Hi, Attached config seems to yield following crash ~5 seconds from kernel init on Lenovo X201. Any pointers? Sorry for horrible output, its manually copied from console. call_timer_fn 0x73/0x160 <--- EIP hits 0 usleep_range 0x40/0x40 run_timer_softirq 0x1d5/0x220 .. call_timer_fn: .. 0xc1060348 <+104>: lea %ds:0x0(%esi,%eiz,1),%esi 0xc106034d <+109>: mov -0x2c(%ebp),%eax 0xc1060350 <+112>: call *-0x28(%ebp) 0xc1060353 <+115>: lea %ds:0x0(%esi,%eiz,1),%esi -- Janne