Thanks for the bug report. I have encountered the same problems myself this week when stress testing parts of gnome-shell. But those parts and the cause might be different to yours. So please run:
apport-collect 1825197 to send us more information about the system. ** Tags added: cosmic ** Changed in: gnome-shell (Ubuntu) Importance: Undecided => High ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1825197 Title: system unresponse for several seconds a couple of times per hour [Attempting to call back into JSAPI during the sweeping phase of GC...] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1825197/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs