Thanks. We will need to see more of the problem than the short extract provided so far:
==============================journalctl_extract.txt==================================== juil. 16 21:47:45 portable-ldlc gnome-shell[1165]: Failed to apply DRM plane transform 0: Permission non accordée juil. 16 21:47:47 portable-ldlc gnome-shell[1165]: WL: error in client communication (pid 1165) juil. 16 21:47:47 portable-ldlc org.gnome.Shell.desktop[1165]: (EE) juil. 16 21:47:47 portable-ldlc org.gnome.Shell.desktop[1165]: Fatal server error: juil. 16 21:47:47 portable-ldlc org.gnome.Shell.desktop[1165]: (EE) wl_drm@4: error 0: authenicate failed juil. 16 21:47:47 portable-ldlc org.gnome.Shell.desktop[1165]: (EE) juil. 16 21:47:48 portable-ldlc systemd[1]: systemd-hostnamed.service: Succeeded. juil. 16 21:47:50 portable-ldlc gnome-shell[1165]: X Wayland crashed; exiting ... Please reintroduce the bug and then collect the whole log from journalctl. If the bug has occurred during the current boot then run: journalctl -b0 > curboot.txt Or if the problem occurred during the previous boot then run: journalctl -b-1 > prevboot.txt and attach the resulting file. Also, since "X Wayland crashed", please follow these instructions to help us track that down: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment ** Also affects: xorg-server (Ubuntu) Importance: Undecided Status: New ** Changed in: xorg-server (Ubuntu) Status: New => Incomplete ** No longer affects: gdm3 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1836805 Title: screen frozen after reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1836805/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs