@Daniel, It should be Wayland, no nvidia card, and I could not find Xorg in 'ps -ef | grep X'. Please give it an hour or more when do testing. I could reproduce this issue on ThinkPad too.
** Attachment added: "lspci.log" https://bugs.launchpad.net/ubuntu/+source/totem/+bug/1994007/+attachment/5626378/+files/lspci.log -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to totem in Ubuntu. https://bugs.launchpad.net/bugs/1994007 Title: totem show blackscreen when playing video repeatedly To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1994007/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs