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    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Fedora see two monitors as one."
   href="https://bugs.freedesktop.org/show_bug.cgi?id=102992">102992</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Fedora see two monitors as one.
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>17.1
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Mesa core
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>mesa-dev@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>a.zakabluk@velcom.by
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>mesa-dev@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>When two monitors connect via dock station I see:

Screen 0: minimum 320 x 200, current 3520 x 1080, maximum 8192 x 8192           
LVDS-1 connected 1600x900+0+0 (normal left inverted right x axis y axis) 310mm
x 174mm                                                                         
   1600x900      60.04*+  40.02                                                 
   1024x768      60.04    60.00                                                 
   960x720       60.00                                                          
   928x696       60.05                                                          
   896x672       60.01                                                          
   800x600       60.00    60.32    56.25                                        
   700x525       59.98                                                          
   640x512       60.02                                                          
   640x480       60.00    59.94                                                 
   512x384       60.00                                                          
   400x300       60.32    56.34                                                 
   320x240       60.05                                                          
VGA-1 disconnected (normal left inverted right x axis y axis)                   
HDMI-1 disconnected (normal left inverted right x axis y axis)                  
DP-1 connected primary 1920x1080+1600+0 (normal left inverted right x axis y
axis) 509mm x 286mm                                                             
   1920x1080     60.00*+                                                        
   3840x1080     60.00                                                          
   2560x1024     60.00                                                          
   1680x1050     59.95                                                          
   1600x900      60.00                                                          
   1280x1024     60.02                                                          
   1440x900      59.89                                                          
   1280x800      59.81                                                          
   1280x720      60.00                                                          
   1024x768      60.00                                                          
   800x600       60.32                                                          
   640x480       59.94                                                          

and monitors work as twins.

When I connect one monitor in dock station and secondsary in DP port all good.

I see after executed xrandr
LVDS-1 
DP-1
DP-3

Notebook my colleagues with same version OS working without problems on this
dock station.

About my OS


[andrey_zak@nb-it-094 mesa-17.1.3]$ glxinfo | grep OpenGL
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Ivybridge Mobile 
OpenGL core profile version string: 4.2 (Core Profile) Mesa 17.1.7
OpenGL core profile shading language version string: 4.20
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 17.1.7
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 17.1.7
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:
[andrey_zak@nb-it-094 mesa-17.1.3]$ uname -a
Linux nb-it-094.main.velcom.by 4.12.13-300.fc26.x86_64 #1 SMP Thu Sep 14
16:00:38 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
[andrey_zak@nb-it-094 mesa-17.1.3]$ cat /etc/*release
Fedora release 26 (Twenty Six)
NAME=RFRemix
VERSION="26 (Twenty Six)"
ID=fedora
ID_LIKE=fedora
PRETTY_NAME="RFRemix 26 (Twenty Six)"
VERSION_ID=26
ANSI_COLOR="0;34"
CPE_NAME="cpe:/o:fedoraproject:fedora:26"
HOME_URL="<a href="https://fedoraproject.org/">https://fedoraproject.org/</a>"
BUG_REPORT_URL="<a href="https://bugzilla.redhat.com/">https://bugzilla.redhat.com/</a>"
REDHAT_BUGZILLA_PRODUCT="Fedora"
REDHAT_BUGZILLA_PRODUCT_VERSION=26
REDHAT_SUPPORT_PRODUCT="Fedora"
REDHAT_SUPPORT_PRODUCT_VERSION=26
PRIVACY_POLICY_URL=<a href="https://fedoraproject.org/wiki/Legal:PrivacyPolicy">https://fedoraproject.org/wiki/Legal:PrivacyPolicy</a>
Fedora release 26 (Twenty Six)
RFRemix release 26 (Twenty Six)
Fedora release 26 (Twenty Six)</pre>
        </div>
      </p>


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