Jan 23 20:39:56 AST-mobile kernel: [  355.978595] usb 3-2: new low-speed USB device number 8 using xhci_hcd                                                                                                          
Jan 23 20:40:01 AST-mobile kernel: [  360.977493] xhci_hcd 0000:00:14.0: Timeout while waiting for address device command                                                                                            
Jan 23 20:40:01 AST-mobile kernel: [  361.181444] ------------[ cut here ]------------                                                                                                                               
Jan 23 20:40:01 AST-mobile kernel: [  361.181461] WARNING: at /build/buildd/linux-3.5.0/drivers/usb/host/xhci.c:3646 xhci_address_device+0x2db/0x300()                                                               
Jan 23 20:40:01 AST-mobile kernel: [  361.181464] Hardware name: 24382LU                                                                                                                                             
Jan 23 20:40:01 AST-mobile kernel: [  361.181466] Modules linked in: btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs bnep rfcomm parport_pc ppdev binfmt_misc ext2 coretemp kvm_intel kvm ghash_clmulni_intel aesni_intel cryptd arc4 aes_x86_64 snd_hda_codec_realtek microcode joydev uvcvideo videobuf2_core videodev thinkpad_acpi videobuf2_vmalloc iwlwifi lpc_ich videobuf2_memops psmouse mac80211 ftdi_sio serio_raw usbserial btusb snd_hda_intel snd_seq_midi snd_hda_codec bluetooth cfg80211 snd_hwdep snd_rawmidi snd_pcm snd_seq_midi_event snd_seq snd_seq_device snd_timer snd_page_alloc snd soundcore mei nvram tpm_tis mac_hid usbmon lp parport hid_generic usbhid hid i915 nouveau firewire_ohci ttm drm_kms_helper firewire_core crc_itu_t drm i2c_algo_bit mxm_wmi sdhci_pci sdhci e1000e wmi video                     
Jan 23 20:40:01 AST-mobile kernel: [  361.181552] Pid: 48, comm: khubd Not tainted 3.5.0-22-generic #34-Ubuntu
Jan 23 20:40:01 AST-mobile kernel: [  361.181555] Call Trace:
Jan 23 20:40:01 AST-mobile kernel: [  361.181567]  [<ffffffff81051c1f>] warn_slowpath_common+0x7f/0xc0
Jan 23 20:40:01 AST-mobile kernel: [  361.181572]  [<ffffffff81051c7a>] warn_slowpath_null+0x1a/0x20
Jan 23 20:40:01 AST-mobile kernel: [  361.181578]  [<ffffffff814dab8b>] xhci_address_device+0x2db/0x300
Jan 23 20:40:01 AST-mobile kernel: [  361.181585]  [<ffffffff814ae599>] hub_port_init+0x229/0x9f0
Jan 23 20:40:01 AST-mobile kernel: [  361.181594]  [<ffffffff8142ba5d>] ? pm_runtime_set_autosuspend_delay+0x5d/0x80
Jan 23 20:40:01 AST-mobile kernel: [  361.181600]  [<ffffffff8103fa39>] ? default_spin_lock_flags+0x9/0x10
Jan 23 20:40:01 AST-mobile kernel: [  361.181606]  [<ffffffff814b1e03>] hub_port_connect_change+0x283/0x9c0
Jan 23 20:40:01 AST-mobile kernel: [  361.181611]  [<ffffffff814b2943>] hub_events+0x403/0x690
Jan 23 20:40:01 AST-mobile kernel: [  361.181619]  [<ffffffff8168244f>] ? __schedule+0x3cf/0x7c0
Jan 23 20:40:01 AST-mobile kernel: [  361.181624]  [<ffffffff814b2c05>] hub_thread+0x35/0x1a0
Jan 23 20:40:01 AST-mobile kernel: [  361.181632]  [<ffffffff810768b0>] ? finish_wait+0x80/0x80
Jan 23 20:40:01 AST-mobile kernel: [  361.181637]  [<ffffffff814b2bd0>] ? hub_events+0x690/0x690
Jan 23 20:40:01 AST-mobile kernel: [  361.181642]  [<ffffffff81075f13>] kthread+0x93/0xa0
Jan 23 20:40:01 AST-mobile kernel: [  361.181648]  [<ffffffff8168d024>] kernel_thread_helper+0x4/0x10
Jan 23 20:40:01 AST-mobile kernel: [  361.181653]  [<ffffffff81075e80>] ? kthread_freezable_should_stop+0x70/0x70
Jan 23 20:40:01 AST-mobile kernel: [  361.181657]  [<ffffffff8168d020>] ? gs_change+0x13/0x13
Jan 23 20:40:01 AST-mobile kernel: [  361.181660] ---[ end trace f87cad0b99ce3880 ]---
Jan 23 20:40:01 AST-mobile kernel: [  361.181665] xhci_hcd 0000:00:14.0: Virt dev invalid for slot_id 0x7!
Jan 23 20:40:01 AST-mobile kernel: [  361.385433] usb 3-2: device not accepting address 8, error -22
Jan 23 20:40:01 AST-mobile kernel: [  361.385456] xHCI xhci_free_dev called with unaddressed device
Jan 23 20:40:06 AST-mobile kernel: [  366.384344] xhci_hcd 0000:00:14.0: Timeout while waiting for a slot
Jan 23 20:40:06 AST-mobile kernel: [  366.384375] hub 3-0:1.0: couldn't allocate port 2 usb_device



