** Summary changed: - [DisplayLink] screen flicker on gnome with t450s with ultra dock + [DisplayLink] screen flicker on gnome with t450s with ultra dock when using HDMI (but not DisplayPort)
** Description changed: - picture on monitor connected to DisplayPort flickers occasionally. between 1 and 20 times per hour. - searched for similar bugs or problems, related to docking station. Does not happen when using laptop standalone / connect screen manually. + picture on monitor connected by DisplayLink flickers occasionally. between 1 and 20 times per hour. + searched for similar bugs or problems, related to docking station. Does not happen when using laptop standalone / connect screen manually. DisplayLink Driver is installed/compiled from official website. whenever the flickering happens, this appears in log: "libinput error: client bug: timer event20 debounce short: scheduled expiry is in the past (-10ms), your system is too slow" - anything I can contribute? fix? + anything I can contribute? fix? I tried to get daily builds of intel-driver but that broke wayland/gdm so I rolled back. only link I could find that seems relevant is https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667 - which expired. thanks - Andreas ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: mutter 3.36.7+git20201123-0.20.04.1 ProcVersionSignature: Ubuntu 5.8.0-45.51~20.04.1-generic 5.8.18 Uname: Linux 5.8.0-45-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.16 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: GNOME Date: Thu Mar 18 16:18:08 2021 InstallationDate: Installed on 2021-03-13 (5 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) SourcePackage: mutter UpgradeStatus: No upgrade log present (probably fresh install) ** Changed in: evdi (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1920036 Title: [DisplayLink] screen flicker on gnome with t450s with ultra dock when using HDMI (but not DisplayPort) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evdi/+bug/1920036/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
