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[Adam Lee <adam.lee@xxxxxxxxxxxxx>]

** Project changed: linux-kernel-headers => linux

** Project changed: linux => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1319443

Title:
  xhci usb 3.0 logitech c920 not working

Status in “linux” package in Ubuntu:
  New

Bug description:
  Hello,

  my usb webcam logitech c920 doesn't work when connected to my usb 3.0
  host controller (Etron EJ168a). when connected to a usb 2.0 host
  controller it works perfectly. when i connect my usb 3.0 stick to the
  same port it's recognized and also works  - just not the webcam.
  disabling usb 3.0 legacy mode (xhci) in my bios doesn't change
  anything, it's still used instead of ehci. kernel problem?

  lspci
  06:00.0 USB controller: Etron Technology, Inc. EJ168 USB 3.0 Host Controller (rev 01)

  dmesg | grep usb
  usb 3-1: Not enough bandwidth for altsetting 3
  3:3:3: usb_set_interface failed (-22)

  dmesg | grep xhci
  xhci_hcd 0000:06:00.0: ERROR: unexpected command completion code 0x11.

  Ubuntu 14.04 x64
  3.13.0-24-generic
  Mainboard: Asrock Z68 Pro3 Gen3
  Bios: P2.30 (latest)

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