64 bit tinycore kernel hardware compatibility

kernel machine compatible? reason? processor
3.0.21-tinycore64 lenovo ThinkPad T510 no won't boot: “Fixing recursive fault but reboot is needed!” Intel(R) Core(TM) i7 CPU M 620 @ 2.67GHz (4 cores)
3.0.3-tinycore64 lenovo ThinkPad T510 yes :) Intel(R) Core(TM) i7 CPU M 620 @ 2.67GHz (4 cores)