[Bug 2112231] [NEW] grub refuse to upgrade unknown filesystem type 'linux_raid_member'

[ghislain]

Public bug reported:

Setting up grub-efi-amd64-signed (1.202.5+2.12-1ubuntu7.3) ...
mount: /var/lib/grub/esp: unknown filesystem type 'linux_raid_member'.
       dmesg(1) may have more information after failed mount system call.
dpkg: error processing package grub-efi-amd64-signed (--configure):
 installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32


hi,

  the package was allways ok but seems there is an incompatible change
now, on my systems the /efi partition is installed as mdadm raid:

/dev/md/ESP:
           Version : 1.0
     Creation Time : Sun Mar 16 18:23:15 2025
        Raid Level : raid1
        Array Size : 273344 (266.94 MiB 279.90 MB)
     Used Dev Size : 273344 (266.94 MiB 279.90 MB)
      Raid Devices : 4
     Total Devices : 4
       Persistence : Superblock is persistent

     Intent Bitmap : Internal

[~]: grep efi /proc/mounts 
efivarfs /sys/firmware/efi/efivars efivarfs rw,nosuid,nodev,noexec,relatime 0 0
/dev/md125 /efi vfat rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0


 this works very well to use mdadm with EFI that is incapable of
understanding raid systems.

  It seems ubuntu now refuse to simply update the files of the package
and require that the partitions are plain partition and that grub is now
in charge of updating the file on all partition i guess.

  i dont see any reason for that incompatible change.

best regards,
Ghislain.

** Affects: grub2-signed (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2112231

Title:
  grub refuse to upgrade  unknown filesystem type 'linux_raid_member'

Status in grub2-signed package in Ubuntu:
  New

Bug description:
  Setting up grub-efi-amd64-signed (1.202.5+2.12-1ubuntu7.3) ...
  mount: /var/lib/grub/esp: unknown filesystem type 'linux_raid_member'.
         dmesg(1) may have more information after failed mount system call.
  dpkg: error processing package grub-efi-amd64-signed (--configure):
   installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32

  
  hi,

    the package was allways ok but seems there is an incompatible change
  now, on my systems the /efi partition is installed as mdadm raid:

  /dev/md/ESP:
             Version : 1.0
       Creation Time : Sun Mar 16 18:23:15 2025
          Raid Level : raid1
          Array Size : 273344 (266.94 MiB 279.90 MB)
       Used Dev Size : 273344 (266.94 MiB 279.90 MB)
        Raid Devices : 4
       Total Devices : 4
         Persistence : Superblock is persistent

       Intent Bitmap : Internal

  [~]: grep efi /proc/mounts 
  efivarfs /sys/firmware/efi/efivars efivarfs rw,nosuid,nodev,noexec,relatime 0 0
  /dev/md125 /efi vfat rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0


   this works very well to use mdadm with EFI that is incapable of
  understanding raid systems.

    It seems ubuntu now refuse to simply update the files of the package
  and require that the partitions are plain partition and that grub is
  now in charge of updating the file on all partition i guess.

    i dont see any reason for that incompatible change.

  best regards,
  Ghislain.

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