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[M <mschalkham@xxxxxxxxx>]

Public bug reported:

Dell e7250 laptop running Ubuntu 15.04

Originally upgraded to 15.04 running kernel 3.16.0-34-generic.  USBS functioned as expected.
Updated to 3.19.0-15 through apt-get and all USBS ceased functioning as well as the DP port(s).  This included through the docking station and directly through the laptop.

In addition, display port monitors do are not recognized plugged into
the docking station..

15.04 w/ 3.16.0-34-generic Laptop w/ docking station
Monitors(Minus MST) = OK
USBS = OK
NIC = OK
Power = OK

15.04 w/ 3.19.0-15-generic Laptop w/docking station
DP Montiors = not recognized
USBs = not recognized
NIC = OK
Power = OK

15.04 w/ 3.19.0-15 Laptop only
Ext Monitor ( DP -> Mini DP = Not recognized
USBs = Not recognized
NIC = OK
Power = OK

xrandr:
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1366 x 768, current 1368 x 768, maximum 1368 x 768
default connected primary 1368x768+0+0 0mm x 0mm
   1366x768        0.0  
   1368x768        0.0* 

lspci is included.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "lspci-vnvn.log"
   https://bugs.launchpad.net/bugs/1446858/+attachment/4380798/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/1446858

Title:
  No USB + 15.04 w/ 3.19.0-15.15-generic

Status in linux package in Ubuntu:
  New

Bug description:
  Dell e7250 laptop running Ubuntu 15.04

  Originally upgraded to 15.04 running kernel 3.16.0-34-generic.  USBS functioned as expected.
  Updated to 3.19.0-15 through apt-get and all USBS ceased functioning as well as the DP port(s).  This included through the docking station and directly through the laptop.

  In addition, display port monitors do are not recognized plugged into
  the docking station..

  15.04 w/ 3.16.0-34-generic Laptop w/ docking station
  Monitors(Minus MST) = OK
  USBS = OK
  NIC = OK
  Power = OK

  15.04 w/ 3.19.0-15-generic Laptop w/docking station
  DP Montiors = not recognized
  USBs = not recognized
  NIC = OK
  Power = OK

  15.04 w/ 3.19.0-15 Laptop only
  Ext Monitor ( DP -> Mini DP = Not recognized
  USBs = Not recognized
  NIC = OK
  Power = OK

  xrandr:
  xrandr: Failed to get size of gamma for output default
  Screen 0: minimum 1366 x 768, current 1368 x 768, maximum 1368 x 768
  default connected primary 1368x768+0+0 0mm x 0mm
     1366x768        0.0  
     1368x768        0.0* 

  lspci is included.

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