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-b...@lists.debian.org, gr...@packages.debian.org > > (Please keep debian-b...@lists.debian.org and gr...@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