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Subject: bug#68384: TTY Auto-login is not compatible with elogind
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From: Lars Rustand <rustand.lars@HIDDEN>
Date: Thu, 11 Jan 2024 13:46:32 +0100
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Enabling both TTY auto-login and elogind-service-type at the same time
results in an error immediately after automatic login to the tty with
the message "Error in service module", and the TTY then is
frozen. Auto-login works fine if I disable elogind, but elogind is
unfortunately a crucial part of the Guix system since a lot of things
does not work without it.

Below is attached a minimal example, simply commenting out the elogind
service in this example makes it works as expected. Running it as is
will result in the error I mentioned.


(use-modules
  (gnu)
  (gnu services)
  (gnu services base)
  (gnu services desktop)
  (gnu bootloader)
  (gnu bootloader grub)
  (gnu system)
  (gnu system file-systems)
  (gnu system accounts)
  (gnu system locale))

(operating-system
  (host-name "minimal")

  (users
    (cons*
      (user-account
        (name "lars")
        (group "users"))
      %base-user-accounts))

  (services
   (cons*
    (service elogind-service-type)
    (modify-services %base-services
      (mingetty-service-type config =>
                             (mingetty-configuration
                              (inherit config)
                              (auto-login "lars"))))))

   (bootloader
     (bootloader-configuration
       (bootloader grub-efi-bootloader)
       (targets '("/boot/efi"))))

   (file-systems
    (cons*
     %base-file-systems)))

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Lars Rustand <rustand.lars@HIDDEN>
Subject: bug#68384: Acknowledgement (TTY Auto-login is not compatible with
 elogind)
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Date: Thu, 11 Jan 2024 13:02:02 +0000

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Subject: bug#68384: TTY Auto-login is not compatible with elogind
References: <87le8wc9ih.fsf@HIDDEN>
In-Reply-To: <87le8wc9ih.fsf@HIDDEN>
Resent-From: Christian Miller <christian.miller@HIDDEN>
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To: 68384 <at> debbugs.gnu.org
Date: Sun, 14 Jan 2024 17:00:29 +0100
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From: Christian Miller <christian.miller@HIDDEN>
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Hello,

I have the same issue.

Using the following works for me, though you need to press a button on
the keyboard.

(modify-services %desktop-services
  (delete gdm-service-type)
  (mingetty-service-type config =>
    (mingetty-configuration
      (inherit config)
      (auto-login "cm")
      ;; TODO: Work around to fix "Error in service module"
      (login-pause? #t))))

I also created a thread in the guix-devel[0] mailing list, maybe I should
have not.

[0]: https://lists.gnu.org/archive/html/guix-devel/2024-01/msg00120.html

-- 
Christian Miller

Last modified: Sat, 20 Jan 2024 12:30:02 UTC

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