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Originally this post was about asking if others had successfully ran Desktop Environments (DE) using Ubuntu 19.10 (Eoan Ermine) ARM 64 on a Raspberry Pi 4 Model B as I experienced a few problems, namely:

  • USB did not work initially
  • Xubuntu just started into a blank screen
  • Wifi connected and leased an address but there was no connectivity
  • No audio output

Since the original post, comments by @guiverc (thank you) and tomreyz IRC #xbuntu and other research I have fixes for the problems I experienced. As far as I am aware there are no outstanding issues and I have a fully functional desktop.

I can confirm that with few tweaks the desktops, xubuntu and probably lubuntu should work fine on Ubuntu 19.10 ARM 64.

Ubuntu 19.10 ARM 64 (server) image works with the published patch (for the USB problem) https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1848703 although there was still apart a problem with the WiFi (see Wifi fix below).

Lubuntu package: Seems to install and work OK. (I have not retested with WiFi fix as my preference is probably the Xubuntu desktop)

Xubuntu package: Just started/booted to a blank screen but the workaround is to replace the default Xubuntu greeter with the slick-greeter (see comments and https://bluesabre.org/2019/10/20/install-xubuntu-19-10-on-a-raspberry-pi-4/)

The WiFi problem experienced was an IP address is be leased but there was no connectivity over IP. Applying the latest WiFi firmware fixed the problem: see https://wiki.ubuntu.com/ARM/RaspberryPi

There was no audio output (though my HDMI monitor). No output devices were found with:

aplay -l

Adding the following line to /boot/firmware/usercfg.txt and rebooting, fixed the audio:

dtparam=audio=on
  • When you mention Lubuntu & Xubuntu - where did you get the images from? as officially I'm not aware of any. Sean Davis of Xubuntu has written how to install Xubuntu on 19.10 for rp.4 (where the process applies equally for other flavors), and I'm not aware of any Lubuntu (but given it's the same base as 19.10 server I can't see that it would be any different) – guiverc Nov 4 at 4:15
  • Apologies, to clarify: the desktops are the desktop packages not the images. i.e. installed the rpi Ubuntu 19.10 image, then running either sudo apt install xubuntu-desktop or sudo apt install lubuntu-desktop as per: wiki.ubuntu.com/ARM/RaspberryPi Thanks for the tip re the Sean Davis post. I hadn't seen that (I assume bluesabre.org/2019/10/20/…) I'll check it out. As Sean's method is similar to what I'll just try the workaround with the greeter. Many thanks for the tip. – Steve Nov 4 at 4:34
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    @guiverc thanks for the tip to Sean's post, that nailed it! The default Xubuntu greeter was the problem! Xubuntu works using the slick greeter! The same WiFi problem exists so this must be related to the Ubuntu 19.10 server image. and not Lubuntu. I just need to find a fix for that. Over Ethernet IP connectivity is no problem. – Steve Nov 4 at 4:49
  • I suggest editing your question and add details of what you need there. Not everyone reads comments so that's where you want your question about wifi. And yes bluesabre is the Sean Davis I meant, how he appears on irc – guiverc Nov 4 at 5:34

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