Public bug reported:
If I do a fresh install on an efi system and use xfs for the root and
boot filesystems, the install will succeed and then on reboot grub will
drop to a grub shell and fail to boot. If I try to do an ls on any of
the xfs filesystems, grub reports unsupported filesystem. Doing an
insmod on xfs.mod doesn't work on the xfs filesystem since it can't be
read
/boot/efi is a fat32 esp partition and can be read by grub. I can make the
system boot by putting a copy of /boot/grub/x86_64-efi/xfs.mod in
/boot/efi/EFI/ubuntu/xfs.mod and then putting the following line in
/boot/efi/EFI/ubuntu/grub.cfg
insmod (hd0,gpt1)/EFI/ubuntu/xfs.mod
I'm guessing this would work if boot was ext2.
My current HDD setup is:
fdisk -l /dev/sda
Disk /dev/sda: 477 GiB, 512110190592 bytes, 1000215216 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 5F358931-DDAE-4F78-8647-B54434A5A3DC
Device Start End Sectors Size Type
/dev/sda1 2048 2000895 1998848 976M EFI System
/dev/sda2 2000896 4001791 2000896 977M Linux filesystem
/dev/sda3 4001792 804902911 800901120 381.9G Linux LVM
My current fstab is:
/dev/mapper/vgroot-lvroot / xfs defaults 0 0
# /boot was on /dev/sda2 during installation
UUID=006c4d31-8c29-4e25-b8c2-5f70f5f19afd /boot xfs defaults
0 0
# /boot/efi was on /dev/sda1 during installation
UUID=DFD4-FB95 /boot/efi vfat umask=0077 0 1
/dev/mapper/vgroot-lvhome /home xfs defaults 0 0
/dev/mapper/vgroot-lvswap none swap sw 0 0
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64 2.02~beta2-36ubuntu3.2
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
CurrentDesktop: MATE
Date: Tue Dec 27 12:42:40 2016
InstallationDate: Installed on 2016-12-27 (0 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1652822
Title:
grub efi xfs unsupported filesystem
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