There is no CapsLock indication of CapsLock key using Caps Lock LED on the keyboard while using plain TTY (such as Ctrl+Alt+F1)

[Norbert]

Steps to reproduce:
1. Have minimal Ubuntu 20.04 LTS installed with all default settings and minimal set of packages on the laptop or desktop with physical CapsLock / Caps Lock LED indicator on the case or keyboard.
2. Boot the system using default settings
3. Login to the system
4. Press `<Caps Lock>` key, enter some letters in CAPITALS (while CapsLock LED is on)
5. Press `<Caps Lock>` key again, enter some letters in lowercase (while CapsLock LED is off)

Expected results:
* CapsLock key toggles CapsLock LED, the LED state indicates current CapsLock key function

Actual results:
* CapsLock LED is always off

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: systemd-sysv 245.4-4ubuntu3.6
ProcVersionSignature: Ubuntu 5.4.0-72.80-generic 5.4.101
Uname: Linux 5.4.0-72-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
Date: Tue Apr 20 11:31:53 2021
SourcePackage: systemd
UpgradeStatus: Upgraded to focal on 2021-04-20 (0 days ago)

[Norbert (nrbrtx)]

The bug is actually in `kdb` package. Forcibly purging it using `sudo dpkg -P --force-all kbd` fixes the issue. But this package is useful. Please fix this bug.

[Norbert (nrbrtx)]

Running `sudo chmod a-x $(dpkg -L kbd | grep bin/)` also fix the issue.

[Dan Streetman (ddstreet)]

> Actual results:
> * CapsLock key switches on CapsLock LED, the LED state indicates current CapsLock key function
>
> Expected results:
> * CapsLock LED is always off

the 'actual results' sounds like correct behavior to me...?

[Norbert (nrbrtx)]

CapsLock LED should react on CapsLock key, is not it?

[Norbert (nrbrtx)]

Ok, let's do this in steps:
1. boot machine - CapsLock function and LED are off
2. login and press CapsLock button - now user can enter CAPITALS and CapsLock LED should be on
3. press CapsLock button again - now user can enter lowercase letters and CapsLock LED is off

What else should I explain to you, Dan Streetman (ddstreet) ?

[Norbert (nrbrtx)]

I attach the screencast with Ubuntu 20.04 LTS VM about CapsLock issue for illustration.