@Sebastian: I reinstalled the non-SRU version:
$ apt-cache policy xkb-data xkb-data: Installed: 2.23.1-1ubuntu1 Candidate: 2.23.1-1ubuntu1.18.10.1 Version table: 2.23.1-1ubuntu1.18.10.1 500 500 http://de.archive.ubuntu.com/ubuntu cosmic-proposed/main amd64 Packages 500 http://de.archive.ubuntu.com/ubuntu cosmic-proposed/main i386 Packages *** 2.23.1-1ubuntu1 500 500 http://de.archive.ubuntu.com/ubuntu cosmic/main amd64 Packages 500 http://de.archive.ubuntu.com/ubuntu cosmic/main i386 Packages 100 /var/lib/dpkg/status - on a stock XPS with the non-SRU version, what keycode do you get in xev I press Fn+Pos1 and I get: FocusIn event, serial 39, synthetic NO, window 0x2000001, mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 39, synthetic NO, window 0x0, keys: 4294967246 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MappingNotify event, serial 39, synthetic NO, window 0x0, request MappingKeyboard, first_keycode 8, count 248 KeyPress event, serial 39, synthetic NO, window 0x2000001, root 0x1ce, subw 0x0, time 272898, (-557,525), root:(1274,1553), state 0x0, keycode 255 (keysym 0x0, NoSymbol), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False KeyRelease event, serial 39, synthetic NO, window 0x2000001, root 0x1ce, subw 0x0, time 272898, (-557,525), root:(1274,1553), state 0x0, keycode 255 (keysym 0x0, NoSymbol), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False - on a stock cosmic what happens when you use the key 1.Press key -> Airplane mode enables. The airplane mode icon appear in the Gnome panel. Wifi turns off. BT turns off 2. Press key again -> Airplane mode disables. The airplane mode icon disappears from the Gnome panel. Wifi turns on. BT turns on. I.e., it works perfectly. Every time I press the key, the airplane mode changes into the other state (on or off) - does that command works to get out of airplane mode? (Command: gdbus call etc.) Yes -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1740894 Title: KEY_RFKILL is not passed to userspace To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libxkbcommon/+bug/1740894/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs