Bug#1030846: e2fsprogs: generates filesystems that grub-install doesn't recognize

[Sven Joachim]

On 2023-02-08 11:39 +0100, Cyril Brulebois wrote:

> Package: e2fsprogs
> Version: 1.47.0-1
> Severity: grave
> Justification: renders package unusable
> X-Debbugs-Cc: debian-boot at lists.debian.org, grub2 at packages.debian.org
>
> (Please keep debian-boot at lists.debian.org and grub2 at packages.debian.org
> in the loop.)
>
> Hi,
>
> Spotted via debian-installer tests: grub-install fails with “unknown
> filesystem” when trying to run a simple `grub-install /dev/sda` with
> an all-default installation.
>
> While there might be something wrong about e2fsprogs-udeb specifically,
> possibly only affecting the installer context, I'm not sure what that
> means for existing systems, hence the severity.
>
> The “e2fsprogs gets a new upstream release and new flags” hypothesis was
> confirmed by building d-i with e2fsprogs-udeb_1.46.6-1_amd64.udeb
> rebranded as 1.48, which made the problem disappear.

It is the metadata_csum_seed feature that is now enabled by default
which grub-install does not grok.  This has been reported "recently"[1].

Cheers,
       Sven


1. https://bugs.debian.org/866603