Public bug reported:
1) Ubuntu Version: MATE 25.04 -> 25.10
2) N/A?
3) What was expected: a smooth upgrade.
4) When upgrading to Quokka with MATE Desktop Environment from 25.04 on
a Steam Deck, all the packages referring to X11 are removed during the
process.
As a result, this breaks lightdm, and only console sessions are
possible.
Also, xinput is also removed, so I had a script reconfiguring the
touchscreen that broke.
The workarounds:
sudo apt install lightdm
sudo dpkg-reconfigure lightdm
sudo shutdown -r now
This does NOT happen with devices whose GPU is NVidia-branded.
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
1) Ubuntu Version: MATE 25.04 -> 25.10
2) N/A?
3) What was expected: a smooth upgrade.
4) When upgrading to Quokka with MATE Desktop Environment from 25.04 on
- a Steam Deck, all the packages referring to X.org are removed during the
+ a Steam Deck, all the packages referring to X11 are removed during the
process.
As a result, this breaks lightdm, and only console sessions are
possible.
Also, xinput is also removed, so I had a script reconfiguring the
touchscreen that broke.
The workarounds:
sudo apt install lightdm
sudo dpkg-reconfigure lightdm
sudo shutdown -r now
This does NOT happen with devices whose GPU are NVidia-branded.
** Description changed:
1) Ubuntu Version: MATE 25.04 -> 25.10
2) N/A?
3) What was expected: a smooth upgrade.
4) When upgrading to Quokka with MATE Desktop Environment from 25.04 on
a Steam Deck, all the packages referring to X11 are removed during the
process.
As a result, this breaks lightdm, and only console sessions are
possible.
Also, xinput is also removed, so I had a script reconfiguring the
touchscreen that broke.
The workarounds:
sudo apt install lightdm
sudo dpkg-reconfigure lightdm
sudo shutdown -r now
- This does NOT happen with devices whose GPU are NVidia-branded.
+ This does NOT happen with devices whose GPU is NVidia-branded.
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https://bugs.launchpad.net/bugs/2127248
Title:
Upgrade to Quokka removes X.org packages with MATE on Steam Deck
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