Вот все пакеты lilo которые я смог найти у себя

Удаляешь их и пересобираешь lilo, как обычный пакет. Затем редактируешь /etc/lilo.conf и говоришь lilo в консоль. Получается
полная переустановка lilo
/etc/lilo.conf.example
/etc/conf.d/dolilo.example
/etc/lilo.conf
/var/db/pkg/sys-boot/lilo-22.7
/var/db/pkg/sys-boot/lilo-22.7/CC
/var/db/pkg/sys-boot/lilo-22.7/PF
/var/db/pkg/sys-boot/lilo-22.7/CXX
/var/db/pkg/sys-boot/lilo-22.7/USE
/var/db/pkg/sys-boot/lilo-22.7/EAPI
/var/db/pkg/sys-boot/lilo-22.7/IUSE
/var/db/pkg/sys-boot/lilo-22.7/SLOT
/var/db/pkg/sys-boot/lilo-22.7/CONTENTS
/var/db/pkg/sys-boot/lilo-22.7/LDFLAGS
/var/db/pkg/sys-boot/lilo-22.7/CATEGORY
/var/db/pkg/sys-boot/lilo-22.7/CHOST
/var/db/pkg/sys-boot/lilo-22.7/EXTRA_ECONF
/var/db/pkg/sys-boot/lilo-22.7/NEEDED
/var/db/pkg/sys-boot/lilo-22.7/LICENSE
/var/db/pkg/sys-boot/lilo-22.7/LIBCFLAGS
/var/db/pkg/sys-boot/lilo-22.7/PKGUSE
/var/db/pkg/sys-boot/lilo-22.7/FEATURES
/var/db/pkg/sys-boot/lilo-22.7/LIBCXXFLAGS
/var/db/pkg/sys-boot/lilo-22.7/INHERITED
/var/db/pkg/sys-boot/lilo-22.7/CXXFLAGS
/var/db/pkg/sys-boot/lilo-22.7/EXTRA_MAKE
/var/db/pkg/sys-boot/lilo-22.7/environment.bz2
/var/db/pkg/sys-boot/lilo-22.7/EXTRA_EINSTALL
/var/db/pkg/sys-boot/lilo-22.7/PDEPEND
/var/db/pkg/sys-boot/lilo-22.7/ASFLAGS
/var/db/pkg/sys-boot/lilo-22.7/RESTRICT
/var/db/pkg/sys-boot/lilo-22.7/lilo-22.7.ebuild
/var/db/pkg/sys-boot/lilo-22.7/PROVIDE
/var/db/pkg/sys-boot/lilo-22.7/COUNTER
/var/db/pkg/sys-boot/lilo-22.7/RDEPEND
/var/db/pkg/sys-boot/lilo-22.7/CTARGET
/var/db/pkg/sys-boot/lilo-22.7/CBUILD
/var/db/pkg/sys-boot/lilo-22.7/CFLAGS
/var/db/pkg/sys-boot/lilo-22.7/DEPEND
/var/cache/edb/dep/usr/portage/sys-boot/lilo-22.7
/var/cache/edb/dep/usr/portage/sys-boot/lilo-22.7.1
/usr/sbin/keytab-lilo.pl
/usr/local/share/man/man5/lilo.conf.5
/usr/local/share/man/man8/lilo.8
/usr/share/doc/lilo-22.7
/usr/share/doc/lilo-22.7/README.gz
/usr/share/doc/lilo-22.7/README.bitmaps.gz
/usr/share/doc/lilo-22.7/README.disk.gz
/usr/share/doc/lilo-22.7/samples
/usr/share/doc/lilo-22.7/samples/lilo.sample.conf.gz
/usr/share/doc/lilo-22.7/samples/README.gz
/usr/share/doc/lilo-22.7/samples/lilo.raid.conf.gz
/usr/share/doc/lilo-22.7/samples/logo64a.bmp.gz
/usr/share/doc/lilo-22.7/samples/logo64a.dat.gz
/usr/share/doc/lilo-22.7/samples/ins64a.bmp.gz
/usr/share/doc/lilo-22.7/samples/ins64a.dat.gz
/usr/share/doc/lilo-22.7/samples/blue.bmp.gz
/usr/share/doc/lilo-22.7/samples/blue.dat.gz
/usr/share/doc/lilo-22.7/README.pseudo.gz
/usr/share/doc/lilo-22.7/INCOMPAT.gz
/usr/share/doc/lilo-22.7/COPYING.gz
/usr/share/doc/lilo-22.7/README.volumeID.gz
/usr/share/doc/lilo-22.7/README.common.problems.gz
/usr/share/doc/lilo-22.7/CHANGES.gz
/usr/share/doc/lilo-22.7/README.raid1.gz
/usr/share/man/man5/lilo.conf.5.gz
/usr/share/man/man8/lilo.8.gz
/sbin/lilo
/sbin/dolilo