** Description changed: HP G6 laptop with Windows 8 installed, and looking to have a dual-boot with Ubuntu 12.10 With SecureBoot enabled: http://paste.ubuntu.com/1421098 And with SecureBoot disabled: http://paste.ubuntu.com/1421155 grub-efi fails writing on the original ESP: # grub-install --efi-directory=/boot/efi --target=x86_64-efi mkdir: cannot create directory `/boot/efi/EFI/ubuntu': Input/output error Remark: this is similar but not duplicate of Bug #1091477 - **************** WORKAROUND: + + **************** WORKAROUND1 (works): + 1) Via Gparted create another EFI partition (FAT32, 200MB, located in the first 100GB of the disk), move the 'boot' flag on it + 2) Install grub-efi in this new ESP (eg https://help.ubuntu.com/community/UEFI#Converting_Ubuntu_into_EFI_mode ). + + **************** WORKAROUND2 (to be tested): 1) Backup the files in the ESP 2) Format the ESP - 3) Restore the files - 4) Try to install again - - Example: http://paste.ubuntu.com/1442264 + 3) Recreate the ESP (FAT32, same size) via Gparted, place the 'boot' flag on it + 4) Restore the backups into this new ESP + 5) Install grub-efi in this new ESP.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1090829 Title: grub-efi fails to install with Input/output error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dosfstools/+bug/1090829/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
