diff -Nur hal-0.5.7.1/build-tree/hal-0.5.7.1/hald/linux2/blockdev.c hal-0.5.7.1.new/build-tree/hal-0.5.7.1/hald/linux2/blockdev.c
--- hal-0.5.7.1/hald/linux2/blockdev.c	2006-10-04 20:00:09.000000000 +0200
+++ hal-0.5.7.1/hald/linux2/blockdev.c	2006-10-04 20:16:52.000000000 +0200
@@ -205,10 +205,11 @@
 	while ((mnte = getmntent_r (f, &mnt, buf, sizeof(buf))) != NULL) {
 		struct stat statbuf;
 
-		/* check the underlying device of the mount point */
-		if (stat (mnt.mnt_dir, &statbuf) != 0)
+		/* get major:minor of special device file */
+		if (stat (mnt.mnt_fsname, &statbuf) != 0)
 			continue;
-		if (major(statbuf.st_dev) == 0)
+
+		if (major (statbuf.st_rdev) == 0)
 			continue;
 
 		HAL_INFO (("* found mounts dev %s (%i:%i)", mnt.mnt_fsname, major(statbuf.st_dev), minor(statbuf.st_dev)));
@@ -224,7 +225,7 @@
 			devt = makedev(major, minor);
 			HAL_INFO (("  match %s (%i:%i)", hal_device_get_udi (dev), major, minor));
 
-			if (statbuf.st_dev == devt) {
+			if (statbuf.st_rdev == devt) {
 				/* found entry for this device in /proc/mounts */
 				device_property_atomic_update_begin ();
 				hal_device_property_set_bool (dev, "volume.is_mounted", TRUE);