Re: lfs 12.3-rc1: 10.4. Using GRUB to Set Up the Boot Process

On 22.02.25 07:07, Bruce Dubbs ([email protected] via lfs-support Mailing List) wrote:
> On 2/21/25 11:20 PM, Hans Meier ([email protected] via lfs-support Mailing List) wrote:
>> Hello,
>>
>> In '10.4.4. Creating the GRUB Configuration File' a new configuration
>> parameter has been added: set gfxpayload=1024x768x32
>>
>> Using qemu on the final image results in a black screen unfortunately.
>> Without this parameter everything works fine.
>>
>> qemu-system-x86_64 -m 800 -drive file=image.img
>>
>> Was there any particular reason adding this parameter end of October 2024?
> 
> It's in the command explanations.
> 
> The set gfxpayload=1024x768x32 command sets the
> resolution and color depth of the VESA framebuffer to be passed to the
> kernel.  It's necessary for the kernel SimpleDRM driver to use the
> VESA framebuffer.  You can use a different resolution or color depth
> value which better suits for your monitor.
> 
> You do not have qemu set up to support this.  You can try passing
> -vga std to qemu or just remove the gfxpayload line.
> 
> Also see https://www.gnu.org/software/grub/manual/grub/html_node/gfxpayload.html
> 
>   -- Bruce
> 
> 
> 

'-vga std' on qemu seems not to work for me still a black screen. So I have
to skip the gfxpayload line. Maybe a note in the documentation would be helpful.

Thank you so the quick response.

Regards,
  Hans

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