Thanks, I put it in the attachment, this time there are many gnome shell related errors.
** Attachment added: "prevboot.txt" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1970043/+attachment/5583940/+files/prevboot.txt -- 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/1970043 Title: freeze occurs when wayland is connected to a second monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1970043/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs