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06-04-2019

BR

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  • Posts: 1
  • Registered: ‎06-04-2019
  • Location: BR
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T480s dockstation does not works with Ubuntu 19.04 and two external monitors in Dport connector

2019-06-04, 14:46 PM

Worked for me with Lenovo T480s, Ubuntu 19.04 and dockstation Thinkpad 135 W.


Workaround 1: Disable PageFlip for modesetting

It is preferred to keep using "modesetting" driver, but disabling page flipping is necessary.


To do this, as a root user create a file

20-displaylink.conf

under: 

/usr/share/X11/xorg.conf.d/

  

with the following content: 

Section "Device"
Identifier "DisplayLink"
Driver "modesetting"
Option "PageFlip" "false"
EndSection

 

 

Steps to do it:

To create the file:

cd /usr/share/X11/xorg.conf.d/
touch 20-displaylink.conf
sudo nano 20-displaylink.conf

paste the content

Section "Device"
Identifier "DisplayLink"
Driver "modesetting"
Option "PageFlip" "false"
EndSection

then

 

control + O

to save

 

then

control + x

to exit nano.

 

A reboot is required for the setting to be effective.

 

Source:
https://support.displaylink.com/knowledgebase/articles/1181623-displaylink-ubuntu-driver-after-recent-x-upgrades

From:
https://support.displaylink.com/knowledgebase/topics/103927-troubleshooting-ubuntu

 

P.S.: I am using IO adapters from DVI (monitor) to dport (dock).

 

 

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