Ubuntu
grub2 package

grub-efi fails (cannot create directory `/boot/efi/EFI/ubuntu')

Bug #1046572 reported by YannUbuntu on 2012-09-05

This bug report is a duplicate of: Bug #1090829: grub-efi fails to install with Input/output error. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	grub2 (Ubuntu)	Expired	Undecided	Unassigned

Bug Description

GRUB version 1.99-21ubuntu3.1

On a EFI system, with /boot/efi correctly mounted, grub-install fails and return the following error:
mkdir: cannot create directory `/boot/efi/EFI/ubuntu': Input/output error

Exit code: 1

Boot-Repair log: http://paste.ubuntu.com/1181544

Revision history for this message

Phillip Susi (psusi) wrote on 2012-09-18:

An I/O error indicates something is wrong with the filesystem or disk. Please check dmesg or /var/log/kern.log after getting this error for additional details.

Changed in grub2 (Ubuntu):
status:	New → Incomplete

Revision history for this message

Launchpad Janitor (janitor) wrote on 2012-11-18:

[Expired for grub2 (Ubuntu) because there has been no activity for 60 days.]

Changed in grub2 (Ubuntu):
status:	Incomplete → Expired

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2012-12-16:

I found several similar cases: Bug #1090829
I strongly suspect Microsoft / the PC maker to lock writing on the ESP. Creating another EFI partition allows to workaround the issue.