I had the exact same error. I left my computer to go into suspend with vlc paused and came back with approximately 120GB of log files.
Sep 23 21:51:51 (myusermane) gnome-shell[20549]: [00007f2b143ab850] vdpau_chroma filter error: video mixer rendering failure: An invalid handle value was provided. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846374 Title: Having a video playing/paused when switched to another user generates gigabytes of error logs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/+bug/1846374/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs