** Description changed: - I reported that against mutter, but it can be gnome-shell as well. Or - Intel driver/Kernel related. It happens since I switched to Impish, - never saw that before. + I reported that against mutter, but it can be gnome-shell as well, or + even Intel driver/kernel related. It happens since my switch to Impish, + I have never seen that issue before. - Intel HD graphics 400 onboard. + Integrated Intel HD graphics 400 onboard. + STEPS to reproduce: + 1) Move the mouse pointer to the left edge of the screen + 2) See that everything works as expected + 3) Open an app so that the window comes up, eg. "Files" + 4) Move the mouse pointer to the left edge again. + 5) See that the screen goes black for a second, but the mouse pointer stays visible. - STEPS to reproduce: - 1) Move Mouse pointer to the left edge of the screen - 2) See that everything works as expected - 3) Start an app so that the window comes up, eg. "Files" - 4) Move the Mouse pointer to the left edge again. - 5) See that the Screen goes black for a second, but the mouse pointer stays visible. + Observation 1: At first I thought that it was related to dash-to-dock + because moving the mouse to the area where I used to have the dock + exhibits the flicker (I moved it to bottom for GNOME 40). But it turns + out that it doesn't matter: I can turn off the extension completely or + move it back to the left and the flicker always occurs. - Observation 1: At first I thought that it was related to dash-to dock - since moving the mouse to the area where I used to have the dock - exhibits the flicker (I had moved it to bottom for GNOME 40). But it - turns out that it doesn't matter: I can turn off the extension - completely or move it back to the left and the flicker always occurs. - - Observation 2: I doesn't happen without any window onscreen. Having a + Observation 2: It doesn't happen without any window onscreen. Having a program minimized to the dock doesn't suffice to exhibit the bug. I have - to bring up the window and then it shows. Fun Fact 1: "Files" exhibits - it more "aggresive" than "Terminal". + to bring up the window and then the bug shows up. Fun Fact 1: "Files" + exhibits it more "aggresively" than "Terminal". It is easier to trigger. + With gnome-terminal I sometimes can hit the edge with the pointer + without triggering the glitch. Observation 3: I cannot record the issue: Recording a screencast via - "Ctrl-Alt-Shift-R" doesn't work. When recording the screencast the issue - doesn't happen. + "Ctrl-Alt-Shift-R" doesn't work. Well, the screencasting itself does + work, but when recording the screencast the glitch simply doesn't + happen. - I am a bit lost further debugging this, any help is highly welcome. + I am a bit lost further debugging this, any help is highly welcome. I + guess that my observations rather hint at mutter being to blame. ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: mutter 40.2.1-1ubuntu1 ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1 Uname: Linux 5.13.0-14-generic x86_64 ApportVersion: 2.20.11-0ubuntu68 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Wed Sep 8 23:03:53 2021 InstallationDate: Installed on 2018-02-23 (1293 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180214) SourcePackage: mutter UpgradeStatus: No upgrade log present (probably fresh install)
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1943083 Title: screen flashes black (mouse pointer stays visible) when moving mouse pointer to the left edge of the screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1943083/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
