I am another reporter seeing the same problem, this time in 4.2.0-rc7-00071-g0bad909 with no kernel options for drm or i915, so 4.2-rc7 does not cure it.
I do not have dmesg with drm_debug yet, will see if I can reproduce it at will (so fast I have seen it once).
I am another reporter seeing the same problem, this time in 4.2.0-rc7- 00071-g0bad909 with no kernel options for drm or i915, so 4.2-rc7 does not cure it.
I do not have dmesg with drm_debug yet, will see if I can reproduce it at will (so fast I have seen it once).