[   11.202942] vboxdrv: fAsync=0 offMin=0x207 offMax=0x45da
[   11.202995] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[   11.202996] vboxdrv: Successfully loaded version 4.3.10_Ubuntu (interface 0x001a0007).
[   11.211293] vboxpci: IOMMU not found (not registered)
[   11.983193] wlan0: authenticate with c8:d7:19:2b:5a:6b
[   11.998736] wlan0: send auth to c8:d7:19:2b:5a:6b (try 1/3)
[   12.003462] wlan0: authenticated
[   12.005845] wlan0: associate with c8:d7:19:2b:5a:6b (try 1/3)
[   12.011700] wlan0: RX AssocResp from c8:d7:19:2b:5a:6b (capab=0x411 status=0 aid=7)
[   12.011765] wlan0: associated
[   12.011771] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   14.034332] xhci_hcd 0000:00:14.0: Timeout while waiting for address device command
[   14.034365] ------------[ cut here ]------------
[   14.034370] WARNING: CPU: 3 PID: 43 at /build/linux-UkxW15/linux-3.13.0/drivers/usb/host/xhci-ring.c:1581 handle_cmd_completion+0xe36/0xe40()
[   14.034372] Modules linked in: ctr ccm pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) rfcomm bnep snd_hda_codec_hdmi snd_hda_codec_realtek dcdbas ath3k btusb bluetooth snd_hda_intel snd_hda_codec snd_hwdep x86_pkg_temp_thermal intel_powerclamp arc4 coretemp snd_pcm kvm_intel kvm snd_page_alloc snd_seq_midi snd_seq_midi_event crct10dif_pclmul crc32_pclmul snd_rawmidi ath9k ghash_clmulni_intel ath9k_common ath9k_hw aesni_intel aes_x86_64 ath lrw gf128mul glue_helper mac80211 ablk_helper cryptd snd_seq cfg80211 serio_raw snd_seq_device i915 snd_timer lpc_ich snd shpchp drm_kms_helper drm soundcore mei_me mei i2c_algo_bit video mac_hid parport_pc ppdev lp parport btrfs xor raid6_pq libcrc32c hid_generic usbhid hid ahci psmouse libahci r8168(OX)
[   14.034406] CPU: 3 PID: 43 Comm: khubd Tainted: G           OX 3.13.0-61-generic #100-Ubuntu
[   14.034407] Hardware name: Dell Inc. Inspiron 3647/02YRK5       , BIOS A07 03/03/2015
[   14.034408]  0000000000000009 ffff88021fb83da8 ffffffff81723700 0000000000000000
[   14.034410]  ffff88021fb83de0 ffffffff8106785d ffff880210274450 ffff880213d300f0
[   14.034412]  0000000000000004 0000000213d300f0 ffff88020fc34000 ffff88021fb83df0
[   14.034414] Call Trace:
[   14.034415]  <IRQ>  [<ffffffff81723700>] dump_stack+0x45/0x56
[   14.034422]  [<ffffffff8106785d>] warn_slowpath_common+0x7d/0xa0
[   14.034423]  [<ffffffff8106793a>] warn_slowpath_null+0x1a/0x20
[   14.034425]  [<ffffffff8157f876>] handle_cmd_completion+0xe36/0xe40
[   14.034427]  [<ffffffff8158117b>] xhci_irq+0x33b/0xa30
[   14.034429]  [<ffffffff81581881>] xhci_msi_irq+0x11/0x20
[   14.034432]  [<ffffffff810bfdbe>] handle_irq_event_percpu+0x3e/0x1d0
[   14.034433]  [<ffffffff810bff8d>] handle_irq_event+0x3d/0x60
[   14.034436]  [<ffffffff810c2a17>] handle_edge_irq+0x77/0x130
[   14.034439]  [<ffffffff81015e3e>] handle_irq+0x1e/0x30
[   14.034442]  [<ffffffff817365dd>] do_IRQ+0x4d/0xc0
[   14.034444]  [<ffffffff8172bbed>] common_interrupt+0x6d/0x6d
[   14.034445]  <EOI>  [<ffffffff8149535e>] ? dev_printk_emit+0x3e/0x40
[   14.034451]  [<ffffffff8157ca36>] ? xhci_cancel_cmd+0x86/0x270
[   14.034453]  [<ffffffff8172b57b>] ? _raw_spin_unlock_irqrestore+0x1b/0x40
[   14.034454]  [<ffffffff8157ca09>] xhci_cancel_cmd+0x59/0x270
[   14.034456]  [<ffffffff81576513>] xhci_address_device+0x413/0x620
[   14.034460]  [<ffffffff81540934>] hub_port_init+0x1f4/0xb10
[   14.034463]  [<ffffffff814a64e9>] ? update_autosuspend+0x39/0x60
[   14.034466]  [<ffffffff814a6555>] ? pm_runtime_set_autosuspend_delay+0x45/0x90
[   14.034468]  [<ffffffff815420b5>] hub_port_connect_change+0x185/0xb50
[   14.034470]  [<ffffffff81549434>] ? usb_control_msg+0xd4/0x110
[   14.034472]  [<ffffffff81542f54>] hub_events+0x4d4/0xa30
[   14.034474]  [<ffffffff815434e5>] hub_thread+0x35/0x160
[   14.034477]  [<ffffffff810ab390>] ? prepare_to_wait_event+0x100/0x100
[   14.034479]  [<ffffffff815434b0>] ? hub_events+0xa30/0xa30
[   14.034482]  [<ffffffff8108b7d2>] kthread+0xd2/0xf0
[   14.034483]  [<ffffffff8108b700>] ? kthread_create_on_node+0x1c0/0x1c0
[   14.034485]  [<ffffffff81734228>] ret_from_fork+0x58/0x90
[   14.034487]  [<ffffffff8108b700>] ? kthread_create_on_node+0x1c0/0x1c0
[   14.034488] ---[ end trace 7787de8ef16d45f7 ]---
[   14.238428] usb 3-10: Device not responding to set address.
[   14.442424] usb 3-10: device not accepting address 5, error -71
[   14.554472] usb 3-10: new full-speed USB device number 6 using xhci_hcd
[   14.571842] usb 3-10: New USB device found, idVendor=0cf3, idProduct=0036
[   14.571846] usb 3-10: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   15.870724] xhci_hcd 0000:00:14.0: xHCI host not responding to stop endpoint command.
[   15.870728] xhci_hcd 0000:00:14.0: Assuming host is dying, halting host.
[   15.870752] Bluetooth: hci0 urb ffff880213645600 failed to resubmit (22)
[   15.870755] Bluetooth: hci0 urb ffff880213645540 failed to resubmit (22)
[   15.870756] Bluetooth: hci0 urb ffff880213645840 failed to resubmit (22)
[   15.870759] xhci_hcd 0000:00:14.0: HC died; cleaning up
[   15.870783] usb 3-5: USB disconnect, device number 2
[   15.962802] usb 3-6: USB disconnect, device number 3
[   15.998926] usb 3-10: USB disconnect, device number 6
[   40.497008] audit_printk_skb: 156 callbacks suppressed
[   40.497010] type=1400 audit(1438956563.352:64): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=1952 comm="apparmor_parser"
[   40.497014] type=1400 audit(1438956563.352:65): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=1952 comm="apparmor_parser"
[   40.497242] type=1400 audit(1438956563.352:66): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=1952 comm="apparmor_parser"