On Sun, 31 Mar 2024 14:03:44 +0900 Jing Luo via Dragora-users <[email protected]> wrote:
> Hi all, > > TL;DR: Dragora 3.0 beta 2 ships with GRUB 2.06 that fails to recognize > ext4 root partition, it should be upgraded to 2.12. > > I tried to install Dragora on a qemu VM. I used the whole disk for the > root partition, with MBR and bootable flag. Then I formatted the root > partition as ext4 like I always do. Then grub-install failed. Correct, this is a bug in GNU Grub, and it should be upgraded to the latest version... From https://notabug.org/dragora/dragora/issues/80 " [..] The solution is to either create a seperate (300M - 1G) filesystem for /boot and format it as ext3, or use ext3 for your root filesystem. [..] " > grub-install: error: unknown filesystem > > I believe this is the exact bug reported here [1]. > > [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=866603 > > If I follow the workaround in [2] to disable an ext4 feature > "metadata_csum_seed", yes, grub-install would succeed, but only grub > could only be installed on MBR, not superblock: > > # (after bind mount and chroot) > # grub-install --taget=i386-pc --boot-directory=/boot > --directory=/usr/lib/grub/i386-pc /dev/sda1 > grub-install: warning: File system ext2 doesn't support embedding. > grub-install: warning: Embedding is not possible. GRUB can only be > installed in this setup by using blocklists. However, blocklists are > UNRELIABLE and their use is discouraged.. > grub-install: error: will not proceed with blocklists. > > After installing grub to MBR, unfortunately after reboot, there was a > "kernel panic - not syncing: VFS: unable to mount root fs on > unknown-block(0,0)". If I re-enable "metadata_csum_seed", then grub > couldn't boot (unknown filesystem). > > [2] > https://www.linuxquestions.org/questions/slackware-14/grub-related-issue-with-alienbob%27s-current-64-bit-isos-clean-fresh-install-4175722697/#post6417052 > > This is so unfortunate I ended up with a broken install :( But there > seems to be a patch [3] that can solve this. Or better: upgrade GRUB to > 2.12 where the patch was merged. > > [3] > https://git.savannah.gnu.org/cgit/grub.git/patch/?id=7fd5feff97c4b1f446f8fcf6d37aca0c64e7c763 > > -- > Jing Luo > About me: https://jing.rocks/about/ > PGP Fingerprint: 4E09 8D19 00AA 3F72 1899 2614 09B3 316E 13A1 1EFC -- Matías Fonzo <[email protected]>
