It sounds like gnome-shell is frozen/crashed and Xorg is still running. Please:
1. Remove any gnome-shell extensions you may have installed and log out and in again. 2. If the problem still happens, check the Extensions app and disable all extensions. Then log out and in again. 2. If the problem still happens, please follow these steps: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1904671 Title: After a certain amount of time after the session is launched, mouse clicks are no longer accepted Status in gnome-shell package in Ubuntu: Incomplete Bug description: X11, Wayland, the Gnome Desktop does not recognize mouse clicks and drags after several tens of minutes after launching. However, it does recognize the movement of the mouse cursor. [How To Reploduce] 1. login in a Gnome session. 2. launch some applications. 3. use it for a few dozen minutes. 4. attempt to click and drag with a mouse or other pointing device. [Actual Result] I can no longer select mouse click application windows, activity buttons, dashes, etc. [Expect Result] I will accept mouse clicks until the end of the session, and possibly hope that the event is executed when the click is made. ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: ubuntu-release-upgrader-core 1:20.10.13 ProcVersionSignature: Ubuntu 5.8.0-28.30-lowlatency 5.8.14 Uname: Linux 5.8.0-28-lowlatency x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu50.1 Architecture: amd64 CasperMD5CheckResult: skip CrashDB: ubuntu CurrentDesktop: ubuntu:GNOME Date: Wed Nov 18 13:29:28 2020 InstallationDate: Installed on 2018-05-20 (913 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=ja_JP.UTF-8 SHELL=/usr/bin/fish RebootRequiredPkgs: gnome-shell linux-image-5.8.0-29-lowlatency linux-base linux-image-5.8.0-29-generic linux-base SourcePackage: ubuntu-release-upgrader Symptom: dist-upgrade UpgradeStatus: Upgraded to groovy on 2020-10-25 (23 days ago) VarLogDistupgradeAptclonesystemstate.tar.gz: Error: command ['pkexec', 'cat', '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'] failed with exit code 126: Error executing command as another user: Request dismissed VarLogDistupgradeApttermlog: Error: [Errno 13] 許可がありません: '/var/log/dist-upgrade/apt-term.log' VarLogDistupgradeTermlog: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1904671/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
