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[Bug 1427221] Re: i915, broadwell, cannot connect external monitor through Display Port

 

Vladimír Kriška, could you please test the latest upstream kernel
available from the very top line at the top of the page (the release
names are irrelevant for testing, and please do not test the daily
folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will
allow additional upstream developers to examine the issue.

If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description:
kernel-fixed-upstream
kernel-fixed-upstream-3.XY-rcZ

Where XY and Z are numbers corresponding to the kernel version.

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-3.XY-rcZ

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results.

Thank you for your understanding.

** Tags removed: bios-outdated-1.10
** Tags added: latest-bios-1.10

** Changed in: xorg (Ubuntu)
   Importance: Low => Medium

** Changed in: xorg (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1427221

Title:
  i915, broadwell, cannot connect external monitor through Display Port

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  Hi, on new laptop (thinkpad t450s) I get error message after connecting external monitor:
  [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to train DP, aborting

  And after that, monitor is turned to sleep mode. Interesting thing is,
  that monitor is detected.

  I've already reported bug to kernel intel-gfx, so some additional informations can be found there:
  https://bugzilla.kernel.org/show_bug.cgi?id=94121

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4.2
  Uname: Linux 3.19.0-031900-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.2
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Mon Mar  2 14:17:36 2015
  InstallationDate: Installed on 2015-02-26 (3 days ago)
  InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: xserver-xorg-video-intel
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.16.2-0ubuntu5
  Architecture: amd64
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 15.04
  InstallationDate: Installed on 2015-03-10 (19 days ago)
  InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  Package: xorg 1:7.7+7ubuntu4
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
  Tags:  vivid
  Uname: Linux 3.19.0-10-generic x86_64
  UpgradeStatus: Upgraded to vivid on 2015-03-30 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  --- 
  ApportVersion: 2.16.2-0ubuntu5
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: XFCE
  DistUpgraded: 2015-03-30 14:23:37,107 DEBUG enabling apt cron job
  DistroCodename: vivid
  DistroRelease: Ubuntu 15.04
  DistroVariant: ubuntu
  DkmsStatus:
   vboxhost, 4.3.26, 3.16.0-33-generic, x86_64: installed
   vboxhost, 4.3.26, 3.19.0-10-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:5036]
  InstallationDate: Installed on 2015-03-10 (19 days ago)
  InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: LENOVO 20BX001YXS
  Package: xorg 1:7.7+7ubuntu4
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-10-generic root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
  Tags:  vivid ubuntu
  Uname: Linux 3.19.0-10-generic x86_64
  UpgradeStatus: Upgraded to vivid on 2015-03-30 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 12/09/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: JBET39WW (1.04 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20BX001YXS
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50510 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnLENOVO:bvrJBET39WW(1.04):bd12/09/2014:svnLENOVO:pn20BX001YXS:pvrThinkPadT450s:rvnLENOVO:rn20BX001YXS:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20BX001YXS
  dmi.product.version: ThinkPad T450s
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.59-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.0-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.0-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2build1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Mon Mar 30 17:09:53 2015
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                1133 
   vendor                                     LGD
  xserver.version: 2:1.17.1-0ubuntu3

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