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[PascalC <p92@xxxxxxx>]

Hello

I have the same problem when accessing an iphone from a kvm win8.1 vm.
itunes complains not beeing able to connect to the iphone and at the
same time during its tries, i see lots of theses messages on the syslog
:


Mar  3 08:17:08 minipc kernel: [33225.434065] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.436941] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.439516] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.443396] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.443885] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.456807] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.457482] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.604472] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.605532] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:08 minipc kernel: [33225.605969] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:14 minipc kernel: [33232.287805] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:14 minipc kernel: [33232.288289] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:14 minipc kernel: [33232.290624] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:14 minipc kernel: [33232.291562] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:14 minipc kernel: [33232.316241] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:14 minipc kernel: [33232.317267] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:15 minipc kernel: [33232.484784] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?
Mar  3 08:17:15 minipc kernel: [33232.485561] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 11 ep 10 with no TDs queued?

My bios and version :
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
RYBDWi35.86A.0350.2015.0812.1722
08/12/2015

PC is 
Manufacturer: Intel Corporation
        Product Name: NUC5i5RYB

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https://bugs.launchpad.net/bugs/1541997

Title:
  dmesg flooded with xhci_hcd warnings "WARN Event TRB for slot 1 ep 8
  with no TDs queued?"

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I am running vmware, hosting a Windows 10 guest, relaying USB smartcard reader  and see a flood of following warnings in dmesg:
  "xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 8 with no TDs queued?"

  I only presume they are related to vmware/usb smartcard reader, I
  can't be sure.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-27-generic 4.2.0-27.32
  ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
  Uname: Linux 4.2.0-27-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0p:   cromo      2748 F...m pulseaudio
   /dev/snd/controlC1:  cromo      2748 F.... pulseaudio
   /dev/snd/controlC0:  cromo      2748 F.... pulseaudio
   /dev/snd/timer:      cromo      2748 f.... pulseaudio
  CurrentDesktop: GNOME
  Date: Thu Feb  4 14:19:30 2016
  HibernationDevice: RESUME=UUID=3cd6beac-9b2b-4af8-9004-fdec2b01f2df
  InstallationDate: Installed on 2013-04-24 (1016 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423.1)
  MachineType: Dell Inc. Latitude E6230
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-27-generic root=UUID=50ed3eed-05f6-4dce-b5d6-86a6519d89c1 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-27-generic N/A
   linux-backports-modules-4.2.0-27-generic  N/A
   linux-firmware                            1.149.3
  SourcePackage: linux
  UpgradeStatus: Upgraded to wily on 2015-10-28 (98 days ago)
  dmi.bios.date: 05/20/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A10
  dmi.board.name: 0GWYCT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA10:bd05/20/2013:svnDellInc.:pnLatitudeE6230:pvr01:rvnDellInc.:rn0GWYCT:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6230
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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