[Bug 1912044] Re: invalid arch-independant ELF magic

[Sebastien Bacher]

** Tags added: rls-hh-incoming

** Changed in: usb-creator (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1912044

Title:
  invalid arch-independant ELF magic

Status in grub-installer package in Ubuntu:
  New
Status in usb-creator package in Ubuntu:
  Invalid

Bug description:
  Hello
  I decide to install the DAILY version of Hirsute Hippo using a "legacy only" computer.
  I choose to install on the whole disk. As a result:
  The msdos partition table is destroyed and replaced with a GPT partition table.
  A  32 MiB bios_grub partition is created,
  A 512 MiB EFI partition is created
  And another partition with the rest of the available disk space is created.

  But the boot is impossible with this error message
  ERROR: Invalid arch-independent ELF magic
  Entering rescue mode ...

  In this mode, typing the characters "help" "boot" "vmlinux" etc ... gives the response 'unknown command "
  Only the set command responds correctly and shows that the variables are correctly positioned..
  ( boot=(hd0,gpt3)/boot/grub )

  The workaround found to boot the shaggy version is as follows

  1) Boot from another disk and use another ubuntu, make it discover all the O.S. present. (sudo update-grub) then reboot and choose version 21.04 from the list.
  that works properly.

  But this solution does not suit me. But it shows that the problem is
  probably with the contents of the bios_grub partition which I cannot
  read.

  Please quickly improve the grub.

  See also this french discussion : https://forum.ubuntu-
  fr.org/viewtopic.php?id=2060928

  Have a nice week end

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