That would imply you reboot before inspecting the error state (or even less likely wrote to the i915_error_state in order to clear it). That error message indicates something is wrong with rc6 - the GPU never wakes up.
That would imply you reboot before inspecting the error state (or even less likely wrote to the i915_error_state in order to clear it). That error message indicates something is wrong with rc6 - the GPU never wakes up.