The latest version of plymouth in your PPA DOESN'T resolves the issue for me. After upgrading plymouth from ppa:cyphermox/ppa nothing changed
plymouth: Installed: 0.9.3-1ubuntu11~mtrudel4 Candidate: 0.9.3-1ubuntu11~mtrudel4 Version table: *** 0.9.3-1ubuntu11~mtrudel4 500 500 http://ppa.launchpad.net/cyphermox/ppa/ubuntu cosmic/main amd64 Packages 100 /var/lib/dpkg/status 0.9.3-1ubuntu10 500 500 http://us.archive.ubuntu.com/ubuntu cosmic/main amd64 Packages ** Attachment added: "_sbin_plymouthd.0.crash.txt" https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1794292/+attachment/5210533/+files/_sbin_plymouthd.0.crash.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1794292 Title: plymouthd crashed with SIGSEGV in /sbin/plymouthd:11 in ply_renderer_set_handler_for_input_source -> ply_keyboard_stop_watching_for_renderer_input -> ply_keyboard_stop_watching_for_input -> ply_device_manager_deactivate_keyboards -> on_deactivate To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1794292/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs