removed quiet and splash options in /boot/grub/menu.lst now i'm getting following alert before the shell appears:
Alert! /dev/hdb1 does not exist. Dropping to a shell! (hdb1 is the correct drive) -- unable to boot on ext2 partition https://launchpad.net/bugs/74287 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs