I've uploaded a fix. Not fully understanding the actual cause yet, so probably needs another tweak.
commit b129b434f98b9d875e44af206f6901de9bf28334 Author: Chris Wilson <[email protected]> Date: Fri Feb 22 12:10:20 2013 +0000 sna: Optimise mmap of GPU bo for read-read operations Signed-off-by: Chris Wilson <[email protected]> commit 19bd005056a2083de64753681b96716996e4237d Author: Chris Wilson <[email protected]> Date: Fri Feb 22 12:05:04 2013 +0000 sna: Avoid migrating and making the GPU bo busy prior to mmapping it References: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-int Signed-off-by: Chris Wilson <[email protected]> ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1131134 Title: Visual artifacts are displayed with intel video driver (Ivy bridge) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1131134/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
