[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: at_keyboard breaks rebooting of system
|
From: |
Andrei Borzenkov |
|
Subject: |
Re: at_keyboard breaks rebooting of system |
|
Date: |
Thu, 24 Mar 2016 14:10:30 +0300 |
On Thu, Mar 24, 2016 at 1:20 PM, Olaf Hering <address@hidden> wrote:
> While trying to enable a german keymap in grub2 I run into some grub2 or
> BIOS bug on my Esprimo M9400. After 'terminal_input at_keyboard' reboot
> just hangs, in grub2, Linux and Xen. Poweroff still works. In Linux the
> cursor stops blinking when the reboot is supposed to happen. In grub2
> the cursor does still blink.
>
> It looks like at_keyboard is required to get a non-US keymap in grub2.
>
> Any idea what might be the culprit, anything I can try?
>
One potential problem is that at_keyboard directly competes with BIOS
for input characters. It probably should disable BIOS keyboard
processing on i386-pc platform while is is active.
There was alternative suggestion (because at_keyboard was too
unreliable) to use extended BIOS keyboard service.
https://lists.gnu.org/archive/html/help-grub/2015-07/msg00004.html
(and thread that led to it)
... hmm ... I thought there was a followup but I cannot find it.