Lubuntu 22.04 beta still using Xorg instead of Wayland

[Hadmut Danisch]

Hi,

I'm just doing several tests with Ubuntu/Lubuntu 22.04 beta.

I'm using a computer with Intel Graphics Adapter (Shuttle PC, graphics in CPU), and with Ubuntu Desktop 22.04 beta it runs Wayland, so in general, Ubuntu 22.04 is able to run wayland on this particular machine.

But when installing Lubuntu 22.04 beta with it's installer, both in the installation environment booting the iso file, and in the installed image, it still runs Xorg, although several wayland packages are installed.

The login screen offers just the three sessions "Lubuntu", "LXQt Desktop", and "Openbox", no choice of a wayland session.

As far as I know, Lubuntu had announced to use wayland since 20.10, and in general, Ubuntu should use Wayland on 22.04.

No idea, where to find debugging info.

Xorg's parent process is the display manager sddm, so for some reason it starts Xorg instead of wayland.

As far as I can see and find in the ~/.xsession-errors, something sets the XDG_SESSION_TYPE environment variable to x11 instead of wayland. But I have not yet figured out, where this is set.

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Libera.chat.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1967642/+editstatus and add the package name in the text box next to the word Package.

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[Chris Guiver (guiverc)]

Thank you for taking the time to report this bug and helping to make Ubuntu better.

Lubuntu uses LXQt or the X.org version and doesn't support Wayland.

Lubuntu doesn't support LWQt; which currently is suitable only for testing purposes; see https://github.com/lxqt/lxqt/issues/10

At no time have Lubuntu provided any advice or mention of supporting Wayland, beyond we're watching what upstream do in the open issue, and when it's ready for more than just testing, we'll evaluate what we do then.

[Hadmut Danisch (hadmut)]

> At no time have Lubuntu provided any advice or mention of supporting Wayland,

Which is provably wrong.

Years ago Lubuntu commited to start using Wayland with Ubuntu 20.10:

https://lubuntu.me/lubuntu-development-newsletter-9/

says

"Lubuntu is switching to Wayland

Lubuntu will be switching to Wayland by default for 20.10."

[Chris Guiver (guiverc)]

You are correct, and I stand corrected.

The Lubuntu Development Newsletter #9 was posted by Simon Quigley who was on the Lubuntu Council for some time, retiring only recently.

Alas if you look at the issue 10 using the link I provided (an issue raised in 2014) the LWQt project hasn't advanced to the point where it's seen as being stable yet. Yes it's slowly improved with some developers have no issues earlier this year, yet others having issues with the same code on different hardware, as such it's not seen as something the small Lubuntu team can currently support.

For now we (Lubuntu) are a LXQt desktop, and do not support LWQt.

We do not know when this will change, even though into the future Wayland will replace Xorg; ie. LXQt will get replaced by LWQt, but when that will occur is unknown. It cannot occur for 22.04, and I don't see it happening in 22.10, beyond that we'll have to wait and see. For now Lubuntu is LXQt only.

Thank you for the reminder (of Simon's newsletter #9) & correction.