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[Bug 2111126] Re: TTY1 login prompt becomes unresponsive after arrow key and backspace input

 

I have not tested, but I think this is actually util-linux[1], and may
be fixed upstream by[2].

[1] https://bugzilla.redhat.com/show_bug.cgi?id=2174714
[2] http://github.com/util-linux/util-linux/commit/7b90601fc1925c7be155e7e9317ef412ae4e7edb

** Bug watch added: Red Hat Bugzilla #2174714
   https://bugzilla.redhat.com/show_bug.cgi?id=2174714

** Package changed: systemd (Ubuntu) => util-linux (Ubuntu)

** Changed in: util-linux (Ubuntu)
   Importance: Undecided => Low

** Also affects: util-linux (Ubuntu Plucky)
   Importance: Undecided
       Status: New

** Also affects: util-linux (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: util-linux (Ubuntu Oracular)
   Importance: Undecided
       Status: New

** Changed in: util-linux (Ubuntu Noble)
   Importance: Undecided => Low

** Changed in: util-linux (Ubuntu Oracular)
   Importance: Undecided => Low

** Changed in: util-linux (Ubuntu Plucky)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/2111126

Title:
  TTY1 login prompt becomes unresponsive after arrow key and backspace
  input

Status in util-linux package in Ubuntu:
  New
Status in util-linux source package in Noble:
  New
Status in util-linux source package in Oracular:
  New
Status in util-linux source package in Plucky:
  New

Bug description:
  On Ubuntu Server 24.04.2 LTS, using the arrow key and backspace at the
  `tty1` login prompt breaks the prompt, preventing login.

  ## Steps to reproduce:
  1. Boot into Ubuntu Server (no GUI).
  2. Wait for the `tty1` login prompt.
  3. Press an arrow key (← or →).
  4. Press backspace to delete part of the line.
  5. Attempt to type a username and press Enter.

  ## Result:
  - The login prompt no longer accepts input or proceeds.
  - You cannot log in until the system is restarted.

  ## Expected behavior:
  - Arrow key and backspace input should be handled cleanly.
  - Login should still be possible.

  ## Notes:
  - This bug occurs on the text-based terminal (`tty1`) launched by `getty@tty1.service`, managed by systemd.
  - Kernel version: 6.8.0-60-generic
  - Affected version: Ubuntu Server 24.04.2 LTS

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References