Hello intrepid X adventurers! The wonderful world of i8xx freezes probably needs no introduction. What does need introduction is the xserver-xorg-video-intel driver in ppa:raof/aubergine¹. This construction of Chris Wilson's re-introduces a GEM-less UMS codepath, which should work around the GTT incoherency problems.
This needs testing — on *all* Intel chips, not just i8xx — to both ensure that it doesn't break current chips and that the UMS codepath works successfully, and doesn't hit the same i8xx bugs that the current driver hits. Once we've tested this successfully we can throw a lot of Tested-bys at the code and help Chris push it to mainline. If you test this, please respond to this email — drop a quick mail if it works fine, or describe what's broken if it doesn't. [1]: https://edge.launchpad.net/~raof/+archive/aubergine
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