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From: Nikos Chantziaras <realnc@gmail.com>
Subject: [gentoo-user] Re: No text scrolling at boot
Date: Thu, 14 Dec 2023 17:34:57 +0200
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References: <2ba00b8a-4f7f-6a33-cbae-f720b2dab228@sys-concept.com>
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On 13/12/2023 21:29, thelma@sys-concept.com wrote:
> When gentoo boots grub display only kernel selection on the screen, 
> hitting "Enter" there is not kernel line scrolling,
> only the login screen after few seconds: graphical login, user and 
> password.
> Which parameter controls it. is it grub?
> 
> In /etc/default/grub
> ...
> #GRUB_CMDLINE_LINUX_DEFAULT=""
> GRUB_GFXMODE=1024x768x32
> GRUB_GFXPAYLOAD_LINUX=keep
> 
> framebuffer settings in the kernel configuration under "Device Drivers" 
> -> "Graphics support" -> "Support for frame buffer devices."
> is build IN.

Enable the EFI frame buffer and rebuild the kernel. You should probably 
also use the native resolution of your monitor GRUB_GFXMODE. And also 
use "auto" as a fallback. For my 1440p display, I use:

GRUB_GFXMODE=2560x1440x32,auto