Here's the reproduction with drm.debug=6. Thanks so much for your continuing efforts!
** Attachment added: "sna.dmesg" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1161112/+attachment/3684838/+files/sna.dmesg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1161112 Title: Raring regression: SNA fails completely; UXA causes random hangs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1161112/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs