fwiw, my main old machine seems happier with modesetting - I'm yet to see the random artifacts I was seeing with intel; onshape, webgl, etc, seem about as good as before. This is on recent snapshot of netbsd-10.
GPU is Sandy Bridge Intel Core i7-2600 3.4GHz (Sandy Bridge-HE-4 id 0x206a7) circa Jan 2011. i915drmkms0 at pci0 dev 2 function 0: Intel Sandy Bridge (desktop) GI1 Integrated Graphics Device (rev. 0x09) -- Paul Ripke "Great minds discuss ideas, average minds discuss events, small minds discuss people." -- Disputed: Often attributed to Eleanor Roosevelt. 1948.
