[bug #56897] Boot fails for ext4 filesystems with certain features enabled

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URL:
  <https://savannah.gnu.org/bugs/?56897>

                 Summary: Boot fails for ext4 filesystems with certain
features enabled
                 Project: GNU GRUB
            Submitted by: tommy0910
            Submitted on: Sun 15 Sep 2019 07:35:13 AM UTC
                Category: Booting
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: 2.02~beta1
         Reproducibility: Every Time
         Planned Release: None

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Details:

I observe that GRUB 2.04 fails to boot an ext4 filesystem which has one of the
following features enabled:

large_dir
metadata_csum_seed
casefold

My configuration is Arch linux, kernel 5.2, GRUB 2.04, ext2fsprogs 1.45.3

Steps to reproduce: install Arch from current 2019.08.01 release ISO; create
new ext4 filesystem; enable one of the ext4 fs features mentioned (use common
fs for both root and boot); configure grub to boot from this filesystem

Result:

error: unknown filesystem
Entering rescue mode...




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