I will close this one for now because after merging /boot and separate it again, now grub-install works and pc boots perfectly with separated /boot partition. I don't know what happend. Maybe a configuration problem, a partition problem.
Will reopen if happens again. Thanks! ** Changed in: grub2 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1068137 Title: grub2: Some modules may be missing from core image.. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1068137/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs