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[goepfling <goepfling@xxxxxxxxx>]

No luck with daily live image.

Microsoft TypeCover keyboard only works when the xhci support is
disabled.

I also can read data from /dev/hidrawxxx but if I attach an external USB
keyboard and switch to a console (ctrl-alt-f1), the TypeCover still
doesn't work: it is actually a kernel problem, not a Xorg problem.

Maybe the xhci problem (which also affects Bluetooth and Wifi of the Surface Pro 2) it is related to this kernel warning:
[code]
[    1.028259] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported
[/code]

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https://bugs.launchpad.net/bugs/1248958

Title:
  [Surface Pro 2] Keyboard Touch Cover 2 not working

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  When I boot the surface pro 2 device with a fresh installation of
  ubuntu (the gnome flavour) with current updates and attach the Touch
  Cover 2-keyboard, I expect the keyboard to work.

  What happens:
  The keyboard does not work. xev does not raise any events from the keyboard.

  Note:
  since I do not have an internet connection from the device in question, I cannot provide you with the requested ubuntu-bug output.

  Question:
  I attached anything I can think of which might be helpful to resolve the issue. Please point me in the right direction on how I can debug this further.

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