my HW: Lenovo X201, cpu+gpu: CPU0: Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz (family: 0x6, model: 0x25, stepping: 0x5) .
So it seems not related to drivers.
my HW: Lenovo X201, cpu+gpu: CPU0: Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz (family: 0x6, model: 0x25, stepping: 0x5) .
So it seems not related to drivers.