login: HyperV requires master-of-seat to be set

v2: Update comment provided by Lennart

Fixes: https://github.com/systemd/systemd/issues/11299

diff --git a/src/login/71-seat.rules.in b/src/login/71-seat.rules.in
index 8049be4..a5928b0 100644 (file)
--- a/src/login/71-seat.rules.in
+++ b/src/login/71-seat.rules.in
@@ -13,6 +13,10 @@ 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"
+
+# HyperV currently doesn't do DRM, hence we need to synthesize for HyperV's fb device instead
+SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", DRIVERS=="hyperv_fb", TAG+="master-of-seat"
+
 SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat"
 SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat"