desktop-packages team mailing list archive

[Michael Neuffer <neuffer@xxxxxxxxxxx>]

Public bug reported:

lightdm fails to start with 3 connected displays but works 2 displays.

Once lightdm has started and displays the Greeter I can connect the third display without a hitch.
After logging in I can enable the third display

#!/bin/sh
xrandr --output VGA-0 --off --output DP-6 --off --output DP-5 --off --output DP-4 --mode 3200x1800 --pos 0x0 --rotate normal --output DP-3 --scale 1.5x1.5 --mode 1920x1200 --pos 3200x0 --rotate normal --output DP-2 --scale 1.5x1.5 --mode 1920x1080 --pos 6080x0 --rotate normal --output DP-1 --off --output DP-0 --off 

When lightdm is started with all three displays connected, it will
terminate and force the Xserver to go down as well, triggering a cycle
of Xserver/lightdm restarts. Disconnecting the 3rd display will bring up
lightdm immediately without a glitch.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: lightdm 1.13.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
Uname: Linux 3.16.0-25-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.7-0ubuntu10
Architecture: amd64
CurrentDesktop: XFCE
Date: Thu Nov 20 14:09:40 2014
InstallationDate: Installed on 2014-05-30 (174 days ago)
InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
LightdmGreeterLog:
 (lightdm-gtk-greeter:7540): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
 
 (lightdm-gtk-greeter:7540): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
 
 ** (lightdm-gtk-greeter:7540): WARNING **: Failed to load user image: Failed to open file '/home/neuffer/.face': No such file or directory
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug vivid

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1394639

Title:
  lightdm fails to start with 3 connected displays but works 2 displays

Status in “lightdm” package in Ubuntu:
  New

Bug description:
  lightdm fails to start with 3 connected displays but works 2 displays.

  Once lightdm has started and displays the Greeter I can connect the third display without a hitch.
  After logging in I can enable the third display

  #!/bin/sh
  xrandr --output VGA-0 --off --output DP-6 --off --output DP-5 --off --output DP-4 --mode 3200x1800 --pos 0x0 --rotate normal --output DP-3 --scale 1.5x1.5 --mode 1920x1200 --pos 3200x0 --rotate normal --output DP-2 --scale 1.5x1.5 --mode 1920x1080 --pos 6080x0 --rotate normal --output DP-1 --off --output DP-0 --off 

  When lightdm is started with all three displays connected, it will
  terminate and force the Xserver to go down as well, triggering a cycle
  of Xserver/lightdm restarts. Disconnecting the 3rd display will bring
  up lightdm immediately without a glitch.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: lightdm 1.13.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
  Uname: Linux 3.16.0-25-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.7-0ubuntu10
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Thu Nov 20 14:09:40 2014
  InstallationDate: Installed on 2014-05-30 (174 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  LightdmGreeterLog:
   (lightdm-gtk-greeter:7540): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
   
   (lightdm-gtk-greeter:7540): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
   
   ** (lightdm-gtk-greeter:7540): WARNING **: Failed to load user image: Failed to open file '/home/neuffer/.face': No such file or directory
  SourcePackage: lightdm
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1394639/+subscriptions