UEFI Secure Boot is disabled. The machine is a Macbook8,3 converted to a pure
Linux box, however. So, the EFI firmware might be damaged. Thank you for the
clarification.
In order to disable the (not properly supported) discrete graphics card, I
need to execute the mentioned outb commands.
On Thu, May 20, 2021 at 06:13:16PM +0200, Marco Kühnel wrote:
> After a fresh install of debian buster a grub.cfg containing an outb command
> throws the error "outb command not found" (and, in my case,
> cannot start lightdm thereafter). This problem does not appear when
> downgrading all
Package: grub-efi-amd64
Version: 2.02+dfsg1-20+deb10u4
Severity: important
Tags: d-i
After a fresh install of debian buster a grub.cfg containing an outb command
throws the error "outb command not found" (and, in my case,
cannot start lightdm thereafter). This problem does not appear when
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