touch-packages team mailing list archive

[Robert Navarro <crshman@xxxxxxxxx>]

Public bug reported:

The system is an Intel NUC D34010WYK with an i3 Hasell processor.

Monitor 1 is connected via micro HDMI
Monitor 2 is connected via mini DisplayPort

At boot BIOS, Grub, systemd, all get mirrored on both screens as
expected.

However, once the login prompt hits Monitor 2 (DisplayPort) goes blank.
It flickers periodically though.

When it does flicker on I can see the desktop, any windows that got
moved to that monitor and the clock is up to date.

The two monitors are exactly the same model, Samsung SyncMaster 204B.

I have tried swapping monitors and the issue seems to persist on the
mini DisplayPort connection only.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: lightdm 1.16.4-0ubuntu1
Uname: Linux 4.3.0-994-generic x86_64
ApportVersion: 2.19.1-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Oct 23 20:18:09 2015
InstallationDate: Installed on 2015-10-12 (12 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
SourcePackage: lightdm
UpgradeStatus: Upgraded to wily on 2015-10-24 (0 days ago)

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


** Tags: amd64 apport-bug third-party-packages wily

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Touch seeded packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1509596

Title:
  Second monitor blanks at login prompt

Status in lightdm package in Ubuntu:
  New

Bug description:
  The system is an Intel NUC D34010WYK with an i3 Hasell processor.

  Monitor 1 is connected via micro HDMI
  Monitor 2 is connected via mini DisplayPort

  At boot BIOS, Grub, systemd, all get mirrored on both screens as
  expected.

  However, once the login prompt hits Monitor 2 (DisplayPort) goes
  blank. It flickers periodically though.

  When it does flicker on I can see the desktop, any windows that got
  moved to that monitor and the clock is up to date.

  The two monitors are exactly the same model, Samsung SyncMaster 204B.

  I have tried swapping monitors and the issue seems to persist on the
  mini DisplayPort connection only.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: lightdm 1.16.4-0ubuntu1
  Uname: Linux 4.3.0-994-generic x86_64
  ApportVersion: 2.19.1-0ubuntu3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Fri Oct 23 20:18:09 2015
  InstallationDate: Installed on 2015-10-12 (12 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to wily on 2015-10-24 (0 days ago)

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