The log file is absolutely flooded with errors like: May 9 08:53:48 volga gnome-shell[3395]: Attempting to call back into JSAPI during the sweeping phase of GC. This is most likely caused by not destroying a Clutter actor or Gtk+ widget with ::destroy signals connected, but can also be caused by using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked and the JS callback not invoked. May 9 08:53:48 volga gnome-shell[3395]: The offending signal was notify on MetaDisplay 0x555ad20ba000. May 9 08:53:48 volga gnome-shell[3395]: Attempting to call back into JSAPI during the sweeping phase of GC. This is most likely caused by not destroying a Clutter actor or Gtk+ widget with ::destroy signals connected, but can also be caused by using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked and the JS callback not invoked. May 9 08:53:48 volga gnome-shell[3395]: The offending signal was notify on MetaDisplay 0x555ad20ba000. May 9 08:53:48 volga gnome-shell[3395]: Attempting to call back into JSAPI during the sweeping phase of GC. This is most likely caused by not destroying a Clutter actor or Gtk+ widget with ::destroy signals connected, but can also be caused by using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked and the JS callback not invoked. May 9 08:53:48 volga gnome-shell[3395]: The offending signal was notify on MetaDisplay 0x555ad20ba000. May 9 08:53:48 volga gnome-shell[3395]: Attempting to call back into JSAPI during the sweeping phase of GC. This is most likely caused by not destroying a Clutter actor or Gtk+ widget with ::destroy signals connected, but can also be caused by using the destroy(), dispose(), or remove() vfuncs. Because it would crash the application, it has been blocked and the JS callback not invoked. May 9 08:53:48 volga gnome-shell[3395]: The offending signal was notify on MetaDisplay 0x555ad20ba000.
-- 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/1877712 Title: Severe performance degradation in Gnome Shell after upgrade to 20.04 Status in gnome-shell package in Ubuntu: New Bug description: Severe performance degradation in Gnome Shell after upgrade to 20.04 - everything is slow, even moving the mouse through a right-click menu has a severely delayed selection animation. Video displaying the problem: https://drive.google.com/open?id=1rAKN- ZKks6o9d37hQMbnMgNeAOy8VZyp ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.36.1-5ubuntu1 ProcVersionSignature: Ubuntu 5.4.0-29.33-generic 5.4.30 Uname: Linux 5.4.0-29-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat May 9 08:57:02 2020 DisplayManager: lightdm EcryptfsInUse: Yes InstallationDate: Installed on 2017-02-15 (1178 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) RelatedPackageVersions: mutter-common 3.36.1-3ubuntu3 SourcePackage: gnome-shell UpgradeStatus: Upgraded to focal on 2020-05-07 (1 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1877712/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
