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nixos/gdm: fix startup

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In 7f838b4dde, we dropped systemd-udev-settle.service from display-manager.service's wants.
Unfortunately, we are doing something wrong since without it both Xorg and Wayland fail to start:

	Failed to open gpu '/dev/dri/card0': GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: Operation not permitted

Until we sort this out, let's add systemd-udev-settle.service to GDM to unblock the channels.
This commit is contained in:
Jan Tojnar 2020-04-05 16:30:17 +02:00
parent 52f76b8907
commit f74f2f3548
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nixos/modules/services/x11/display-managers/gdm.nix
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@ -188,6 +188,9 @@ in
"systemd-machined.service" "systemd-machined.service"
# setSessionScript wants AccountsService # setSessionScript wants AccountsService
"accounts-daemon.service" "accounts-daemon.service"
# Failed to open gpu '/dev/dri/card0': GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: Operation not permitted
# https://github.com/NixOS/nixpkgs/pull/25311#issuecomment-609417621
"systemd-udev-settle.service"
]; ];
systemd.services.display-manager.after = [ systemd.services.display-manager.after = [
@ -197,6 +200,7 @@ in
"getty@tty${gdm.initialVT}.service" "getty@tty${gdm.initialVT}.service"
"plymouth-quit.service" "plymouth-quit.service"
"plymouth-start.service" "plymouth-start.service"
"systemd-udev-settle.service"
]; ];
systemd.services.display-manager.conflicts = [ systemd.services.display-manager.conflicts = [
"getty@tty${gdm.initialVT}.service" "getty@tty${gdm.initialVT}.service"