Ubuntu

NVIDIA driver 418.67 - Ubuntu 19.04

Asked by Javinator9889

Today I received an Ubuntu 19.04 update which updates the base generic kernel (5.0.0-16-generic) and also a NVIDIA driver update from 418.56 to 418.67

Everything went ok but when rebooted I was unable to pass from login screen (when I put my credentials, it starts but freezes on "black" screen in which I have to reboot by long pressing the power button).

While viewing the logs, everything displayed and said that it was impossible to find and connect to any GPU (not found), so I tried manually installing the 430 drivers from NVIDIA PPA and also swtiching back to 418.56 driver version, but in both cases I was only able to boot by using the integrated Intel graphics and disabling the NVIDIA ones. In addition, there is no xorg.conf file which NVIDIA asked to and it is impossible to open XServer Settings (no card connected and no configuration available).

Finally, when trying to install NVIDIA drivers manually from NVIDIA page, the DKMS module complained about a non-finished installed package, which was not shown if trying to execute an "apt --fix-broken install".

I thought it was maybe because my GPU card died but I was able to boot to Windows and use the GPU normally.

I was going to submit this as a possible bug but I didn't do as there is no properly crash on my system.

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Javinator9889
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Javinator9889 (javinator9889) said : 		#1

I managed to resolve this problem. Here I will describe the steps and errors I did and/or occurred:

 1. I added the NVIDIA drivers PPA: ppa:graphics-drivers/ppa which caused to install a new non-
    distro free version of my current driver: from 418.56 to 418.67.
 2. The new driver version included new dependencies that caused X-Org to crash when trying to use
    NVIDIA for processing the screen.
 3. In addition, the new installation created non-valid "xorg.conf" which caused, again, X-Org
    crashing when trying to log-in either boot screen.

The solution:
 1. Remove both NVIDIA drivers PPA and CUDA ones from "sources.list" and/or "sources.list.d".
 2. Uninstall both "mesa drivers" and "gstreamer":
    $ sudo apt remove mesa-va-drivers gstreamer1.0-vaapi

[REBOOT]

 3. Completely delete "/etc/X11/xorg.conf" which contains invalid configuration.
 4. Remove new NVIDIA drivers and libraries in order to install the "older" (but working) ones.
    $ sudo apt remove --purge nvidia-*
    $ sudo apt remove --purge libnvidia*
    $ sudo apt remove --purge *nvidia*
    $ sudo apt remove --purge *cuda*
    I removed that all because of new dependencies installed in order to avoid versions' compatibility errors when trying to install the recommended drivers.

[REBOOT]

 5. Install recommended drivers with:
    $ sudo ubuntu-drivers autoinstall

[REBOOT]

 6. Boot again into Ubuntu and log-in normally, checked "nvidia-smi" and got working configuration:
    $ nvidia-smi
Sat Jun 15 17:25:18 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 418.56 Driver Version: 418.56 CUDA Version: 10.1 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 950M Off | 00000000:01:00.0 Off | N/A |
| N/A 43C P8 N/A / N/A | 750MiB / 2004MiB | 0% Default |
 +-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 1207 G /usr/lib/xorg/Xorg 24MiB |
| 0 1431 G /usr/bin/gnome-shell 48MiB |
| 0 1693 G /usr/lib/xorg/Xorg 120MiB |
| 0 1878 G /usr/bin/gnome-shell 460MiB |
| 0 2137 G /usr/bin/nextcloud 2MiB |
| 0 2641 G ...-token=671EE9C10F25860492D3CA477A4C4162 5MiB |
| 0 2690 G ...quest-channel-token=4068114528266404073 7MiB |
| 0 2702 G ...uest-channel-token=18369271805930189070 33MiB |
| 0 3188 G ...quest-channel-token=6098888096153109739 5MiB |
| 0 3304 G ...quest-channel-token=5873873380325413621 38MiB |
 +-----------------------------------------------------------------------------+