/sbin/mkinitrd -f -v /boot/initrd-2.4.18-27.7.xdoesn't it require one more parameter? seems kernel version param is missing.
try bootin in the new kernel after removing initrd entry from grub.conf for the new kernel.title Red Hat Linux (2.4.18-27.7.x) root (hd0,0) kernel /vmlinuz-2.4.18-27.7.x ro root=/dev/hda3 initrd /initrd-2.4.18-27.7.x.img
regds, amey.
-- http://mm.ilug-bom.org.in/mailman/listinfo/linuxers

