Apr  6 17:34:05 avlnxperf kernel: INFO: task fdisk:27745 blocked for more than 120 seconds.
Apr  6 17:34:05 avlnxperf kernel:      Tainted: G    B      OE   4.11.0-rc4-newblk-ae+ #4
Apr  6 17:34:05 avlnxperf kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr  6 17:34:05 avlnxperf kernel: fdisk           D    0 27745  27743 0x00000080
Apr  6 17:34:05 avlnxperf kernel: Call Trace:
Apr  6 17:34:05 avlnxperf kernel: __schedule+0x289/0x8f0
Apr  6 17:34:05 avlnxperf kernel: schedule+0x36/0x80
Apr  6 17:34:05 avlnxperf kernel: schedule_timeout+0x249/0x300
Apr  6 17:34:05 avlnxperf kernel: ? sched_clock_cpu+0x11/0xb0
Apr  6 17:34:05 avlnxperf kernel: ? try_to_wake_up+0x59/0x450
Apr  6 17:34:05 avlnxperf kernel: wait_for_completion+0x121/0x180
Apr  6 17:34:05 avlnxperf kernel: ? wake_up_q+0x80/0x80
Apr  6 17:34:05 avlnxperf kernel: flush_work+0x11d/0x1c0
Apr  6 17:34:05 avlnxperf kernel: ? wake_up_worker+0x30/0x30
Apr  6 17:34:05 avlnxperf kernel: __cancel_work_timer+0x10e/0x1d0
Apr  6 17:34:05 avlnxperf kernel: ? kobj_lookup+0x10d/0x160
Apr  6 17:34:05 avlnxperf kernel: cancel_delayed_work_sync+0x13/0x20
Apr  6 17:34:05 avlnxperf kernel: disk_block_events+0x77/0x80
Apr  6 17:34:05 avlnxperf kernel: __blkdev_get+0x11b/0x4b0
Apr  6 17:34:05 avlnxperf kernel: blkdev_get+0x1c3/0x320
Apr  6 17:34:05 avlnxperf kernel: blkdev_open+0x5b/0x70
Apr  6 17:34:05 avlnxperf kernel: do_dentry_open+0x213/0x330
Apr  6 17:34:05 avlnxperf kernel: ? bd_acquire+0xd0/0xd0
Apr  6 17:34:05 avlnxperf kernel: vfs_open+0x4f/0x70
Apr  6 17:34:05 avlnxperf kernel: ? may_open+0x9b/0x100
Apr  6 17:34:05 avlnxperf kernel: path_openat+0x557/0x13c0
Apr  6 17:34:05 avlnxperf kernel: ? generic_file_read_iter+0x746/0x8c0
Apr  6 17:34:05 avlnxperf kernel: ? scsi_bios_ptable+0x54/0x130
Apr  6 17:34:05 avlnxperf kernel: do_filp_open+0x91/0x100
Apr  6 17:34:05 avlnxperf kernel: ? __alloc_fd+0x46/0x170
Apr  6 17:34:05 avlnxperf kernel: do_sys_open+0x124/0x210
Apr  6 17:34:05 avlnxperf kernel: ? __audit_syscall_exit+0x209/0x290
Apr  6 17:34:05 avlnxperf kernel: SyS_open+0x1e/0x20
Apr  6 17:34:05 avlnxperf kernel: do_syscall_64+0x67/0x180
Apr  6 17:34:05 avlnxperf kernel: entry_SYSCALL64_slow_path+0x25/0x25
Apr  6 17:34:05 avlnxperf kernel: RIP: 0033:0x7faef86b0a10
Apr  6 17:34:05 avlnxperf kernel: RSP: 002b:00007fffa7159438 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
Apr  6 17:34:05 avlnxperf kernel: RAX: ffffffffffffffda RBX: 0000000000b34310 RCX: 00007faef86b0a10
Apr  6 17:34:05 avlnxperf kernel: RDX: 00007fffa7159598 RSI: 0000000000080000 RDI: 00007fffa7159590
Apr  6 17:34:05 avlnxperf kernel: RBP: 00007fffa7159590 R08: 00007faef8610938 R09: 0000000000000008
Apr  6 17:34:05 avlnxperf kernel: R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
Apr  6 17:34:05 avlnxperf kernel: R13: 0000000000b34550 R14: 0000000000000005 R15: 0000000000000000