Comment 0 for bug 1800727

Bug #1740894 proposed update to xkb-data 2.23.1-1ubuntu1.18.10.1 in order to pass KEY_RFKILL to userspace.

Despite the issue described in bug #1740894, on Dell XPS 15 9575 the airplane mode key actually worked flawlessly out-of-the-box after installing Cosmic at beginning of September, using xkb-data 2.23.

Updating to the proposed xkb-data 2.23.1-1ubuntu1.18.10.1 however leads to the following issue:
1. Press airplane mode key Fn+Pos1
-> Works. Pop-up says "Airplane mode enabled", airplane icon appears in panel, Wifi and BT are off.
2. Press Fn+Pos1 again
-> Broken. Pop-up briefly says "Airplane mode disabled", then immediately changes to "... enabled", airplane icon remains in panel, Wifi and BT remain OFF.

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: xkb-data 2.23.1-1ubuntu1.18.10.1
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Uname: Linux 4.18.0-11-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CurrentDesktop: ubuntu:GNOME
Date: Tue Oct 30 22:13:45 2018
Dependencies:

DistUpgraded: Fresh install
DistroCodename: cosmic
DistroVariant: ubuntu
InstallationDate: Installed on 2018-09-13 (47 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180912)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 0489:e0a2 Foxconn / Hon Hai
 Bus 001 Device 004: ID 27c6:5395
 Bus 001 Device 002: ID 0bda:58f4 Realtek Semiconductor Corp.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. XPS 15 9575
PackageArchitecture: all
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic root=UUID=26ff4c95-5f68-4121-b7d0-989fa705fcc8 ro quiet splash
SourcePackage: xkeyboard-config
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/08/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.9
dmi.board.name: 0C32VW
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.1.9:bd08/08/2018:svnDellInc.:pnXPS159575:pvr:rvnDellInc.:rn0C32VW:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 15 9575
dmi.product.sku: 080D
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.95-1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3