Ubuntu 16.04, unable to install version 1.2 on Dell XPS 9350

[Mrmice]

Dear,

I'm unable to install DisplayLinkManager version 1.2.

:$ sudo ./displaylink-driver-1.2.58.run
Verifying archive integrity... All good.
Uncompressing DisplayLink Linux Driver 1.2.58 100%
DisplayLink Linux Software 1.2.58 install script called: install
Distribution discovered: Ubuntu 16.04.1 LTS
Installing
Configuring EVDI DKMS module
Registering EVDI kernel module with DKMS
Building EVDI kernel module with DKMS
Installing EVDI kernel module to kernel tree
EVDI kernel module built successfully
Installing x64-ubuntu-1604/DisplayLinkManager
Installing libraries
Installing firmware packages
Installing license file
Adding udev rule for DisplayLink DL-3xxx/5xxx devices
Job for dlm.service failed because the control process exited with error code. See "systemctl status dlm.service" and "journalctl -xe" for details.


I did a complete clean install of Ubuntu because my computer was 95% broken after trying so many different solutions.
The bad news is, this clean install didn't solve anything.

My goal is to get my external monitor "Dell U2713" working with my laptop Dell XPS 13 9350 using a Dell D3100 docking station. Although all Dell they don't seem to like each other.

Thanks

[mlukaszek]

I can't see this in the logs you attached for some reason, so - did you try running commands this message suggests?

See "systemctl status dlm.service" and "journalctl -xe" for details.

I suspect it will show modprobing evdi fails, and the most probable reason would be Secure Boot enabled, and failing signature validation - see the note in http://displaylink.org/forum/showthread.php?t=64788

Cheers,
Michal

[Mrmice]

mrmice@MrMice-XPS-13:~/Downloads$ systemctl status dlm.service
● dlm.service - DisplayLink Manager Service
Loaded: loaded (/lib/systemd/system/dlm.service; static; vendor preset: enabled)
Active: activating (auto-restart) (Result: exit-code) since Son 2016-10-02 20:27:52 CEST; 2s ago
Process: 19822 ExecStartPre=/sbin/modprobe evdi (code=exited, status=1/FAILURE)

Okt 02 20:27:52 MrMice-XPS-13 systemd[1]: Failed to start DisplayLink Manager Service.
Okt 02 20:27:52 MrMice-XPS-13 systemd[1]: dlm.service: Unit entered failed state.
Okt 02 20:27:52 MrMice-XPS-13 systemd[1]: dlm.service: Failed with result 'exit-code'.

AND

Okt 02 20:28:34 MrMice-XPS-13 systemd[1]: dlm.service: Control process exited, code=exited status=1
Okt 02 20:28:34 MrMice-XPS-13 systemd[1]: Failed to start DisplayLink Manager Service.
-- Subject: Unit dlm.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dlm.service has failed.
--
-- The result is failed.
Okt 02 20:28:34 MrMice-XPS-13 systemd[1]: dlm.service: Unit entered failed state.
Okt 02 20:28:34 MrMice-XPS-13 systemd[1]: dlm.service: Failed with result 'exit-code'.
Okt 02 20:28:39 MrMice-XPS-13 systemd[1]: dlm.service: Service hold-off time over, scheduling restart.
Okt 02 20:28:39 MrMice-XPS-13 systemd[1]: Stopped DisplayLink Manager Service.
-- Subject: Unit dlm.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dlm.service has finished shutting down.
Okt 02 20:28:39 MrMice-XPS-13 systemd[1]: Starting DisplayLink Manager Service...
-- Subject: Unit dlm.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dlm.service has begun starting up.
Okt 02 20:28:39 MrMice-XPS-13 modprobe[19868]: modprobe: ERROR: could not insert 'evdi': Required key not available
Okt 02 20:28:39 MrMice-XPS-13 systemd[1]: dlm.service: Control process exited, code=exited status=1
Okt 02 20:28:39 MrMice-XPS-13 systemd[1]: Failed to start DisplayLink Manager Service.
-- Subject: Unit dlm.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dlm.service has failed.
--
-- The result is failed.
Okt 02 20:28:39 MrMice-XPS-13 systemd[1]: dlm.service: Unit entered failed state.
Okt 02 20:28:39 MrMice-XPS-13 systemd[1]: dlm.service: Failed with result 'exit-code'.
Okt 02 20:28:44 MrMice-XPS-13 systemd[1]: dlm.service: Service hold-off time over, scheduling restart.
Okt 02 20:28:44 MrMice-XPS-13 systemd[1]: Stopped DisplayLink Manager Service.
-- Subject: Unit dlm.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dlm.service has finished shutting down.
Okt 02 20:28:44 MrMice-XPS-13 systemd[1]: Starting DisplayLink Manager Service...
-- Subject: Unit dlm.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dlm.service has begun starting up.
Okt 02 20:28:44 MrMice-XPS-13 modprobe[19872]: modprobe: ERROR: could not insert 'evdi': Required key not available
Okt 02 20:28:44 MrMice-XPS-13 systemd[1]: dlm.service: Control process exited, code=exited status=1
Okt 02 20:28:44 MrMice-XPS-13 systemd[1]: Failed to start DisplayLink Manager Service.
-- Subject: Unit dlm.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dlm.service has failed.
--
-- The result is failed.
Okt 02 20:28:44 MrMice-XPS-13 systemd[1]: dlm.service: Unit entered failed state.
Okt 02 20:28:44 MrMice-XPS-13 systemd[1]: dlm.service: Failed with result 'exit-code'.

Although

mrmice@MrMice-XPS-13:~/Downloads$ sudo dkms status
evdi, 1.2.58, 4.4.0-38-generic, x86_64: installed

[mlukaszek]

Okt 02 20:28:39 MrMice-XPS-13 modprobe[19868]: modprobe: ERROR: could not insert 'evdi': Required key not available


So, like I said above - either sign the evdi kernel module or disable secure boot.

Regards,
Michal