[<0>] ops_run_io+0x40/0xd80 [raid456] [<0>] handle_stripe+0xc32/0x2230 [raid456] [<0>] handle_active_stripes.isra.71+0x3b8/0x590 [raid456] [<0>] raid5d+0x392/0x5b0 [raid456] [<0>] md_thread+0x94/0x150 [md_mod] [<0>] kthread+0x112/0x130 [<0>] ret_from_fork+0x22/0x40