[Bug 1758512] Re: No virtual terminals (CTRL+ALT+F?) when no user logged in

2020-11-26 Thread Ilya w495 Nikitin
** Also affects: plasma-desktop (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  No virtual terminals (CTRL+ALT+F?) when no user logged in

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[Bug 1758512] Re: No virtual terminals (CTRL+ALT+F?) when no user logged in; erratic behaviour when user logged in.

2020-11-25 Thread Ilya w495 Nikitin
I can reproduce it but only in:
* GNOME Shell 3.36.4
* KDE Plasma Shell 5.18.5

But in XFCE, LXDE, LXQT, MATE and others ++ works fine
for me.

At first, I've tried to use `sudo chvt 2` for switching form KDE on tty1 to Raw 
Console on tty2. After switching to tty2 ++ works as in early 
days.
It doesn't depends on video drivers or kernel flags and etc. For my laptop I've 
got the same  for nvidia:455.38 and for i915, with modeset and with nomodset, 
with GFX grub mode and without. 

But I guess, this is not a system or hardware problem, because there are no any 
troubles with small environments.  So after some research I found, that you can 
use `sudo kbd_mode`. 
 
So for me `sudo kbd_mode -af` works fine without reboot.

* Laptop: DellXps 15 9570 4K Touch
* Operating System: Kubuntu 20.04
* Kernel Version: 5.8.0-7630-generic #32~1605108853~20.04~8bcf10e~dev-Ubuntu 
(from system76)
* OS Type: 64-bit
* Processors: 12 × Intel® Core™ i7-8750H CPU @ 2.20GHz
* Memory: 15,4 Gib

Unfortunately I cannot find `DontVTSwitch` option in xorg.conf-like all-over 
the system, as was said for example here:
* 
https://unix.stackexchange.com/questions/34158/rebinding-disabling-ctrlaltf-virtual-terminal-console-switching

I think it'll be better solution.

The solution of Fredrik Öhrström (oehrstroem) also sounds great.

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https://bugs.launchpad.net/bugs/1758512

Title:
  No virtual terminals (CTRL+ALT+F?) when no user logged in; erratic
  behaviour when user logged in.

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