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[Bug 1552851] Re: syslog flooded with xhci_hcd warnings "WARN Event TRB for slot 1 ep 8 with no TDs queued?"

 

Ok, but I need to silence error msg in syslog, any idea?

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Title:
  syslog 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:
  Hello

  I have the same problem that is reported in bug #1541997 when accessing an iphone from a kvm win8.1 vm.
  when itunes is doing work on the attached iphone I see at the same time 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?

  itunes seems to be able to work with the iphone (sync, backup). But
  the syslog is flooded with theses warnings.

  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

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-30-lowlatency 4.2.0-30.36
  ProcVersionSignature: Ubuntu 4.2.0-30.36-lowlatency 4.2.8-ckt3
  Uname: Linux 4.2.0-30-lowlatency x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  pascal     3919 F.... pulseaudio
   /dev/snd/pcmC1D0p:   pascal     3919 F...m pulseaudio
   /dev/snd/controlC1:  pascal     3919 F.... pulseaudio
   /dev/snd/controlC0:  pascal     3919 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Thu Mar  3 19:23:54 2016
  InstallationDate: Installed on 2015-01-03 (425 days ago)
  InstallationMedia: Kubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-30-lowlatency root=UUID=076b58d2-a51a-4802-a928-ddafdecc1b83 ro quiet splash crashkernel=384M-:128M vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-30-lowlatency N/A
   linux-backports-modules-4.2.0-30-lowlatency  N/A
   linux-firmware                               1.149.3
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to wily on 2015-10-22 (132 days ago)
  dmi.bios.date: 08/12/2015
  dmi.bios.vendor: Intel Corporation
  dmi.bios.version: RYBDWi35.86A.0350.2015.0812.1722
  dmi.board.name: NUC5i5RYB
  dmi.board.vendor: Intel Corporation
  dmi.board.version: H40999-504
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnIntelCorporation:bvrRYBDWi35.86A.0350.2015.0812.1722:bd08/12/2015:svn:pn:pvr:rvnIntelCorporation:rnNUC5i5RYB:rvrH40999-504:cvn:ct3:cvr:

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