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[Bug 1480920] [NEW] Black screen on monitor connected via Mini Display Port

 

Public bug reported:

I'm on Dell XPS 13 2015 edition, since about two weeks, my second
monitor connected via Mini Display Port doesn't work well ; ie the
screen led report it as "on", the "Settings -> Display" tools detect it
successfully, screen is extended, BUT screen stay black.

Sometimes, while I'm working (with the black screen on the second
monitor), the second monitor woke up. I can use it, but after automatic
"screen turn off" (while I'm away), the second screen doesn't woke up.

If I disconnect-reconnect, the mini display port, nothing happens, and
Xorg.0.log doesn't detect something (this is why I've opened the bug on
"linux-image-generic" and not on "Xorg").


I would be happy to find my second display working again, and help to fix the problem.
Please, let me know how I can help, report, test, etc...


$ cat /proc/version_signature
Ubuntu 3.19.0-26.27-generic 3.19.8-ckt4

$ lsb_release -rd
Description:	Ubuntu 15.04
Release:	15.04

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-26-generic 3.19.0-26.27
ProcVersionSignature: Ubuntu 3.19.0-26.27-generic 3.19.8-ckt4
Uname: Linux 3.19.0-26-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  kumy       1513 F.... pulseaudio
 /dev/snd/controlC1:  kumy       1513 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Aug  3 15:20:29 2015
HibernationDevice: RESUME=UUID=8a16d494-b05c-4d52-a204-b648a935d547
InstallationDate: Installed on 2015-05-07 (88 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: Dell Inc. XPS 13 9343
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-26-generic.efi.signed root=UUID=58a8d291-24fa-4b38-8c10-65f03c728711 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-26-generic N/A
 linux-backports-modules-3.19.0-26-generic  N/A
 linux-firmware                             1.143.2
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/14/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0310JH
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA05:bd07/14/2015:svnDellInc.:pnXPS139343:pvr:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: XPS 13 9343
dmi.sys.vendor: Dell Inc.

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


** Tags: amd64 apport-bug package-from-proposed vivid

** Attachment added: "lspci-vnvn.log"
   https://bugs.launchpad.net/bugs/1480920/+attachment/4438275/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/1480920

Title:
  Black screen on monitor connected via Mini Display Port

Status in linux package in Ubuntu:
  New

Bug description:
  I'm on Dell XPS 13 2015 edition, since about two weeks, my second
  monitor connected via Mini Display Port doesn't work well ; ie the
  screen led report it as "on", the "Settings -> Display" tools detect
  it successfully, screen is extended, BUT screen stay black.

  Sometimes, while I'm working (with the black screen on the second
  monitor), the second monitor woke up. I can use it, but after
  automatic "screen turn off" (while I'm away), the second screen
  doesn't woke up.

  If I disconnect-reconnect, the mini display port, nothing happens, and
  Xorg.0.log doesn't detect something (this is why I've opened the bug
  on "linux-image-generic" and not on "Xorg").

  
  I would be happy to find my second display working again, and help to fix the problem.
  Please, let me know how I can help, report, test, etc...

  
  $ cat /proc/version_signature
  Ubuntu 3.19.0-26.27-generic 3.19.8-ckt4

  $ lsb_release -rd
  Description:	Ubuntu 15.04
  Release:	15.04

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-26-generic 3.19.0-26.27
  ProcVersionSignature: Ubuntu 3.19.0-26.27-generic 3.19.8-ckt4
  Uname: Linux 3.19.0-26-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kumy       1513 F.... pulseaudio
   /dev/snd/controlC1:  kumy       1513 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Aug  3 15:20:29 2015
  HibernationDevice: RESUME=UUID=8a16d494-b05c-4d52-a204-b648a935d547
  InstallationDate: Installed on 2015-05-07 (88 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. XPS 13 9343
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-26-generic.efi.signed root=UUID=58a8d291-24fa-4b38-8c10-65f03c728711 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-26-generic N/A
   linux-backports-modules-3.19.0-26-generic  N/A
   linux-firmware                             1.143.2
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/14/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0310JH
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd07/14/2015:svnDellInc.:pnXPS139343:pvr:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9343
  dmi.sys.vendor: Dell Inc.

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