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I am trying to get Ubuntu 20.04 running on a computer (desktop) with a GeForce 2080Ti and I had no luck with various versions of the nvidia drivers (440 from ppa, latest 450 from nividia website).

However, I could not get it to work :

nvidia-smi --> No devices were found.

In /var/log/Xorg.0.log --> (EE) Failed to initialize the NVIDIA GPU at PCI:7:0:0.

dmesg --> NVRM: GPU 0000:07/00.0: RmInitAdapter failed!

Other info that could help:

  • I have a GUI when I prime-select intel
  • Secure boot is disabled
  • nouveau is blacklisted

Thanks for help,

Laurent Prévot
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    I continued to look for solutions... I have added mem_encrypt=off but I still get the very same output. Any ideas someone? Could it be a hardware problem? – Laurent Prévot Sep 01 '20 at 13:54
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    What other hardware are you using? I have similar issues, this happens only sometimes after reboot, rebooting again "solves" the issue. (Driver Version: 440.33.01, AMD Ryzen 9 3900X 12-Core Processor, ROG Motherboard, not sure about exact chipset version) – rock-ass Sep 22 '20 at 12:12
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    Will check the details later but it is also AMD Ryzen + ROG motherboard... Mine never works though (it is not only "sometimes"). My current step is to perform a windows install to see if the problem is the same (if "yes" I would conclude as a an hardware issue, if "no", I will dig further to find a linux solution) – Laurent Prévot Oct 01 '20 at 04:49
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    Did you solve it –  Nov 08 '20 at 01:38
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    No, I haven't found the time to perform the windows install. I will keep updated about the results here. If anyone has a suggestion, it is welcome though! – Laurent Prévot Nov 09 '20 at 05:42
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    Interesting, I'm having the same issue also on a Ryzen 3900X but with Asus x570 prime. – James Newbould Nov 10 '20 at 21:51
  • Windows install did not change anything. Now, I am 99% confident it is an hardware issue. – Laurent Prévot Feb 05 '21 at 05:41

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