Removing the package "gstreamer1.0-vaapi" solved the issue for me, too.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745345 Title: Xorg assert failure: Xorg: /usr/include/xorg/privates.h:122: dixGetPrivateAddr: Assertion `key->initialized' failed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gstreamer-vaapi/+bug/1745345/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
