[   11.344892] snd_usb_toneport 5-2:1.0: Line 6 POD Studio UX1 found
[   11.349550] ------------[ cut here ]------------
[   11.349614] WARNING: CPU: 1 PID: 1734 at drivers/usb/core/hcd.c:1584 usb_hcd_map_urb_for_dma+0x4f0/0x560
[   11.349689] transfer buffer not dma capable
[   11.349745] Modules linked in: snd_usb_audio(+) snd_usb_toneport(+) snd_usb_line6 snd_usbmidi_lib syscopyarea sysfillrect sysimgblt kvm_amd snd_hda_codec_hdmi fb_sys_fops drm kvm k10temp pcspkr irqbypass snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep firewire_ohci asus_atk0110 parport_pc parport i2c_piix4 acpi_cpufreq vhba(O) vboxpci(O) vboxnetflt(O) vboxnetadp(O) vboxdrv(O) virtio_pci virtio_balloon virtio_ring virtio xts gf128mul aes_x86_64 sha512_generic macvlan fuse xfs nfs lockd grace sunrpc jfs reiserfs btrfs xor raid6_pq ext2 multipath raid0 md_mod hid_logitech sl811_hcd uhci_hcd firewire_core ohci_pci ohci_hcd
[   11.352424] CPU: 1 PID: 1734 Comm: systemd-udevd Tainted: G           O    4.9.6 #3
[   11.352485] Hardware name: System manufacturer System Product Name/M5A78L/USB3, BIOS 1701    04/27/2013
[   11.352563]  ffffc90003caf778 ffffffff813bfb76 ffffc90003caf7c8 0000000000000000
[   11.352791]  ffffc90003caf7b8 ffffffff81059a28 00000630000000c3 ffff880229c91a80
[   11.353010]  0000000000000000 0000000000000200 0000000000000002 ffff880228bfb800
[   11.353229] Call Trace:
[   11.353286]  [<ffffffff813bfb76>] dump_stack+0x4d/0x67
[   11.353344]  [<ffffffff81059a28>] __warn+0xd8/0x100
[   11.353402]  [<ffffffff81059a9a>] warn_slowpath_fmt+0x4a/0x50
[   11.353461]  [<ffffffff810488e0>] ? flush_gart+0x40/0x50
[   11.353519]  [<ffffffff81567610>] usb_hcd_map_urb_for_dma+0x4f0/0x560
[   11.353590]  [<ffffffff810b8543>] ? del_timer_sync+0x43/0x50
[   11.353648]  [<ffffffff81568309>] usb_hcd_submit_urb+0x309/0x9b0
[   11.353707]  [<ffffffff810b8550>] ? del_timer_sync+0x50/0x50
[   11.353766]  [<ffffffff8156982b>] usb_submit_urb+0x2db/0x540
[   11.353826]  [<ffffffff81569f65>] usb_start_wait_urb+0x65/0xf0
[   11.353884]  [<ffffffff8156a0bb>] usb_control_msg+0xcb/0x110
[   11.353945]  [<ffffffffa1216c7c>] line6_read_data+0xec/0x1f0 [snd_usb_line6]
[   11.354006]  [<ffffffffa1216d96>] line6_read_serial_number+0x16/0x20 [snd_usb_line6]
[   11.354068]  [<ffffffffa12224d6>] toneport_init+0xb6/0x21b [snd_usb_toneport]
[   11.354129]  [<ffffffffa12171a6>] line6_probe+0x246/0x450 [snd_usb_line6]
[   11.354190]  [<ffffffffa1222420>] ? line6_toneport_disconnect+0x70/0x70 [snd_usb_toneport]
[   11.354253]  [<ffffffffa1222280>] toneport_probe+0x30/0x40 [snd_usb_toneport]
[   11.354313]  [<ffffffff8156e49a>] usb_probe_interface+0x10a/0x290
[   11.354373]  [<ffffffff814ab1d6>] driver_probe_device+0x216/0x2d0
[   11.354432]  [<ffffffff814ab338>] __driver_attach+0xa8/0xb0
[   11.354491]  [<ffffffff814ab290>] ? driver_probe_device+0x2d0/0x2d0
[   11.354550]  [<ffffffff814a918f>] bus_for_each_dev+0x5f/0x90
[   11.354622]  [<ffffffff814aa9b9>] driver_attach+0x19/0x20
[   11.354680]  [<ffffffff814aa5fe>] bus_add_driver+0x1be/0x230
[   11.354738]  [<ffffffff814abb6b>] driver_register+0x5b/0xd0
[   11.354797]  [<ffffffff8156d12c>] usb_register_driver+0x8c/0x140
[   11.354856]  [<ffffffffa1225000>] ? 0xffffffffa1225000
[   11.354914]  [<ffffffffa122501e>] toneport_driver_init+0x1e/0x20 [snd_usb_toneport]
[   11.354976]  [<ffffffff81000421>] do_one_initcall+0x41/0x150
[   11.355035]  [<ffffffff8112628f>] do_init_module+0x5a/0x1cb
[   11.355094]  [<ffffffff810d2efa>] load_module+0x20aa/0x2500
[   11.355153]  [<ffffffff810cff10>] ? __symbol_get+0x70/0x70
[   11.355211]  [<ffffffff81193a85>] ? kernel_read_file+0x115/0x1a0
[   11.355271]  [<ffffffff810d354b>] SyS_finit_module+0xcb/0xd0
[   11.355329]  [<ffffffff81002ac8>] do_syscall_64+0x48/0xb0
[   11.355388]  [<ffffffff81778186>] entry_SYSCALL64_slow_path+0x25/0x25
[   11.355449] ---[ end trace 78d507946974dd2d ]---
[   11.355507] snd_usb_toneport 5-2:1.0: receive length failed (error -11)
[   11.358572] snd_usb_toneport 5-2:1.0: receive length failed (error -11)
[   11.358586] usb 7-3: 1:1: cannot get freq at ep 0x5
[   11.358701] snd_usb_toneport 5-2:1.0: write request failed (error -11)
[   11.361883] snd_usb_toneport 5-2:1.0: Line 6 POD Studio UX1 now attached
[   11.361965] usbcore: registered new interface driver snd_usb_toneport