Description of problem:
WARNING: CPU: 0 PID: 1 at drivers/ata/libata-core.c:6482 ata_host_detach

Version-Release number of selected component (if applicable):
4.9.0-0.rc0.git1.1.fc26.x86_64

How reproducible:


Steps to Reproduce:
1.
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Actual results:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at drivers/ata/libata-core.c:6482 ata_host_detach+0x158/0x160
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.0-0.rc0.git1.1.fc26.x86_64 #1
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015
 ffffb22dc0017c00 ffffffffae468e53 0000000000000000 0000000000000000
 ffffb22dc0017c40 ffffffffae0aef7b 000019526cd20000 0000000000000286
 ffff943235a48000 0000000000000000 ffff943235937628 ffffffffaeccc5f2
Call Trace:
 [<ffffffffae468e53>] dump_stack+0x86/0xc3
 [<ffffffffae0aef7b>] __warn+0xcb/0xf0
 [<ffffffffae0af0ad>] warn_slowpath_null+0x1d/0x20
 [<ffffffffae646b98>] ata_host_detach+0x158/0x160
 [<ffffffffae646bb5>] ata_pci_remove_one+0x15/0x20
 [<ffffffffae666ea4>] piix_remove_one+0x34/0x40
 [<ffffffffae4c50d9>] pci_device_remove+0x39/0xc0
 [<ffffffffae5e55de>] driver_probe_device+0xbe/0x4d0
 [<ffffffffae5e5ad3>] __driver_attach+0xe3/0xf0
 [<ffffffffae5e59f0>] ? driver_probe_device+0x4d0/0x4d0
 [<ffffffffae5e3043>] bus_for_each_dev+0x73/0xc0
 [<ffffffffae5e4e6e>] driver_attach+0x1e/0x20
 [<ffffffffae5e4893>] bus_add_driver+0x173/0x270
 [<ffffffffaf22064a>] ? ahci_pci_driver_init+0x1b/0x1b
 [<ffffffffaf1c18cd>] ? set_debug_rodata+0x12/0x12
 [<ffffffffae5e6730>] driver_register+0x60/0xe0
 [<ffffffffaf22064a>] ? ahci_pci_driver_init+0x1b/0x1b
 [<ffffffffae4c3740>] __pci_register_driver+0x60/0x70
 [<ffffffffaf220663>] piix_init+0x19/0x29
 [<ffffffffae002190>] do_one_initcall+0x50/0x180
 [<ffffffffaf1c18cd>] ? set_debug_rodata+0x12/0x12
 [<ffffffffaf1c223b>] kernel_init_freeable+0x200/0x29c
 [<ffffffffae8ebc00>] ? rest_init+0x140/0x140
 [<ffffffffae8ebc0e>] kernel_init+0xe/0x100
 [<ffffffffae8fc8ba>] ret_from_fork+0x2a/0x40
---[ end trace 439ae87284d1083c ]---


Expected results:


Additional info: