Incorrect keyboard layout in GRUB stage1 to enter the LUKS passphrase

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3 participants
  • Damien Cassou
  • Ludovic Courtès
  • Tobias Geerinckx-Rice
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unassigned
Submitted by
Damien Cassou
Severity
important
Merged with

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Damien Cassou wrote on 26 Jan 2020 03:41
Wrong keyboard layout to decrypt hard drive
(address . bug-guix@gnu.org)
877e1e5trx.fsf@cassou.me
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
T
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Tobias Geerinckx-Rice wrote on 26 Jan 2020 04:24
(address . 39288@debbugs.gnu.org)
877e1epfro.fsf@nckx
Damien,

Damien Cassou 写道：
Toggle quote (7 lines)
> 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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Ludovic Courtès wrote on 26 Jan 2020 08:10
control message for bug #39288
(address . control@debbugs.gnu.org)
87imky6vw7.fsf@gnu.org
severity 39288 important
quit
L
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Ludovic Courtès wrote on 27 Jan 2020 13:39
Re: bug#39288: Wrong keyboard layout to decrypt hard drive
(name . Tobias Geerinckx-Rice)(address . me@tobias.gr)(address . 39288@debbugs.gnu.org)
87o8uofujc.fsf@gnu.org
Hi,

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

Toggle quote (8 lines)
> 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:


… 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’.
L
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Ludovic Courtès wrote on 21 Feb 2020 06:01
control message for bug #39288
(address . control@debbugs.gnu.org)
87d0a8niow.fsf@gnu.org
merge 39288 39632
quit
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Ludovic Courtès wrote on 3 Apr 2020 08:20
(address . control@debbugs.gnu.org)
87pncok34m.fsf@gnu.org
retitle 39288 Incorrect keyboard layout in GRUB stage1 to enter the LUKS passphrase
quit
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