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[Guiu <guiu@mateu.email>]

** Attachment added: "lspci-vnvn.log"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1551357/+attachment/4584611/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/1551357

Title:
  Shell Gnome crash when primary display is HDMI and lock screen.

Status in linux package in Ubuntu:
  New

Bug description:
  Hi,

  I have the following issue:

  When the additional display (connected by HDMI) is the primary, after
  I blocked session the Gnome Shell is broken. I need restart Gnome
  Shell and apply display configuration for establish the initial
  configuration. When Gnome Shell is broked, the extension Panel-Docklet
  (v18) didn't work correctly.

  If I only use the laptop display, the issue doesn't appear.

  In the syslog I can see this issue recursively:

  [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control interrupt
  lied (SDE)!

  I'm not an linux expert and I don't know how I can see more logs. I
  can do screenshots and send it to you if it can help you.

  More system details:
  Toshiba Tecra

  Ubuntu:
    Distributor ID:	Ubuntu
    Description:	Ubuntu 14.04.4 LTS
    Release:	14.04
    Codename:	trusty

  Gnome:
    GNOME Shell 3.10.4

  Uname:
    Linux guiu-ubuntu 3.19.0-51-generic #58~14.04.1-Ubuntu SMP Fri Feb 26 22:02:58 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

  xrandr
    Screen 0: minimum 8 x 8, current 3520 x 1080, maximum 32767 x 32767
    eDP1 connected 1600x900+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
       1600x900       60.0*+
       1440x900       59.9  
       1360x768       59.8     60.0  
       1152x864       60.0  
       1024x768       60.0  
       800x600        60.3     56.2  
       640x480        59.9  
    DP1 disconnected (normal left inverted right x axis y axis)
    DP2 disconnected (normal left inverted right x axis y axis)
    HDMI1 disconnected (normal left inverted right x axis y axis)
    HDMI2 connected primary 1920x1080+1600+0 (normal left inverted right x axis y axis) 477mm x 268mm
       1920x1080      60.0*+
       1600x900       60.0  
       1280x1024      75.0     60.0  
       1152x864       75.0  
       1024x768       75.1     60.0  
       800x600        75.0     60.3  
       640x480        75.0     60.0  
       720x400        70.1  
    VIRTUAL1 disconnected (normal left inverted right x axis y axis)

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