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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1585616

Title:
  Display Port on HP t5740 is not working

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When I connect Display Port it does not connect.

  
  xrandr says:

  Screen 0: minimum 8 x 8, current 1440 x 900, maximum 32767 x 32767
  DP1 disconnected (normal left inverted right x axis y axis)
  HDMI1 disconnected (normal left inverted right x axis y axis)
  VGA1 connected 1440x900+0+0 (normal left inverted right x axis y axis) 408mm x 255mm
     1440x900      59.89*+  74.98  
     1280x1024     75.02    60.02  
     1280x960      60.00  
     1152x864      75.00  
     1024x768      75.08    70.07    66.01    60.00  
     832x624       74.55  
     800x600       72.19    75.00    60.32    56.25  
     640x480       75.00    72.81    66.67    66.03    60.00  
     720x400       70.08  
  VIRTUAL1 disconnected (normal left inverted right x axis y axis)

  
  I've enabled drm.debug=0xe in grub, so I'm also attaching dmesg output.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-22-generic 4.4.0-22.40
  ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
  Uname: Linux 4.4.0-22-generic i686
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tcuser     1045 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Wed May 25 14:29:36 2016
  HibernationDevice: RESUME=UUID=345a1970-34c2-45c3-bcfd-0f92c1f4cd55
  InstallationDate: Installed on 2016-05-18 (6 days ago)
  InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1)
  IwConfig:
   lo        no wireless extensions.
   
   enp4s0    no wireless extensions.
  MachineType: Hewlett-Packard hp t5740
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.4.0-22-generic root=UUID=dcb4e8e6-4384-4f59-8853-cd40e1896852 ro rootflags=subvol=@ quiet splash drm.debug=0xe vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-22-generic N/A
   linux-backports-modules-4.4.0-22-generic  N/A
   linux-firmware                            1.157
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/12/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 786R8 v1.01
  dmi.board.asset.tag: Climbers
  dmi.board.name: 3641h
  dmi.board.vendor: Hewlett-Packard
  dmi.chassis.asset.tag: Asset tracking
  dmi.chassis.type: 3
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr786R8v1.01:bd11/12/2009:svnHewlett-Packard:pnhpt5740:pvr:rvnHewlett-Packard:rn3641h:rvr:cvnHewlett-Packard:ct3:cvr:
  dmi.product.name: hp t5740
  dmi.sys.vendor: Hewlett-Packard

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