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I'm running Debian Unstable (Sid) with packages that I built myself (from epoch-1.0.0-alpha4 tag, just dh binary for each git submodule). After installation COSMIC appears in my gdm options and individual apps (e.g. cosmic-edit or cosmic-term) work in other environments (Gnome, Hyprland). But Cosmic itself doesn't start. I mean, it starts indeed but a second later screen goes blank.
I don't see anything actionable in journactl:
Details
Dec 22 08:02:58 debian cosmic-session[5907]: Starting cosmic-session
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' COSMIC_SESSION_SOCK=12 cosmic-comp '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.064311Z INFO cosmic_session: Starting cosmic-session
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.064504Z INFO launch_pad: starting process ' COSMIC_SESSION_SOCK=12 cosmic-comp '
Dec 22 08:02:58 debian cosmic-comp[5932]: Failed to read config 'workspaces'
Dec 22 08:02:58 debian cosmic-comp[5932]: failed to read local shortcuts config 'system_actions': NoConfigDirectory
Dec 22 08:02:58 debian cosmic-comp[5932]: Key-Binding 'Period' only matched case insensitive for "period"
Dec 22 08:02:58 debian cosmic-comp[5932]: Key-Binding 'Comma' only matched case insensitive for "comma"
Dec 22 08:02:58 debian cosmic-comp[5932]: Key-Binding 'Period' only matched case insensitive for "period"
Dec 22 08:02:58 debian cosmic-comp[5932]: Key-Binding 'Comma' only matched case insensitive for "comma"
Dec 22 08:02:58 debian cosmic-comp[5932]: shortcuts custom config error: GetKey("custom", Os { code: 2, kind: NotFound, message: "No such file or directory" })
Dec 22 08:02:58 debian cosmic-comp[5932]: tiling exceptions custom config error: GetKey("tiling_exception_custom", Os { code: 2, kind: NotFound, message: "No such file or directory" })
Dec 22 08:02:58 debian cosmic-comp[5932]: Unable to become drm master, assuming unprivileged mode
Dec 22 08:02:58 debian cosmic-session[5907]: got environmental variables from cosmic-comp: [("WAYLAND_DISPLAY", "wayland-1"), ("DISPLAY", ":0")]
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.621826Z INFO cosmic_session: got environmental variables from cosmic-comp: [("WAYLAND_DISPLAY", "wayland-1"), ("DISPLAY", ":0")]
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' cosmic-settings-daemon '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.626235Z INFO launch_pad: starting process ' cosmic-settings-daemon '
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland DAEMON_NOTIFICATIONS_FD=22 WAYLAND_SOCKET=24 cosmic-notifications '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.645537Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland DAEMON_NOTIFICATIONS_FD=22 WAYLAND_SOCKET=24 cosmic-notifications '
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland PANEL_NOTIFICATIONS_FD=20 WAYLAND_SOCKET=24 cosmic-panel '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.646195Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland PANEL_NOTIFICATIONS_FD=20 WAYLAND_SOCKET=24 cosmic-panel '
Dec 22 08:02:58 debian cosmic-session[5907]: Geolocation service not in use
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.646650Z INFO cosmic-settings-daemon: cosmic_session: Geolocation service not in use
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=24 cosmic-app-library '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.646849Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.646899Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=24 cosmic-app-library '
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=39 cosmic-launcher '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.647863Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.647889Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=39 cosmic-launcher '
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.648839Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.648864Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=45 cosmic-workspaces '
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=45 cosmic-workspaces '
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.649684Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.649710Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=51 cosmic-osd '
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=51 cosmic-osd '
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=57 cosmic-bg '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.650706Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=57 cosmic-bg '
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=63 cosmic-greeter '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.652012Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.652070Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=63 cosmic-greeter '
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=67 cosmic-files-applet '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.654144Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.654190Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=67 cosmic-files-applet '
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=72 cosmic-idle '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.656471Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.656547Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=72 cosmic-idle '
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian cosmic-session[5907]: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=81 PORTAL_WAYLAND_SOCKET=79 /usr/libexec/xdg-desktop-portal-cosmic '
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.658000Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.658049Z INFO launch_pad: starting process ' WAYLAND_DISPLAY=wayland-1 DISPLAY=:0 XDG_SESSION_TYPE=wayland WAYLAND_SOCKET=81 PORTAL_WAYLAND_SOCKET=79 /usr/libexec/xdg-desktop-portal-cosmic '
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.660483Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian cosmic-session[5907]: sending 1 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.661665Z INFO cosmic_session::comp: sending 1 fds
Dec 22 08:02:58 debian cosmic-session[5907]: sending 2 fds
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.662989Z INFO cosmic_session::comp: sending 2 fds
Dec 22 08:02:58 debian cosmic-session[5907]: Failed to watch theme channel closed. Will try again in 0s
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.676745Z WARN cosmic-settings-daemon: cosmic_session: Failed to watch theme channel closed. Will try again in 0s
Dec 22 08:02:58 debian systemd[1737]: Started cosmic-app-library.scope.
Dec 22 08:02:58 debian cosmic-session[5907]: could not read cache file
Dec 22 08:02:58 debian cosmic-session[5907]: No such file or directory (os error 2)
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.688998Z WARN cosmic-launcher: cosmic_session: could not read cache file
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.689447Z WARN cosmic-launcher: cosmic_session: No such file or directory (os error 2)
Dec 22 08:02:58 debian systemd[1737]: Started cosmic-launcher.scope.
Dec 22 08:02:58 debian cosmic-session[5907]: [2024-12-22T07:02:58Z ERROR cosmic_settings_subscriptions::upower::kbdbacklight] Error listening to KbdBacklight: org.freedesktop.DBus.Error.UnknownMethod: Object does not exist at path “/org/freedesktop/UPower/KbdBacklight”
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.701697Z WARN cosmic-osd: cosmic_session: [2024-12-22T07:02:58Z ERROR cosmic_settings_subscriptions::upower::kbdbacklight] Error listening to KbdBacklight: org.freedesktop.DBus.Error.UnknownMethod: Object does not exist at path “/org/freedesktop/UPower/KbdBacklight”
Dec 22 08:02:58 debian cosmic-session[5907]: WARN could not decode image: /usr/share/backgrounds/cosmic/orion_nebula_nasa_heic0601a.jpg
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.705719Z WARN cosmic-bg: cosmic_session: WARN could not decode image: /usr/share/backgrounds/cosmic/orion_nebula_nasa_heic0601a.jpg
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.705742Z WARN cosmic-bg: cosmic_session: at src/wallpaper.rs:154 on main
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.705753Z WARN cosmic-bg: cosmic_session:
Dec 22 08:02:58 debian cosmic-session[5907]: at src/wallpaper.rs:154 on main
Dec 22 08:02:58 debian cosmic-session[5907]:
Dec 22 08:02:58 debian systemd[1737]: Started cosmic-bg.scope.
Dec 22 08:02:58 debian systemd[1737]: Started cosmic-files-applet.scope.
Dec 22 08:02:58 debian systemd[1737]: Started cosmic-greeter.scope.
Dec 22 08:02:58 debian systemd[1737]: Started cosmic-idle.scope.
Dec 22 08:02:58 debian systemd[1737]: Started cosmic-osd.scope.
Dec 22 08:02:58 debian systemd[1737]: Started cosmic-workspaces.scope.
Dec 22 08:02:58 debian systemd[1737]: Started xdg-desktop-portal-cosmic.scope.
Dec 22 08:02:58 debian systemd[1737]: Reached target cosmic-session.target - Cosmic Session Target.
Dec 22 08:02:58 debian cosmic-session[5907]: Error getting config: com.system76.CosmicAppList [GetKey("enable_drag_source", Os { code: 2, kind: NotFound, message: "No such file or directory" })]
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.766333Z WARN cosmic-app-library: cosmic_session: Error getting config: com.system76.CosmicAppList [GetKey("enable_drag_source", Os { code: 2, kind: NotFound, message: "No such file or directory" })]
Dec 22 08:02:58 debian cosmic-session[5907]: Failed to reset the application of the theme to gtk. Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.781434Z WARN cosmic-settings-daemon: cosmic_session: Failed to reset the application of the theme to gtk. Io(Os { code: 2, kind: NotFound, message: "No such file or directory" })
Dec 22 08:02:58 debian cosmic-session[5907]: Geolocation service in use
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.810832Z INFO cosmic-settings-daemon: cosmic_session: Geolocation service in use
Dec 22 08:02:58 debian cosmic-session[5907]: [2024-12-22T07:02:58Z WARN wgpu_hal::gles::adapter] Detected skylake derivative running on mesa i915. Clears to srgb textures will use manual shader clears.
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.901721Z WARN xdg-desktop-portal-cosmic: cosmic_session: [2024-12-22T07:02:58Z WARN wgpu_hal::gles::adapter] Detected skylake derivative running on mesa i915. Clears to srgb textures will use manual shader clears.
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.901764Z WARN cosmic-files-applet: cosmic_session: [2024-12-22T07:02:58Z WARN wgpu_hal::gles::adapter] Detected skylake derivative running on mesa i915. Clears to srgb textures will use manual shader clears.
Dec 22 08:02:58 debian cosmic-session[5907]: [2024-12-22T07:02:58Z WARN wgpu_hal::gles::adapter] Detected skylake derivative running on mesa i915. Clears to srgb textures will use manual shader clears.
Dec 22 08:02:58 debian cosmic-session[5907]: [2024-12-22T07:02:58Z WARN wgpu_hal::gles::egl] Re-initializing Gles context due to Wayland window
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.902086Z WARN xdg-desktop-portal-cosmic: cosmic_session: [2024-12-22T07:02:58Z WARN wgpu_hal::gles::egl] Re-initializing Gles context due to Wayland window
Dec 22 08:02:58 debian cosmic-session[5907]: [2024-12-22T07:02:58Z WARN wgpu_hal::gles::egl] Re-initializing Gles context due to Wayland window
Dec 22 08:02:58 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:58.902697Z WARN cosmic-files-applet: cosmic_session: [2024-12-22T07:02:58Z WARN wgpu_hal::gles::egl] Re-initializing Gles context due to Wayland window
Dec 22 08:02:59 debian cosmic-session[5907]: 2024-12-22T07:02:59.565994Z ERROR stderr{client=InnerClientId { ptr: 0x55f0e2487a70, alive: true }}: com.system76.CosmicAppletStatusArea: Acquired bus name: org.kde.StatusNotifierWatcher
Dec 22 08:02:59 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:59.568530Z INFO cosmic-panel: cosmic_session::notifications: 2024-12-22T07:02:59.565994Z ERROR stderr{client=InnerClientId { ptr: 0x55f0e2487a70, alive: true }}: com.system76.CosmicAppletStatusArea: Acquired bus name: org.kde.StatusNotifierWatcher
Dec 22 08:02:59 debian cosmic-session[5907]: 2024-12-22T07:02:59.578625Z ERROR stderr{client=InnerClientId { ptr: 0x55f0e251b410, alive: true }}: com.system76.CosmicAppList: Error getting config: com.system76.CosmicAppList [GetKey("enable_drag_source", Os { code: 2, kind: NotFound, message: "No such file or directory" })]
Dec 22 08:02:59 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:59.578734Z INFO cosmic-panel: cosmic_session::notifications: 2024-12-22T07:02:59.578625Z ERROR stderr{client=InnerClientId { ptr: 0x55f0e251b410, alive: true }}: com.system76.CosmicAppList: Error getting config: com.system76.CosmicAppList [GetKey("enable_drag_source", Os { code: 2, kind: NotFound, message: "No such file or directory" })]
Dec 22 08:02:59 debian cosmic-session[5907]: 2024-12-22T07:02:59.745645Z ERROR stderr{client=InnerClientId { ptr: 0x55f0e247cf90, alive: true }}: com.system76.CosmicAppletBattery: exited with code 0
Dec 22 08:02:59 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:02:59.745814Z INFO cosmic-panel: cosmic_session::notifications: 2024-12-22T07:02:59.745645Z ERROR stderr{client=InnerClientId { ptr: 0x55f0e247cf90, alive: true }}: com.system76.CosmicAppletBattery: exited with code 0
Dec 22 08:03:41 debian cosmic-session[5907]: EXITING: received request to terminate
Dec 22 08:03:41 debian /usr/libexec/gdm-wayland-session[5907]: 2024-12-22T07:03:41.012384Z INFO cosmic_session: EXITING: received request to terminate
Dec 22 08:03:41 debian cosmic-session[5907]: process 'ProcessKey(2v1)' cancelled
Dec 22 08:03:41 debian systemd[1737]: cosmic-files-applet.scope: Killing process 6295 (notify-rs inoti) with signal SIGKILL.
Dec 22 08:03:41 debian systemd[1737]: Stopping cosmic-files-applet.scope...
Dec 22 08:03:41 debian systemd[1737]: Stopped target cosmic-session.target - Cosmic Session Target.
Dec 22 08:03:41 debian systemd[1737]: Stopped cosmic-files-applet.scope.
Dec 22 08:03:41 debian systemd[1737]: cosmic-files-applet.scope: Consumed 308ms CPU time, 321.2M memory peak.
To capture it I logged in, got a black screen, switched to TTY, rebooted and then recorded journalctl --user | grep cosmic.
Hello.
I'm running Debian Unstable (Sid) with packages that I built myself (from
epoch-1.0.0-alpha4
tag, justdh binary
for each git submodule). After installationCOSMIC
appears in my gdm options and individual apps (e.g.cosmic-edit
orcosmic-term
) work in other environments (Gnome, Hyprland). But Cosmic itself doesn't start. I mean, it starts indeed but a second later screen goes blank.I don't see anything actionable in journactl:
Details
To capture it I logged in, got a black screen, switched to TTY, rebooted and then recorded
journalctl --user | grep cosmic
.Details
Is there anything obvious that I'm missing?
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