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Ubuntu • RealVNC and upgrade from Ubuntu 23.10 to 24.04 on RPI4: the problem and solution

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Hello guys,

Using RealVNC since Ubuntu 22.04 on my RPI4 I faced an issue during the 24.04 upgrade process and would like to share the simple resolution.

My RealVNC setup is described in my post here (how to install and config to apply
viewtopic.php?p=2011220#p2011220
Ubuntu and RealVNC were fully updated before the 24.04 upgrade

The issue
No desktop after the smooth upgrade, by direct connection or RealVNC. The desktop was not rendered simply.

The solution
The config.txt or the RPI4 has the below line commented (check my setup in the above link)

Code:

#dtoverlay=vc4-kms-v3d
It seems it not enough now, fkms is not the failback and need to be mentioned. The below line was added to the one commented above

Code:

dtoverlay=vc4-fkms-v3d
The direct connection and RealVNC were fine after, and still are after a couple of days (24/7 setup).

Statistics: Posted by shamael — Fri Jul 26, 2024 8:53 am



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