[Bug 1868664] Re: grub 2.04 can't read f2fs volume

[Blastoff]

A workaround is to move the f2fs.mod to the EFI partition, then add something along the lines of
insmod (hd0,gpt1)/EFI/ubuntu/f2fs.mod
to the top of your grub.cfg

Will probably need to reapply the workaround each time the grub package
gets updated.

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https://bugs.launchpad.net/bugs/1868664

Title:
  grub 2.04 can't read f2fs volume

Status in grub2 package in Ubuntu:
  New
Status in grub2 package in Debian:
  Fix Committed

Bug description:
  Focal includes grub 2.04 which brings support for f2fs.
  I created a new Focal install with an f2fs volume as root, however grub is unable to read the volume at all and so cannot get the volume's UUID or read from the grub folder.

  The volume is visible and automounted under media when I boot from the
  Focal USB installer image. All files show up and the drive behaves
  fine in the USB installer environment.

  At the grub command prompt, (hd0,gpt3) is the f2fs partition.
  grub> ls (hd0,gpt3)
          Partition hd0,gpt3: No known filesystem detected - Partition start at 103424KiB - Total size 56114176KiB

  
  $ lsb_release -rd
  Description: Ubuntu Focal Fossa (development branch)
  Release: 20.04

  $ apt-cache policy grub2
  grub2:
    Installed: 2.04-1ubuntu22
    Candidate: 2.04-1ubuntu22
    Version table:
  *** 2.04-1ubuntu22 500
         500 http://archive.ubuntu.com focal/universe amd64 Packages
         100 /var/lib/dpkg/status

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