I think this is relevant: [ 7778.863305] ricsipontaz-home gnome-shell[5678]: Window manager warning: MetaSyncRing: Sync object is not ready -- were events handled properly? [ 7778.893251] ricsipontaz-home gnome-shell[5678]: Window manager warning: MetaSyncRing: Sync object is not ready -- were events handled properly? [ 7778.921755] ricsipontaz-home gnome-shell[5678]: Window manager warning: MetaSyncRing: Sync object is not ready -- were events handled properly? [ 7778.921980] ricsipontaz-home gnome-shell[5678]: Window manager warning: MetaSyncRing: Too many reboots -- disabling
which I believe only happens with Nvidia (are you using Nvidia?). Most recently it was discussed in: https://gitlab.gnome.org/GNOME/mutter/-/issues/1561 but I also hoped I had fixed it in this proposed changed: https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1309 ** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #1561 https://gitlab.gnome.org/GNOME/mutter/-/issues/1561 ** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu) ** Also affects: mutter via https://gitlab.gnome.org/GNOME/mutter/-/issues/1561 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1908878 Title: gnome shell freezes for a couple of seconds, then it restarts (maybe it crashes?) Status in Mutter: Unknown Status in mutter package in Ubuntu: Incomplete Bug description: This is the line I always see in the log after the restart: Dec 21 09:33:55 ricsipontaz-home gsd-media-keys[5953]: Failed to grab accelerators: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.gnome.Shel l” on object at path /org/gnome/Shell ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: gnome-shell 3.38.2-1ubuntu1 ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14 Uname: Linux 5.8.0-25-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu55 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Mon Dec 21 09:56:41 2020 DisplayManager: gdm3 InstallationDate: Installed on 2020-12-04 (17 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20201203) ProcEnviron: TERM=screen-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=hu_HU.UTF-8 SHELL=/usr/bin/zsh RelatedPackageVersions: mutter-common 3.38.2-1ubuntu1 SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1908878/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
