So we know we have something different. Can you try booting [still with the overlay branch, as it that rules out several known bugs] with i915.modeset=1. i.e. skip loading of the VESA fb, and attach a fresh drm.debug=0xe dmesg?
So we know we have something different. Can you try booting [still with the overlay branch, as it that rules out several known bugs] with i915.modeset=1. i.e. skip loading of the VESA fb, and attach a fresh drm.debug=0xe dmesg?