I can confirm this also. xev picks up the correct key press events when I kill gsd, and echo 40 > /sys/class/backlight/acpi_video0/brightness works as expected.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in Ubuntu. https://bugs.launchpad.net/bugs/1121951 Title: Lenovo X1 Carbon: Backlight brightness keys don't work any more To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1121951/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs