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List:       grub-help
Subject:    Grub: memdisk, at_keyboard
From:       Dernsen <dernsen () web ! de>
Date:       2020-05-14 19:28:45
Message-ID: 638844d8-7d4e-b161-4ab7-376e7c4b67d5 () web ! de
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Hi,

i got some progress at this topic:

I added the option "--append" to "terminal_input" in grub.cfg:

"terminal_input *--append* at_keyboard"

So, the "grub standard console" *&* "at_keyboard" are active at the same
time. If I have a usb-keyboard connetcted to my notebook, the
usb-keyboard works as the "grub standard console" (US keyboard-layout)
and the internal notebook keyboard works as the "at_keyboard"
(=keyboard-layout of the memdisk as described before).

I also transferred this setup to my worksation with usb-keyboard and at
least the usb-keyboard works with the "grub standard console" (US
keyboard-layout). If i try to change within the grub-shell to
"at_keyboard" by the command:

"terminal_input at_keyboard" -> the usb-keyboard is not working anymore
-> push the power button...

It's better than nothing, but getting the "at_keyboard" with
non-US-keyboard-layout work would be pretty good. If grub offers these
functions I want to use them...




>     Hi,
>     I want setup the same keyboard layout (non  US layout) for grub-shell
>     as in the booted debian_64 (uefi) system.
>     So i created standalone grub-image with a memdisk for kbd-layout, a
>     embeded  grub.cfg with "terminal_input at_keyboard".
>     This works very good for my notebook, so I transferred it to my
>     workstation with usb-keyboard.
>     The keyboard works in uefi bootmenu, etc., but after grub takes over it
>     is not working anymore (i have to push the power button). If I remove
>     the "terminal_input at_keyboard" line of embedded grub.cfg usb-keyboard
>     works but without the embedded keyboard layout.
>     I tried to use the usb_keyboard grub-module, etc. , the outcome is
>     always the same:
>     - If the keyboard works, then just with the standard keyboard layout or
>     it is not working anymore.
>     How to get the embedded keyboard layout and the usb-keyboard working at
>     the same time?

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