#39288 Incorrect keyboard layout in GRUB stage1 to enter the LUKS passphrase

Message #5 received at submit@debbugs.gnu.org (full text, mbox, reply):

From: Damien Cassou <damien@cassou.me>

To: bug-guix@gnu.org

Subject: Wrong keyboard layout to decrypt hard drive

Date: Sun, 26 Jan 2020 12:41:54 +0100

Hi,

during graphical installation I chose to encrypt my hard drive and to
use the colemak keyboard layout. After the system rebooted, typing the
passphrase in colemak didn't work and I got dropped into rescue
mode. The rescue mode is in qwerty, not colemak.

Best,

-- 
Damien Cassou

"Success is the ability to go from one failure to another without
losing enthusiasm." --Winston Churchill

Message #8 received at 39288@debbugs.gnu.org (full text, mbox, reply):

From: Tobias Geerinckx-Rice <me@tobias.gr>

To: 39288@debbugs.gnu.org

Subject: Re: bug#39288: Wrong keyboard layout to decrypt hard drive

Date: Sun, 26 Jan 2020 13:24:11 +0100

[Message part 1 (text/plain, inline)]

Damien,

Damien Cassou 写道：
> during graphical installation I chose to encrypt my hard drive 
> and to
> use the colemak keyboard layout. After the system rebooted, 
> typing the
> passphrase in colemak didn't work and I got dropped into rescue
> mode. The rescue mode is in qwerty, not colemak.

Could you check whether your system configuration's 
bootloader-configuration actually contains a keyboard-layout 
field?

      (bootloader (bootloader-configuration
                    (bootloader grub-efi-bootloader)
                    (target "/boot/efi")
      -->           (keyboard-layout keyboard-layout)))

The last time I tried adding this myself (granted: that was a year 
ago) it broke my GRUB, so today I still type my passphrase once in 
Qwerty and once in Dvorak.  Much secure!

Kind regards,

T G-R

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Message #13 received at 39288@debbugs.gnu.org (full text, mbox, reply):

From: Ludovic Courtès <ludo@gnu.org>

To: Tobias Geerinckx-Rice <me@tobias.gr>

Cc: 39288@debbugs.gnu.org

Subject: Re: bug#39288: Wrong keyboard layout to decrypt hard drive

Date: Mon, 27 Jan 2020 22:39:51 +0100

Hi,

Tobias Geerinckx-Rice <me@tobias.gr> skribis:

> Could you check whether your system configuration's
> bootloader-configuration actually contains a keyboard-layout field?
>
>       (bootloader (bootloader-configuration
>                     (bootloader grub-efi-bootloader)
>                     (target "/boot/efi")
>       -->           (keyboard-layout keyboard-layout)))

I've heard people using the French keyboard layout like this and having
an encrypted root say that GRUB (stage1) would indeed ignore the chosen
keyboard layout.  (I believe GRUB stage2, where the menu and command
line editing features are present, works fine, but that’s after the
passphrase has been entered.)

A quick search yields:

  https://superuser.com/questions/974833/change-the-keyboard-layout-of-grub-in-stage-1

… which suggests using ‘grub-mkstandalone’ (which is undocumented but
looks like a tiny superset of ‘grub-install’) and explicitly adding the
keyboard layout file to the on the command line.  Should we do that?

Problem is, ‘install-grub-efi’ isn’t passed the configuration.

Thanks,
Ludo’.

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