,7 @@
 	uint8_t end_cyl;
 	uint32_t start_sect;
 	uint32_t nr_sects;
-} __attribute__((packed));
+} __attribute__((packed,may_alias));
 
 static int _is_partitionable(struct device *dev)
 {