I am experiencing this same issue with a fresh install of Ubuntu 20.04 when I select wayland to log in to my desktop. It's triggering by typing. Every few seconds, the system will pause slightly before registering my keypress. It makes basic typing very frustrating.
Linux kumamoto 5.4.0-29-generic #33-Ubuntu SMP Wed Apr 29 14:32:27 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux If I open only the "Text Editor" program and start typing into it, with no other applications open, and I open a terminal window with "tail -f /var/log/syslog", I see these entries every few seconds: May 16 12:19:30 kumamoto gnome-shell[3342]: Window manager warning: last_user_time (1908107) is greater than comparison timestamp (1907948). This most likely represents a buggy client sending inaccurate timestamps in messages such as _NET_ACTIVE_WINDOW. Trying to work around... May 16 12:19:30 kumamoto gnome-shell[3342]: Window manager warning: W24 appears to be one of the offending windows with a timestamp of 1908107. Working around... This ONLY happens in wayland. It doesn't happen if I use the regular X server. ** Tags added: focal -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1841316 Title: gnome-shell freezes a few seconds using kernel 5.0.0 - Window manager warning: last_user_time is greater than comparison timestamp (but kernel 4.15 works) Status in linux package in Ubuntu: Confirmed Bug description: When I open the terminal or typing within, gnome sometimes freezes for a few seconds. This only happens when I use the kernel 5.0.0 or above. Using 4.15 kernel the terminal works well. Getting log bellow. journalctl -f: ago 24 13:20:09 desktop-ubuntu org.gnome.Shell.desktop[1826]: Window manager warning: last_user_time (468923) is greater than comparison timestamp (468215). This most likely represents a buggy client sending inaccurate timestamps in messages such as _NET_ACTIVE_WINDOW. Trying to work around... ago 24 13:20:09 desktop-ubuntu org.gnome.Shell.desktop[1826]: Window manager warning: 0x36018c2 (**@deskto) appears to be one of the offending windows with a timestamp of 468923. Working around... Description: Ubuntu 18.04.3 LTS Release: 18.04 gnome-terminal: Instalado: 3.28.2-1ubuntu1~18.04.1 Candidato: 3.28.2-1ubuntu1~18.04.1 Tabela de versão: *** 3.28.2-1ubuntu1~18.04.1 500 500 http://br.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages 100 /var/lib/dpkg/status 3.28.1-1ubuntu1 500 500 http://br.archive.ubuntu.com/ubuntu bionic/main amd64 Package Kernel: Linux desktop-ubuntu 5.0.0-27-generic #28~18.04.1-Ubuntu SMP Thu Aug 22 03:00:32 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1841316/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
