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[Dariusz Gadomski <1104230@xxxxxxxxxxxxxxxxxx>]

Thank you guys for testing this. Unfortunately I do not know the cause
with the wireless network problems. I was doing sanity tests of those
kernels on my trusty desktop (with a USB WiFi dongle) and my utopic
laptop (with built-in wifi). In both cases I was able to use my network.

This kernel is basically a utopic kernel backported to trusty. Maybe
there is something missing that is required for your wifi to work. I
will try to check out what are the latest changes added to the kernel.

Other case - is there anybody that may test the other kernel from the
ppa (on utopic)? If it will not work on utopic then most probably cherry
picking of the commit mentioned above is not enough to provide full MST
support.

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1104230

Title:
  DisplayPort 1.2 MST support is missing in the Intel driver

Status in X.org xf86-video-intel:
  Unknown
Status in “xserver-xorg-video-intel” package in Ubuntu:
  Confirmed

Bug description:
  I have two recent DisplayPort monitors, both supporting the 1.2
  version of the standard and one containing an MST hub (DELL 2913WM).

  I have an Intel Haswell based NUC connected over mini-displayport to
  the display containing the hub, then the second display is plugged in
  that one over DisplayPort.

  DisplayPort 1.2 is enabled on the display containing the hub and the
  second display lights up fine but just works as a clone of the first
  display, without ever showing up in xrandr, dmesg or any other useful
  logs I could find.

  My understanding of MST is that the second display should show up as
  DP2 on my laptop so I can configure it as I would any other display.

  UPDATE: Updated the bug report after it was pointed out that the
  original test hardware, a Lenovo x230 isn't DP 1.2 capable. The same
  test on hardware also fails, due to missing support for MST in the
  driver.

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