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Jzbach avatar Ubuntu

Problematic NVIDIA driver installation in linux

kz flag
Jzbach

I have updated recently my drivers in Ubuntu 22.04LTS for the NVIDIA GeForce MX150 to the version 535.86.10 and installed cuda 12.2. I got the newest drivers by sudo ubuntu-driver install and the cuda 12.2 from nvidia directly. However, I get the following output when I am running nvidia-smi:

+---------------------------------------------+
| NVIDIA-SMI 535.86.10              Driver Version: 535.86.10    CUDA Version: 12.2     |
|-----------------------------------------+----------------------+----------------------+
| GPU  Name                 Persistence-M | Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp   Perf          Pwr:Usage/Cap |         Memory-Usage | GPU-Util  Compute M. |
|                                         |                      |               MIG M. |
|=========================================+======================+======================|
|   0  NVIDIA GeForce MX150           On  | 00000000:01:00.0 Off |                  N/A |
| N/A   48C    P8              N/A / ERR! |      4MiB /  2048MiB |      0%      Default |
|                                         |                      |                  N/A |
+-----------------------------------------+----------------------+----------------------+
                                                                                         
+---------------------------------------------+
| Processes:                                                                            |
|  GPU   GI   CI        PID   Type   Process name                            GPU Memory |
|        ID   ID                                                             Usage      |
|=======================================================================================|
|    0   N/A  N/A      2305      G   /usr/lib/xorg/Xorg                            4MiB |
+---------------------------------------------+

Why do I get so many N/A and why is there even an "ERR!" in the middle? I cannot really understand this table, since I didn't find much information in its documentation

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hu flag
mikewhatever
It is unclear how many driver are there. You've only mentioned one version. Did you get many drivers of that version? How many? The document you've mentioned explains what N/A means in several places. Do look it up. There seems to be nothing problematic about this driver install or update or get ...whatever you call it.
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cc flag
ubfan1
The 22.04 Nvidia driver from the restricted repos is 535.86.05, not 535.86.10. The Ubuntu repo drivers come with update scripts so a kernel or driver update will rebuild the driver. Also of note, right now, doing an upgrade did get the 535.86.05, but policy show an 80% phased on the nvidia-driver-535, so that may cause some problems.
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Jzbach avatar
kz flag
Jzbach
@mikewhatever you are right, I looked up for "ERR!" in the documentation, not for "N/A", but still the documentation is apparently not up to date and I could not find there anything. I did tho in a random Medium article and at least I understand more of the output now.
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Jzbach avatar
kz flag
Jzbach
@ubfan1 `sudo ubuntu-drivers install` gave me that version directly, I did not select anything. In "Additional Drivers" I can see only "nvidia-driver-525" as a tested driver. But if this driver does not have actually any problem, then I'm happy to leave it as it is.
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cc flag
ubfan1
If you use the graphics-drivers PPA, it may have the 86.10 and will be OK, but the CUDA 12.2 does offer the 86.10, and if used, will probably cause problems when a normal kernel update occurs and the driver needs to be rebuilt.
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