Xenial runs X on VT7 thus in default installations the postinst scripts don't
break X.
If this fix is scheduled for SRU, please also fix console-setup.postinst, not
just keyboard-configuration.postinst.
** Also affects: kbd (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: xorg-server (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: console-setup (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: console-setup (Ubuntu Xenial)
Importance: Undecided => Low
** Changed in: console-setup (Ubuntu Xenial)
Status: New => Confirmed
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/520546
Title:
Alt+KEY incorrectly behaves like Ctrl+Alt+KEY, and/or unwanted VT
switch from Alt+Left/Right
Status in console-setup package in Ubuntu:
Fix Released
Status in kbd package in Ubuntu:
In Progress
Status in xorg-server package in Ubuntu:
Invalid
Status in console-setup source package in Xenial:
Confirmed
Status in kbd source package in Xenial:
New
Status in xorg-server source package in Xenial:
New
Status in console-setup source package in Bionic:
Fix Committed
Status in kbd source package in Bionic:
Confirmed
Status in linux source package in Bionic:
Confirmed
Status in xorg-server source package in Bionic:
Invalid
Status in console-setup source package in Cosmic:
Fix Committed
Status in kbd source package in Cosmic:
Confirmed
Status in linux source package in Cosmic:
Confirmed
Status in xorg-server source package in Cosmic:
Invalid
Status in console-setup source package in Disco:
Fix Committed
Status in kbd source package in Disco:
Confirmed
Status in linux source package in Disco:
Confirmed
Status in xorg-server source package in Disco:
Invalid
Status in console-setup source package in Eoan:
Fix Released
Status in kbd source package in Eoan:
In Progress
Status in linux source package in Eoan:
Confirmed
Status in xorg-server source package in Eoan:
Invalid
Bug description:
(console-setup)
[Impact]
* keyboard-configuration's postinst changes keyboard mode breaking X
keys.
[Test Case]
* Ssh to a system or open a terminal and unset DISPLAY
$ echo $DISPLAY
$
* Check kbd mode, should be raw (set by kbd_mode -s) or unknown:
$ sudo kbd_mode
The keyboard is in some unknown mode
$ sudo kbd_mode
The keyboard is in raw (scancode) mode
$
On Xenial X runs on VT7 thus the graphical environment is not affected in
the default configuration, but the keyboard-configuration postinst maintaner
script still changes mode on vt1-6, thus at the beginning set VT1 to raw mode
to observe the change:
$ sudo kbd_mode -s -C /dev/tty1
$ sudo kbd_mode -C /dev/tty1
The keyboard is in raw (scancode) mode
* Install or reinstall kbd-configuration
$ sudo apt install --reinstall keyboard-configuration
...
Setting up keyboard-configuration (1.178ubuntu11) ...
Your console font configuration will be updated the next time your system
boots. If you want to update it now, run 'setupcon' from a virtual console.
...
* With the fixed package you should see the note above and the kbd
mode must stay the same (on Xenial check VT1: sudo kbd_mode -C
/dev/tty1):
$ sudo kbd_mode
The keyboard is in raw (scancode) mode
$
* The unfixed package sets the kbd mode to unicode:
$ sudo kbd_mode
The keyboard is in Unicode (UTF-8) mode
$
[Regression Potential]
* The change may break debian-installer changing the keyboard mode, this
should also be tested.
* In general changing the postinst script may make the package unable to
install, but this is tested in generic environment and the change to the
postinst script is very small.
[Original Bug Text]
WORKAROUND:
sudo kbd_mode -s
ORIGINAL DESCRIPTION:
I'm running Ubuntu Lucid development branch.
Pressing alt-f2 switches the screen to the second virtual terminal.
Alt-f3 does the same to the third and so on. I expected alt-f2 to open
the run dialog.
I'm pretty sure that my keyboard is not malfunctioning as I can use
all my applications normally. (Pressing O and Ctrl-O do not have the
same effect.)
I'm not sure which package I should file this bug against. I'll
happily do an apport-collect once I know.
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