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[dpacmittal <dpac.mittal2@xxxxxxxxx>]

This bug still exists on 3.17.1-031701-generic #201410150735

As a workaround you can unbind and bind the xhci drivers -
http://www.geekdevs.com/2010/04/solved-unable-to-enumerate-usb-device-
disabling-ehci_hcd/. Instead of ehci_hcd, I used xhci_hcd and USB
started working again.

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https://bugs.launchpad.net/bugs/1348007

Title:
  xhci_hcd: Setup ERROR: setup context command for slot n.

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  [24754.899114] usb 3-1: reset high-speed USB device number 4 using xhci_hcd
  [24754.899167] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 3.
  [24754.899174] usb 3-1: hub failed to enable device, error -22
  [24755.010826] usb 3-1: reset high-speed USB device number 4 using xhci_hcd
  [24755.010845] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command for slot 3.
  [24755.010850] usb 3-1: hub failed to enable device, error -22
  [24755.122775] usb 3-1: reset high-speed USB device number 4 using xhci_hcd
  [24755.139442] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88004394fac8
  [24755.139451] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88004394fa80
  [24755.139632] usb 3-1: ep 0x2 - rounding interval to 8 microframes, ep desc says 10 microframes
  [24755.139686] usb 3-1: ep 0x81 - rounding interval to 8 microframes, ep desc says 10 microframes
  [24755.139929] usb 3-1: ep 0x2 - rounding interval to 8 microframes, ep desc says 10 microframes
  [24755.140016] usb 3-1: ep 0x81 - rounding interval to 8 microframes, ep desc says 10 microframes
  [24755.140636] usblp 3-1:1.0: usblp0: USB Bidirectional printer dev 4 if 0 alt 0 proto 2 vid 0x04E8 pid 0x330F
  [26859.666205] usb 3-1: USB disconnect, device number 4
  [26859.666475] usblp0: removed

  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-5-generic 3.16.0-5.10
  ProcVersionSignature: Ubuntu 3.16.0-5.10-generic 3.16.0-rc6
  Uname: Linux 3.16.0-5-generic x86_64
  ApportVersion: 2.14.4-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0p:   caravena   2847 F...m pulseaudio
   /dev/snd/controlC1:  caravena   2847 F.... pulseaudio
   /dev/snd/controlC0:  caravena   2847 F.... pulseaudio
  CurrentDesktop: GNOME
  Date: Wed Jul 23 23:03:41 2014
  HibernationDevice: RESUME=UUID=360bd2d2-4f44-4311-86d6-4781ac81ee87
  InstallationDate: Installed on 2014-04-27 (87 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-5-generic root=UUID=13144268-2374-4154-83f1-c35d81306190 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-5-generic N/A
   linux-backports-modules-3.16.0-5-generic  N/A
   linux-firmware                            1.132
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/15/2013
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: P14AAJ
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: SAMSUNG_NP1234567890
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP14AAJ:bd04/15/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 530U3C/530U4C
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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