[Bug 1897462] [NEW] GRUB2 freezes after removing at_keyboard

[Klaus Bielke]

Public bug reported:

Try these commands on GRUB command line:

insmod at_keyboard
terminal_input at_keyboard console
terminal_input console

Now GRUB doesn't accept any keypress.

Or chainload to another GRUB with at_keyboard active on terminal_input.
New GRUB cannot controlled by keyboard, but starts default menuentry
after timeout.

Module at_keyboard is important for localisation, e.g. using a german
keyboard layout.

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

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https://bugs.launchpad.net/bugs/1897462

Title:
  GRUB2 freezes after removing at_keyboard

Status in grub2 package in Ubuntu:
  New

Bug description:
  Try these commands on GRUB command line:

  insmod at_keyboard
  terminal_input at_keyboard console
  terminal_input console

  Now GRUB doesn't accept any keypress.

  Or chainload to another GRUB with at_keyboard active on
  terminal_input. New GRUB cannot controlled by keyboard, but starts
  default menuentry after timeout.

  Module at_keyboard is important for localisation, e.g. using a german
  keyboard layout.

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