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-   -   DisplayLink 1.2.65 regressions on Ubuntu 16.10 (https://displaylink.org/forum/showthread.php?t=65084)

RussianNeuroMancer 01-20-2017 10:23 AM

DisplayLink 1.2.65 regressions on Ubuntu 16.10
 
1 Attachment(s)
Hello!
After upgrade Ubuntu Gnome 16.04 to 16.10 I found three regressions:
  1. Dock station reconnect is required to get evdi working.
  2. If dock station is attached and working when GDM is asking for password, then login to user session is always lead to Xorg Server crash (then GDM is asking for password again) probably because Gnome trying to apply saved display settings at login. This issue wasn't happen with 1.1.62 DisplayLink driver on Ubuntu Gnome 16.04.
    Workaround: poweroff dock, poweron tablet and login, poweron dock only when login is completed (this also workaround for issue in Item 1).
  3. This one is tricky. External display position in System Display Settings could lead to black internal tablet screen.
    Ubuntu Gnome 16.04 with 1.1.62 DisplayLink driver: if external display is above internal display, then internal display will be black after login. On 16.04 workaround was to poweron dock only when login is completed (yep, same workaround as in Item 2) but now this doesn't help:
    Ubuntu Gnome 16.10 with 1.2.65 DisplayLink driver: if external display is above internal display, then internal display will stay black.
    Workaround: in System Settings place internal display on the left side and external display on the right side.
You can ask for any additional info, logs or troubshooting steps if this help DisplayLink fix this issues.

RussianNeuroMancer 02-27-2017 08:20 AM

1.2.65 uninstallation, reboot, 1.3.52 installation - does not help. None of listed issues are resolved.

38tjfpo29 04-11-2017 02:55 AM

Same Issue
 
I'm running Ubuntu 16.10 with Gnome 3.20.4. X crashes every time the display link device is plugged in. I have tested this on 3 different display link devices. Same result for them all. This was working in 6.04. Does display link intend to support Ubuntu version other than LTS?

I bought this device specifically because the manufacturer claims it supports Ubuntu. All I have now is an over complicated USB hub and unusable monitors.

RussianNeuroMancer 05-05-2017 04:54 AM

Any answer from DisplayLink? Do you see enough information in logs that I attached to first post?

mlukaszek 05-08-2017 09:43 AM

Hi,

Sadly, since we've raised the X crash upstream there was no activity:
https://bugs.freedesktop.org/show_bug.cgi?id=98745

Please help by adding your comment to the bug.

Thanks,
Michal

RussianNeuroMancer 05-08-2017 09:53 AM

Quote:

Originally Posted by mlukaszek (Post 83419)
Hi,

Sadly, since we've raised the X crash upstream there was no activity:
https://bugs.freedesktop.org/show_bug.cgi?id=98745

Please help by adding your comment to the bug.

Thanks,
Michal

Sure, commented.

What about item 3 from first post? It's X Server issue or driver side issue?
I could test items 1&2 with newer Xorg, but seems like latest DisplayLink driver require workarounds to get this combination working. Is there ETA for newer version that will work without xorg.conf with workaround options?

RussianNeuroMancer 07-12-2017 09:20 PM

1 Attachment(s)
Quote:

Originally Posted by mlukaszek (Post 83419)
Hi,

Sadly, since we've raised the X crash upstream there was no activity:
https://bugs.freedesktop.org/show_bug.cgi?id=98745

Please help by adding your comment to the bug.

Thanks,
Michal

Hello!
After upgrade to Ubuntu Gnome 17.04 I can't get screen attached to dock working at all. I upgraded to Ubuntu Gnome 17.04, uninstalled DisplayLink 1.3.52 driver, reboot, installed DisplayLink 1.3.54 driver, reboot. After that I tried both xorg.conf from FAQ (Intel one and modesetting with disabled page flip) I also tried workaround xorg.conf from this thread - display attached to dock is either always stay black or render only cursor like here.

Please help get DisplayLink driver working! :(

RussianNeuroMancer 01-16-2018 11:48 PM

All issues mentioned above was resolved with DisplayLink Driver 4.1 update.

Only remaining issue right now is tearing on both screens (laptop's screen and external screen).


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