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    A New Chapter for MagicMirror: The Community Takes the Lead
    Read the statement by Michael Teeuw here.

    Version 2.34.0 - Missing X Server or $DISPLAY (Docker version of MMOS)

    Scheduled Pinned Locked Moved Solved Troubleshooting
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    • karsten13K Online
      karsten13 @sdetweil
      last edited by

      other questions (not clear from description):

      Are you using mmos or are you using Raspberry Pi OS or another OS?

      If not mmos, how did you the install? With the install script inside the repo?

      Can you provide output of docker compose config?

      1 Reply Last reply Reply Quote 0
      • M Offline
        Mathes75
        last edited by

        Thanks a lot for having a look at my issue!

        As mentioned in the first post, I downloaded the most recent Docker image of MagicMirrorOS. - no desktop, lite version. Wrote the image with Balena Etcher and let the Rpi do it’s magic after booting until “factory” MagicMirror was shown. SSHed into the Rpi and ran sudo raspi-config to adjust locales and WiFi.
        I installed the desired Modules, modified the config.js - and now the Mirror works only at every third or fourth boot. (Sometimes real power cycle, sometimes sudo shutdown -r now - sometimes first works, sometimes second)

        Currently it’sworking, only one Module has issues. Both containers recreated and restarted, output of docker logs labwc

        00:00:00.000 [INFO] [seatd/seat.c:48] Created VT-bound seat seat0
00:00:00.000 [INFO] [seatd/seatd.c:194] seatd started
failed to connect to display
00:00:01.036 [INFO] [seatd/server.c:145] New client connected (pid: 1, uid: 1000, gid: 1000)
00:00:01.036 [INFO] [seatd/seat.c:239] Added client 1 to seat0
00:00:01.037 [INFO] [seatd/seat.c:563] Opened client 1 on seat0
failed to connect to display
failed to connect to display
failed to connect to display
failed to connect to display
failed to connect to display
failed to connect to display
HDMI-A-1 "Lenovo Group Limited T2224pD V902B58B (HDMI-A-1)"
  Make: Lenovo Group Limited
  Model: T2224pD
  Serial: V902B58B
  Physical size: 480x270 mm
  Enabled: yes
  Modes:
    1920x1080 px, 60.000000 Hz (preferred, current)
    1920x1080 px, 60.000000 Hz
    1920x1080 px, 59.939999 Hz
    1920x1080 px, 50.000000 Hz
    1680x1050 px, 59.882999 Hz
    1600x900 px, 75.000000 Hz
    1600x900 px, 60.000000 Hz
    1280x1024 px, 75.025002 Hz
    1280x1024 px, 70.000999 Hz
    1280x1024 px, 60.020000 Hz
    1440x900 px, 59.901001 Hz
    1366x768 px, 59.790001 Hz
    1152x864 px, 75.000000 Hz
    1280x720 px, 60.000000 Hz
    1280x720 px, 59.939999 Hz
    1280x720 px, 50.000000 Hz
    1024x768 px, 75.028999 Hz
    1024x768 px, 70.069000 Hz
    1024x768 px, 60.004002 Hz
    832x624 px, 74.551003 Hz
    800x600 px, 75.000000 Hz
    800x600 px, 72.188004 Hz
    800x600 px, 60.317001 Hz
    800x600 px, 56.250000 Hz
    720x576 px, 50.000000 Hz
    720x576 px, 50.000000 Hz
    720x480 px, 60.000000 Hz
    720x480 px, 60.000000 Hz
    720x480 px, 59.939999 Hz
    720x480 px, 59.939999 Hz
    640x480 px, 75.000000 Hz
    640x480 px, 72.808998 Hz
    640x480 px, 60.000000 Hz
    640x480 px, 59.939999 Hz
    640x480 px, 59.939999 Hz
    720x400 px, 70.082001 Hz
  Position: 0,0
  Transform: normal
  Scale: 1.000000
  Adaptive Sync: disabled

        Output of docker compose config

        name: magicmirror
services:
  labwc:
    container_name: labwc
    environment:
      LAB_WC_HIDE_CURSOR: "true"
      RANDR_PARAMS: ""
      RANDR_POLL: 1m
      XDG_RUNTIME_DIR: /run/user/1000
    image: karsten13/labwc:latest
    networks:
      default: null
    privileged: true
    restart: always
    volumes:
      - type: bind
        source: /run/user/1000
        target: /run/user/1000
        bind: {}
      - type: bind
        source: /run/udev
        target: /run/udev
        bind: {}
  magicmirror:
    container_name: mm
    environment:
      DBUS_SESSION_BUS_ADDRESS: unix:path=/run/user/1000/bus
      DBUS_SYSTEM_BUS_ADDRESS: unix:path=/run/user/1000/bus
      DISPLAY: unix:0.0
      ELECTRON_ENABLE_GPU: "0"
      MM_CUSTOMCSS_FILE: css/custom.css
      MM_MODULES_DIR: modules
      MM_OVERRIDE_DEFAULT_MODULES: "true"
      MM_SCENARIO: electron
      MM_SHOW_CURSOR: "false"
      WAYLAND_DISPLAY: wayland-0
      XDG_RUNTIME_DIR: /run/user/1000
    image: karsten13/magicmirror:latest
    network_mode: host
    privileged: true
    restart: always
    shm_size: "268435456"
    volumes:
      - type: bind
        source: /tmp/.X11-unix
        target: /tmp/.X11-unix
        bind: {}
      - type: bind
        source: /home/pi/.Xauthority
        target: /home/node/.Xauthority
        bind: {}
      - type: bind
        source: /run/user/1000
        target: /run/user/1000
        bind: {}
      - type: bind
        source: /opt/mm/mounts/config
        target: /opt/magic_mirror/config
        bind: {}
      - type: bind
        source: /opt/mm/mounts/modules
        target: /opt/magic_mirror/modules
        bind: {}
      - type: bind
        source: /opt/mm/mounts/css/custom.css
        target: /opt/magic_mirror/css/custom.css
        bind: {}
    post_start:
      - command:
          - /bin/sh
          - -c
          - |
            [ "init" = "init" ] || exit 0
            chown -R 1000:1000 config modules css/custom.css
            chmod -R 777 config modules css/custom.css
        user: root
        environment:
          MM_CHMOD: null
          MM_GID: null
          MM_INIT: null
          MM_UID: null
networks:
  default:
    name: magicmirror_default

        Have a nice weekend!

        karsten13K 1 Reply Last reply Reply Quote 0
        • karsten13K Online
          karsten13 @Mathes75
          last edited by

          @Mathes75

          not sure I really fixed it but you can try

          cd /opt/mm
git pull
./install/install.sh electron

          Let me know if there are still problems after reboot or not.

          M 1 Reply Last reply Reply Quote 0
          • M Offline
            Mathes75 @karsten13
            last edited by

            Thanks @karsten13!

            git pull needed a commit to work. Done. Installing Electron revealed no change to apply.

            At least I seem to be one step further: Recreating the images as mentioned in a post above repeatedly resolved the "missing X Server"message each time and started MagicMirror…

            As I am quite done with all changes and adaptions, I am fine to keep the workaround with recreating the image(s), once the mirror needs a restart.

            karsten13K 1 Reply Last reply Reply Quote 0
            • karsten13K Online
              karsten13 @Mathes75
              last edited by

              @Mathes75

              Let me know if you get another black screen without mm start after reboot (I want to know if it is fixed or not …)

              Can you please show me again the output of docker compose config (so I can check if you have the latest changes)?

              M 1 Reply Last reply Reply Quote 0
              • M Offline
                Mathes75 @karsten13
                last edited by Mathes75

                @karsten13 New issue. I did the

                cd /opt/mm
git pull
./install/install.sh electron

                again and now I’m facing:

                pi@magicmirrorMB:/opt/mm $ ./install/install.sh electron

--> Check docker installation

Docker is already installed:
Docker version 29.1.3, build f52814d
Docker Compose version v5.0.1
Found no xserver or wayland so using own container

--> Pulling container images and starting magicmirror

Going to remove mm
[+] remove 1/1
 ✔ Container mm Removed                                                                                                                                                            0.1s 
WARN[0000] No services to build                         
[+] up 2/2
 ✘ Container labwc Error dependency labwc failed to start                                                                                                                          1.3s 
 ✔ Container mm    Created                                                                                                                                                         0.6s 
dependency failed to start: container labwc has no healthcheck configured

                Don´t know what went wrong.

                Output of docker compose config is:

                pi@magicmirrorMB:/opt/mm/run $ docker compose config
name: magicmirror
services:
  labwc:
    container_name: labwc
    environment:
      LAB_WC_HIDE_CURSOR: "true"
      RANDR_PARAMS: ""
      RANDR_POLL: 1m
      XDG_RUNTIME_DIR: /tmp/labwc
    image: karsten13/labwc:latest
    networks:
      default: null
    privileged: true
    restart: always
    volumes:
      - type: bind
        source: /tmp/labwc
        target: /tmp/labwc
        bind: {}
      - type: bind
        source: /run/udev
        target: /run/udev
        bind: {}
  magicmirror:
    container_name: mm
    depends_on:
      labwc:
        condition: service_healthy
        restart: true
        required: true
    environment:
      DISPLAY: unix:0.0
      ELECTRON_ENABLE_GPU: "0"
      MM_CUSTOMCSS_FILE: css/custom.css
      MM_MODULES_DIR: modules
      MM_OVERRIDE_DEFAULT_MODULES: "true"
      MM_SCENARIO: electron
      MM_SHOW_CURSOR: "false"
      WAYLAND_DISPLAY: wayland-0
      XDG_RUNTIME_DIR: /tmp/labwc
    image: karsten13/magicmirror:latest
    network_mode: host
    privileged: true
    restart: always
    shm_size: "268435456"
    volumes:
      - type: bind
        source: /tmp/.X11-unix
        target: /tmp/.X11-unix
        bind: {}
      - type: bind
        source: /home/pi/.Xauthority
        target: /home/node/.Xauthority
        bind: {}
      - type: bind
        source: /tmp/labwc
        target: /tmp/labwc
        bind: {}
      - type: bind
        source: /opt/mm/mounts/config
        target: /opt/magic_mirror/config
        bind: {}
      - type: bind
        source: /opt/mm/mounts/modules
        target: /opt/magic_mirror/modules
        bind: {}
      - type: bind
        source: /opt/mm/mounts/css/custom.css
        target: /opt/magic_mirror/css/custom.css
        bind: {}
    post_start:
      - command:
          - /bin/sh
          - -c
          - |
            if [ "init" = "init" ]; then
              # update volume permissions
              chown -R 1000:1000 config modules css/custom.css
              chmod -R 777 config modules css/custom.css
            fi
            if command -v node_modules/.bin/electron > /dev/null; then
              # if electron is installed then start dbus-daemon to avoid errors in the logs
              dbus-daemon --system || true
            fi
        user: root
networks:
  default:
    name: magicmirror_default

                Any way to get back to the easy issue?

                karsten13K 1 Reply Last reply Reply Quote 0
                • karsten13K Online
                  karsten13 @Mathes75
                  last edited by

                  @Mathes75

                  looks like you still have an old labwc image, try from /opt/mm/run folder:

                  docker compose pull
docker compose up -d
                  M 1 Reply Last reply Reply Quote 0
                  • M Offline
                    Mathes75 @karsten13
                    last edited by

                    @karsten13
                    Back to function! Several restarts without blank screen!

                    Output of docker compose config - in case it is useful…

                    name: magicmirror
services:
  labwc:
    container_name: labwc
    environment:
      LAB_WC_HIDE_CURSOR: "true"
      RANDR_PARAMS: ""
      RANDR_POLL: 1m
      XDG_RUNTIME_DIR: /tmp/labwc
    image: karsten13/labwc:latest
    networks:
      default: null
    privileged: true
    restart: always
    volumes:
      - type: bind
        source: /tmp/labwc
        target: /tmp/labwc
        bind: {}
      - type: bind
        source: /run/udev
        target: /run/udev
        bind: {}
  magicmirror:
    container_name: mm
    depends_on:
      labwc:
        condition: service_healthy
        restart: true
        required: true
    environment:
      DISPLAY: unix:0.0
      ELECTRON_ENABLE_GPU: "0"
      MM_CUSTOMCSS_FILE: css/custom.css
      MM_MODULES_DIR: modules
      MM_OVERRIDE_DEFAULT_MODULES: "true"
      MM_SCENARIO: electron
      MM_SHOW_CURSOR: "false"
      WAYLAND_DISPLAY: wayland-0
      XDG_RUNTIME_DIR: /tmp/labwc
    image: karsten13/magicmirror:latest
    network_mode: host
    privileged: true
    restart: always
    shm_size: "268435456"
    volumes:
      - type: bind
        source: /tmp/.X11-unix
        target: /tmp/.X11-unix
        bind: {}
      - type: bind
        source: /home/pi/.Xauthority
        target: /home/node/.Xauthority
        bind: {}
      - type: bind
        source: /tmp/labwc
        target: /tmp/labwc
        bind: {}
      - type: bind
        source: /opt/mm/mounts/config
        target: /opt/magic_mirror/config
        bind: {}
      - type: bind
        source: /opt/mm/mounts/modules
        target: /opt/magic_mirror/modules
        bind: {}
      - type: bind
        source: /opt/mm/mounts/css/custom.css
        target: /opt/magic_mirror/css/custom.css
        bind: {}
    post_start:
      - command:
          - /bin/sh
          - -c
          - |
            if [ "init" = "init" ]; then
              # update volume permissions
              chown -R 1000:1000 config modules css/custom.css
              chmod -R 777 config modules css/custom.css
            fi
            if command -v node_modules/.bin/electron > /dev/null; then
              # if electron is installed then start dbus-daemon to avoid errors in the logs
              dbus-daemon --system || true
            fi
        user: root
networks:
  default:
    name: magicmirror_default
                    M 1 Reply Last reply Reply Quote 1
                    • M Offline
                      Mathes75 @Mathes75
                      last edited by

                      Pi rebooted twice today (initiated by myself) and issue didn’t come back - I think this can bei marked as resolved - thanks a lot!

                      Now I can take care about Python and fritzconnector…

                      S 1 Reply Last reply Reply Quote 0
                      • S Offline
                        sdetweil @Mathes75
                        last edited by

                        @Mathes75 can you find the message that best explains the fix,
                        click the 3 dots to the right and select
                        Mark this post as the correct answer

                        Sam

                        How to add modules

                        learning how to use browser developers window for css changes

                        1 Reply Last reply Reply Quote 0
                        • M Mathes75 has marked this topic as solved
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