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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Marius Silaghi, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect 1091532
When reporting bugs in the future please use apport by using 'ubuntu-bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs.

** Changed in: linux-lts-quantal (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux-lts-quantal (Ubuntu)
       Status: Confirmed => Incomplete

** Package changed: linux-lts-quantal (Ubuntu) => linux (Ubuntu)

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https://bugs.launchpad.net/bugs/1091532

Title:
  Usb device not enumerated by xhci, working on older systems

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  My USB2.0 cameras are enumerated fine on ehci systems (older Ubuntus). But not on my new Ubuntu 
  12.10:
  $uname -a
  Linux VAIO 3.5.0-18-generic #29-Ubuntu SMP Fri Oct 19 10:26:51 UTC 2012 x86_64 
  x86_64 x86_64 GNU/Linux

  here xhci_hcd is compiled in the kernel, and the device is not enumerated. I 
  tried unbinding xhci using the sysfs and the messages dissapear, but ehci does 
  not take over. Any idea?

  
  [12241.536789] usb 3-1: new high-speed USB device number 8 using xhci_hcd
  [12241.553375] usb 3-1: device descriptor read/8, error -75
  [12241.673302] usb 3-1: device descriptor read/8, error -75
  [12241.888420] usb 3-1: new high-speed USB device number 9 using xhci_hcd
  [12241.905029] usb 3-1: device descriptor read/8, error -75
  [12242.024764] usb 3-1: device descriptor read/8, error -75
  [12242.240032] usb 3-1: new high-speed USB device number 10 using xhci_hcd
  [12242.256595] usb 3-1: device descriptor read/8, error -75
  [12242.376524] usb 3-1: device descriptor read/8, error -75
  [12242.591580] usb 3-1: new high-speed USB device number 11 using xhci_hcd
  [12242.608170] usb 3-1: device descriptor read/8, error -75
  [12242.727987] usb 3-1: device descriptor read/8, error -75
  [12242.831348] hub 3-0:1.0: unable to enumerate USB device on port 1

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