Public bug reported:
On a UEFI machine, where the disk is MPT (msdos) formatted (with Windows 7
installed), ubuquity fails.
Also later installation via chroot fails:
root@ubuntu:/# grub-install
x86_64-efi will be installed on your plattform. (translated from German)
grub-install: Error: EFI-Directory cannot be found. (translated from German)
root@ubuntu:/# sudo parted --list
Modell: ATA CT240BX200SSD1 (scsi)
Festplatte /dev/sda: 240GB
Sektorgröße (logisch/physisch): 512B/4096B
Partitionstabelle: msdos
Disk-Flags:
Nummer Anfang Ende Größe Typ Dateisystem Flags
1 1049kB 525MB 524MB primary ntfs boot
2 525MB 108GB 107GB primary ntfs
3 108GB 119GB 10,7GB primary ext4
4 119GB 240GB 121GB extended
5 119GB 123GB 4293MB logical ext4
6 123GB 240GB 117GB logical ntfs
Modell: ST1000LM 024 HN-M101MBB (scsi)
Festplatte /dev/sdb: 1000GB
Sektorgröße (logisch/physisch): 512B/512B
Partitionstabelle: msdos
Disk-Flags:
Nummer Anfang Ende Größe Typ Dateisystem Flags
1 1049kB 43,0GB 42,9GB primary fat32 boot, LBA
4 43,0GB 126GB 82,7GB extended
3 126GB 770GB 644GB primary ntfs
2 952GB 1000GB 48,2GB primary ntfs
root@ubuntu:/# [ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
UEFI
root@ubuntu:/# dmidecode -t0 | grep -Ei "BIOS boot|UEFI"
BIOS boot specification is supported
Workaround via chroot:
sudo apt-get update
sudo apt-get --autoremove purge grub-efi*
sudo apt-get install grub-pc
# sudo grub-install /dev/sda
sudo update-grub
sudo apt-get dist-upgrade
** Affects: grub2-signed (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1801372
Title:
Make Ubuntu installable on UEFI machine with MPT formatted disk
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