Comment 0 for bug 1762385

RFKill key produces these messages in kernel log:

dell_wmi: Unknown key with type 0x0010 and code 0xe008 pressed

This key code is a notification and should be added as KEY_IGNORE here: https://github.com/torvalds/linux/blob/master/drivers/platform/x86/dell-wmi.c#L263

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-15-generic 4.15.0-15.16
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: dmig 2737 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Mon Apr 9 18:09:03 2018
InstallationDate: Installed on 2018-03-27 (12 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180327)
MachineType: Dell Inc. Inspiron 5379
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.15.0-15-generic root=UUID=9745e22b-0b19-4a7d-98a0-1a4bc5b19d99 ro rootflags=subvol=@ quiet splash vt.handoff=1
RelatedPackageVersions:
 linux-restricted-modules-4.15.0-15-generic N/A
 linux-backports-modules-4.15.0-15-generic N/A
 linux-firmware 1.173
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/31/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.6.0
dmi.board.name: 0C6J64
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.6.0:bd01/31/2018:svnDellInc.:pnInspiron5379:pvr:rvnDellInc.:rn0C6J64:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Inspiron
dmi.product.name: Inspiron 5379
dmi.sys.vendor: Dell Inc.