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Our infrastructure migration is complete. Please remember to update your SSH remote to point to ssh.gitlab.freedesktop.org; SSH to the old hostname will time out. You should not see any problems apart from that. Please let us know if you do have any other issues.
We still aren't sure what HW restrictions these regions are violating but it's most likely something weird with compressed instructions on older hardware. This fixes a number of Vulkan CTS tests on gen7 and probably fixes other bugs in GL that we just haven't seen yet.