This has been seen on Ubuntu GNOME 17.04, under both Wayland and X11. It appears to happen randomly after some time, sometimes a reboot can resolve the issue, sometimes not.
Running the following command as a workaround resolves the issue: $ sudo kbd_mode -s FWIW, I was running on a system with Intel graphics drivers when this issue occurred. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1508146 Title: alt + left/right arrows switch between tty consoles, cannot disable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1508146/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs