The cause seems to be in the nvidia drivers, as acknowledged by nvidia: https://devtalk.nvidia.com/default/topic/544584/linux-for- tegra/tegra-2-ac100-standard-xv-support/post/3814168/#3814168
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1178199 Title: X freeze on video playback To manage notifications about this bug go to: https://bugs.launchpad.net/ac100/+bug/1178199/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs