[Bug 1508146] Re: Alt+left/right arrows switch between tty consoles (Gnome Shell vanishes), cannot disable

[Ben M.]

I just modified comment 31 (https://bugs.launchpad.net/ubuntu/+source
/gnome-shell/+bug/1508146/comments/31):

$ sudo dumpkeys | grep -v -E '^(\W+)alt(\W+)keycode.*Cons' | sudo
loadkeys

Everything with alt at the beginning and Console will not switch (to)
consoles anymore.

** Also affects: kubuntu-meta (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1508146

Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

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[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: kubuntu-meta (Ubuntu)
Status: New => Confirmed
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Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

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[Yannick]

In my case, I traced the issue to the keyboard-configuration package
postinst script, which ends up calling 'setupcon --force --save' which
in turn calls 'kbd_mode -u'

To reproduce:
sudo apt install --reinstall keyboard-configuration

setupcon documentation states:
"--force Do not check whether we are on the console. Notice that you can be forced to hard-reboot your computer if you run setupcon with this option and the screen is controlled by a X server."

It looks like the checks to avoid this behavior while a graphic
environment is active don't work in the context of the installer.

** Also affects: console-setup (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1508146

Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/console-setup/+bug/1508146/+subscriptions

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: console-setup (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1508146

Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/console-setup/+bug/1508146/+subscriptions

[Yannick]

*** This bug is a duplicate of bug 520546 ***
https://bugs.launchpad.net/bugs/520546

** This bug has been marked a duplicate of bug 520546
Alt-f2 switches to virtual terminal 2
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Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

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[Sæmundur Óskar Haraldsson]

*** This bug is a duplicate of bug 520546 ***
https://bugs.launchpad.net/bugs/520546

Issue came back after latest update
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Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

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[Andrew Carlson]

*** This bug is a duplicate of bug 520546 ***
https://bugs.launchpad.net/bugs/520546

I have this issue too in the latest update of 18.04 (that I updated on
20.09, but don't know when that was available before)
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Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

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[Sebastian Sipos]

*** This bug is a duplicate of bug 520546 ***
https://bugs.launchpad.net/bugs/520546

I have this issue too since at least 10 minutes ago.
I was fiddling with tmux/byobu at the time - idk if this is relevant.

$ lsb_release -d
Description: Ubuntu 18.04.1 LTS

Sorry for the "me too" comment
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Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

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[William]

*** This bug is a duplicate of bug 520546 ***
https://bugs.launchpad.net/bugs/520546

This still happens on ubuntu 18.10.
sudo kbd_mode -s does work.
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Title:
Alt+left/right arrows switch between tty consoles (Gnome Shell
vanishes), cannot disable

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