Debian also had this problem and resolved it by not converting /dev/mapper:
http://packages.debian.org/changelogs/pool/main/g/grub/grub_0.97-13/changelog.html#versionversion0.97-4
Debian also had this problem and resolved it by not converting /dev/mapper:
http:// packages. debian. org/changelogs/ pool/main/ g/grub/ grub_0. 97-13/changelog .html#versionve rsion0. 97-4