AFAICS from the gnome bug, this is a bug in Totem and not in the video driver. Except your error message in kern.log which comes from the drm/radeon module in the kernel.
** Changed in: totem (Ubuntu) Sourcepackagename: xserver-xorg-video-ati => totem -- Leaving Fullscreen in Totem causes second monitor to be disabled https://bugs.launchpad.net/bugs/146590 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs