Comment 6 for bug 524434

The available_ids() as a patch against grub-pc 1.98-1ubuntu6

$ diff -u /var/lib/dpkg/info/grub-pc.postinst .
--- /var/lib/dpkg/info/grub-pc.postinst 2010-04-29 04:24:48.000000000 -0400
+++ ./grub-pc.postinst 2010-05-05 15:43:27.491704375 -0400
@@ -19,16 +19,18 @@
 cached_available_ids=
 available_ids()
 {
- local id path
+ local id path diskby

   if [ "$cached_available_ids" ]; then
     echo "$cached_available_ids"
     return
   fi

- [ -d /dev/disk/by-id ] || return
+ for diskby in /dev/disk/by-id /dev/disk/by-uuid; do
+ [ -d "$diskby" ] && break
+ done
   cached_available_ids="$(
- for path in /dev/disk/by-id/*; do
+ for path in "$diskby"/* ; do
       [ -e "$path" ] || continue
       printf '%s %s\n' "$path" "$(readlink -f "$path")"
     done | sort -k2 -s -u | cut -d' ' -f1