Thanks for your report. You still have these packages installed that are not from an official Ubuntu repository and are blocking the upgrade:
libegl1-mesa-drivers 17.2~git1707131930.655a32~gd~x libva-drm1 1.7.1-2~gd~x libva-x11-1 1.7.1-2~gd~x libva1 1.7.1-2~gd~x xserver-xorg-video-amdgpu 1.3.99+git1706301934.e90721~gd~x xserver-xorg-video-ati 1:7.9.99+git1707131934.94dc2b~gd~x xserver-xorg-video-intel 2:2.99.917+git1706071933.6babcf~gd~x xserver-xorg-video-nouveau 1:1.0.15+git1706131933.69aecd~gd~x xserver-xorg-video-radeon 1:7.9.99+git1707131934.94dc2b~gd~x Please revert to the version from the official repository before attempting to upgrade again. Don't hesitate to file any bug you may find. ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762140 Title: [Mate]upgrade error attempt 2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1762140/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs