Public bug reported:
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
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: f2fs focal grub grub2
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https://bugs.launchpad.net/bugs/1868664
Title:
grub 2.04 can't read f2fs volume
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