--- grub-0.97/util/grub-install.in.pix	2006-08-11 12:38:26.000000000 +0200
+++ grub-0.97/util/grub-install.in	2006-08-11 12:39:15.000000000 +0200
@@ -406,6 +406,14 @@
 grubdir=${bootdir}/grub
 device_map=${grubdir}/device.map
 
+if [ "$recheck" == "yes" ]; then
+    if grep 'mapper' ${device_map} >/dev/null; then
+	echo 'grub-install does not support reprobing of device.map when' 1>&2
+	echo 'using a device-mapper based boot device.' 1>&2
+	exit 1
+    fi
+fi
+
 # Check if GRUB is installed.
 # This is necessary, because the user can specify "grub --read-only".
 set $grub_shell dummy