Sad but seems to work solution: disabling SNA for old XUA method (as described here: https://wiki.archlinux.org/index.php/Intel_graphics#SNA_issues).
It seems it works better (for now) with UXA method, but it's a sad story as performance drops a little (and it is worthy...) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1432194 Title: Graphics unstable on Ubuntu 14.04 and 14.10 using Intel HD Graphics 5500 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1432194/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
