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From: Liam Proven <lproven@gmail.com>
Date: Mon, 30 Jun 2025 11:35:35 +0100
Message-ID: <CAMTenCFHYHea4KAxhxPGbC1G5EFdtj9x2UT6manBVuXtDqqKGQ@mail.gmail.com>
Subject: Re: Raspberry Pi: lightdm does not start an X session
Cc: ~alpine/users@lists.alpinelinux.org
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On Mon, 30 Jun 2025 at 11:29, Ian Smith <m4r35n357@gmx.co.uk> wrote:
>
> Hi Liam ;)

Hi! :-)

> Firstly, did you know that you can switch to X11 on PiOS using
> raspi-config?

I did. I have, however, had some difficulty getting this to actually
work. I have repeatedly toggled the setting without success.

This was soon after the release of PiOS 5, though.

https://www.theregister.com/2023/11/03/raspberry_pi_os_5/

> Back to the main thing, Alpine works fine on RPi 3 & 4.  It is only PI5
> and Pi500 that I had issues with.  These were mostly display issues.

Aha. It was a Pi 5 CM in the official IO board I was trying.
> 1) X will not work without adding a snippet something like:
>
> $ cat /etc/X11/xorg.conf.d/99-vc4.conf
> Section "OutputClass"
>   Identifier "vc4"
>   MatchDriver "vc4"
>   Driver "modesetting"
>   Option "PrimaryGPU" "true"
> EndSection
>
> 2) You will also need to add a driver:
>
> $ doas apk add xf86-video-fbdev
>
> 3) Make sure you are using "full KMS" in /boot/usercfg.txt
>
> 4) There is also an issue where OpenRC messages are not displayed on 5
> & 500 - add console=3Dtty1 to /boot/cmdline.txt.
>
> If any of thsi is unclear let me know.

Thank you very much. I will try again but I am not sure when I will
have the time.

I asked about it back in March:

=C2=AB

---------- Forwarded message ---------
From: Liam Proven <lproven@gmail.com>
Date: Sat, 15 Mar 2025 at 13:28
Subject: X.org on Raspberry Pi 5
To: <~alpine/users@lists.alpinelinux.org>

=C2=BB

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