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Old 01-11-2018, 03:25 PM   #1
Emulator
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Default Ubuntu 17.10 monitor not detected (black screen)

Hi,
I just upgraded my system from Ubuntu 16.10 to Ubuntu 17.10, uninstalled and reinstalled last version of the driver but the screen connected on my DisplayLink D1000 USB3.0 is not working anymore.

I've attached here the report from the Linux tool as suggested.

Thank you for the support!
Attached Files
File Type: zip 2018-01-11T17:21:42.227814.zip (251.0 KB, 0 views)
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Old 01-11-2018, 03:38 PM   #2
Emulator
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The service is correctly running as I can see it here:
Code:
● dlm.service - DisplayLink Manager Service
   Loaded: loaded (/lib/systemd/system/dlm.service; enabled; vendor preset: enabled)
   Active: active (running) since Thu 2018-01-11 17:20:54 CET; 15min ago
  Process: 1128 ExecStartPre=/bin/sh -c modprobe evdi || (dkms install evdi/4.1.9 && modprobe evdi) (code=exited, status=0/SUCCESS)
 Main PID: 1131 (DisplayLinkMana)
    Tasks: 33 (limit: 4915)
   Memory: 22.5M
      CPU: 3.133s
   CGroup: /system.slice/dlm.service
           └─1131 /opt/displaylink/DisplayLinkManager

gen 11 17:20:54 Dario systemd[1]: Starting DisplayLink Manager Service...
gen 11 17:20:54 Dario systemd[1]: Started DisplayLink Manager Service.
I think that something is wrong on this part of dmesg:
Code:
[    5.580251] evdi: [D] add_store:239 Increasing device count to 1
[    5.580401] evdi: [D] evdi_crtc_init:351 drm_crtc_init: 0
[    5.580452] evdi: [W] evdi_painter_crtc_state_notify:484 Painter does not exist!
[    5.580454] evdi: [D] evdi_detect:78 Painter is disconnected
[    5.580457] [drm] Cannot find any crtc or sizes - going 1024x768
[    5.581326] evdi evdi.0: fb1: evdidrmfb frame buffer device
[    5.581328] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    5.581328] [drm] No driver support for vblank timestamp query.
[    5.581432] [drm] Initialized evdi 1.5.0 20170419 for evdi.0 on minor 1
[    5.581432] [drm] evdi: evdi_stats_init
[    5.585092] open /dev/fb1 user=1 fb_info=ffff9b9339886800 count=1
[    5.586753] evdi: [D] evdi_detect:78 Painter is disconnected
[    5.605397] evdi: [D] evdi_painter_connect:572 (dev=1) Connected with ffff9b9335587200
[    5.605400] evdi: [D] evdi_detect:75 (dev=1) Painter is connected
[    5.605483] evdi: [D] evdi_painter_crtc_state_notify:481 (dev=1) Notifying crtc state: 3
[    9.883756] released /dev/fb1 user=1 count=0
I'm very frustated because I can't get it work as before and I cannot use the external monitor anymore
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Old 01-11-2018, 04:03 PM   #3
Emulator
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I just discovered that if I disconnect the USB dock and then I restart Ubuntu then I login and I reconnect the USB after a few seconds, it works! It's very weird!
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Old 01-18-2018, 09:33 AM   #4
deadmanisarabbit
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Quote:
Originally Posted by Emulator View Post
I just discovered that if I disconnect the USB dock and then I restart Ubuntu then I login and I reconnect the USB after a few seconds, it works! It's very weird!
This(!) brought back my second monitor after nearly a month.
Thank you very much good sir!
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Old 01-18-2018, 12:43 PM   #5
Emulator
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Quote:
Originally Posted by deadmanisarabbit View Post
This(!) brought back my second monitor after nearly a month.
Thank you very much good sir!
You are welcome! I'm using this trick in order to use my 3rd monitor correctly but it's very very annoying.
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