From ed817cd4e58c5f5c868d5d9e59a1d7e66b1da165 Mon Sep 17 00:00:00 2001 From: Philip Withnall Date: Tue, 2 Jun 2015 15:24:48 +0100 Subject: [PATCH] logind: Add a udev rule to tag all DRM cards with master-of-seat MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This is needed for generic DRM devices like the VirtualBox vboxvideo driver, which exposes itself as a generic, ID-less DRM device at /dev/dri/card0 (after applying this commit): $ udevadm info --query=all --path \ /sys/devices/pci0000:00/0000:00:02.0/drm/card0 P: /devices/pci0000:00/0000:00:02.0/drm/card0 N: dri/card0 E: DEVNAME=/dev/dri/card0 E: DEVPATH=/devices/pci0000:00/0000:00:02.0/drm/card0 E: DEVTYPE=drm_minor E: ID_FOR_SEAT=drm-pci-0000_00_02_0 E: ID_PATH=pci-0000:00:02.0 E: ID_PATH_TAG=pci-0000_00_02_0 E: MAJOR=226 E: MINOR=0 E: SUBSYSTEM=drm E: TAGS=:master-of-seat:seat:uaccess: E: USEC_INITIALIZED=59893 Without this patch, the capabilities for a seat on a VirtualBox installation of systemd v219 incorrectly show it as non-graphical, even though I can type these commands from an xterm: $ loginctl show-seat seat0 Id=seat0 CanMultiSession=yes CanTTY=yes CanGraphical=no … https://bugs.freedesktop.org/show_bug.cgi?id=90822 --- src/login/71-seat.rules.in | 1 + 1 file changed, 1 insertion(+) diff --git a/src/login/71-seat.rules.in b/src/login/71-seat.rules.in index ad26acbbb30..ab7b66f651c 100644 --- a/src/login/71-seat.rules.in +++ b/src/login/71-seat.rules.in @@ -11,6 +11,7 @@ TAG=="uaccess", SUBSYSTEM!="sound", TAG+="seat" SUBSYSTEM=="sound", KERNEL=="card*", TAG+="seat" SUBSYSTEM=="input", KERNEL=="input*", TAG+="seat" SUBSYSTEM=="graphics", KERNEL=="fb[0-9]*", TAG+="seat", TAG+="master-of-seat" +SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat" SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat" # 'Plugable' USB hub, sound, network, graphics adapter -- 2.39.2