bug#55488: GDM, GNOME: Can't start desktop session after upgrade

[Luis Felipe]

Hi Ludo,

On Wednesday, May 18th, 2022 at 8:44 AM, Ludovic Courtès <ludo@gnu.org> wrote:

> This is a config that uses Xorg, not Wayland, right?

Right.

> > In the real machine, only a black screen appears. After hours, there is no 
> > change. There is no mouse pointer or any indication that the desktop has 
> > loaded.
> > 

> > In the virtual machine, you see a black screen and the mouse pointer 
> > appearing sometimes and then disappearing. After a minute, you are taken 
> > back to the log in screen, which now behaves erratically: when you click on 
> > your user to log in again, it shows the username input box, and, once you 
> > move the pointer to enter your username, the view is changed back to the 
> > list of users. The same happens everytime you try to log in again.
> 

> 

> What does ‘sudo herd status’ show at that point?

~~~
Iniciado (Started):
 + avahi-daemon
 + console-font-tty1
 + console-font-tty2
 + console-font-tty3
 + console-font-tty4
 + console-font-tty5
 + console-font-tty6
 + dbus-system
 + elogind
 + file-system-/boot/efi
 + file-system-/dev/pts
 + file-system-/dev/shm
 + file-system-/gnu/store
 + file-system-/run/systemd
 + file-system-/run/user
 + file-system-/sys/firmware/efi/efivars
 + file-system-/sys/fs/cgroup
 + file-system-/sys/fs/cgroup/blkio
 + file-system-/sys/fs/cgroup/cpu
 + file-system-/sys/fs/cgroup/cpuacct
 + file-system-/sys/fs/cgroup/cpuset
 + file-system-/sys/fs/cgroup/devices
 + file-system-/sys/fs/cgroup/elogind
 + file-system-/sys/fs/cgroup/freezer
 + file-system-/sys/fs/cgroup/memory
 + file-system-/sys/fs/cgroup/perf_event
 + file-system-/sys/fs/cgroup/pids
 + file-system-/sys/kernel/debug
 + file-system-/var/cache/fontconfig
 + file-systems
 + guix-daemon
 + loopback
 + mcron
 + networking
 + nscd
 + ntpd
 + root
 + root-file-system
 + swap-/dev/sda2
 + syslogd
 + term-tty1
 + term-tty2
 + term-tty3
 + term-tty4
 + term-tty5
 + term-tty6
 + udev
 + upower-daemon
 + urandom-seed
 + user-file-systems
 + user-processes
 + virtual-terminal
 + wpa-supplicant
 + xorg-server
Detenido (Stopped):
 - term-console
Ejecución única (one-shot):
 * host-name
 * sysctl
 * user-homes
~~~


> I wonder if it might be https://issues.guix.gnu.org/55488.

Did you mean another bug number? 55488 is the one I reported :)


> If not, could you provide a minimal config that reproduces the problem?

Here's one:

~~~
(use-modules (gnu)
             (gnu packages dns))
(use-service-modules admin desktop networking ssh xorg)


;;; CONSTANTS
;;; =========

(define DESKTOP_USER_GROUPS
  (list "wheel"
        "netdev"
        "audio"
        "video"
        "cdrom"
        "kvm"))



;;; SYSTEM CONFIGURATION
;;; ====================

(operating-system
  (locale "es_CO.utf8")
  (timezone "America/Bogota")
  (keyboard-layout
   (keyboard-layout "latam" #:model "pc104" #:options '("ctrl:nocaps")))
  (kernel-arguments (list "quiet" "pci=noaer"))
  (bootloader
    (bootloader-configuration
      (bootloader grub-efi-bootloader)
      (targets (list "/boot/efi"))
      (keyboard-layout keyboard-layout)))
  (swap-devices
   (list (swap-space
          (target "/dev/sda2"))))
  (file-systems
    (cons* (file-system
             (mount-point "/")
             (device
               (uuid "3f651226-f53e-4944-8bf8-a0b8c28cfac5"
                     'ext4))
             (type "ext4"))
           (file-system
             (mount-point "/boot/efi")
             (device (uuid "A0CA-050E" 'fat32))
             (type "vfat"))
           %base-file-systems))
  (host-name "gnu")
  (users
   (cons*
    (user-account
     (name "someone")
     (comment "some person")
     (group "users")
     (home-directory "/home/someone")
     (supplementary-groups DESKTOP_USER_GROUPS)
     (password (crypt "InitialPassword!" "$6$abc")))
    %base-user-accounts))
  (packages
   (cons*
    ;; Locales (all locales).
    (specification->package "glibc-locales")
    ;; For HTTPS access.
    (specification->package "nss-certs")
    %base-packages))
  (services
   (cons*
    (service gnome-desktop-service-type)
    (set-xorg-configuration
     (xorg-configuration
      (keyboard-layout keyboard-layout)))
    %desktop-services)))
~~~

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