I have an Ubuntu 20.04 system which has been working perfectly with an nvidia 1080Ti card. I recently allowed the software updater on ubuntu to install some pending updates and my nvidia card stopped working. I did not upgrade to ubuntu-20.04 from a previous version of ubuntu. This system has bee…

Thank you for the quick response. I showed the output of grep nvidia /etc/modprobe.d/* /lib/modprobe.d/* in the original post. This is what the grep finds: /etc/modprobe.d/blacklist-framebuffer.conf:blacklist nvidiafb Is it correct to remove (or comment out) that entry, update the ramfs and reboo…

That file has to stay where it is. The driver is installed and avalable, it just doesn’t load. Please try updating the initrd sudo update-initramfs -u Can you manually load the driver? sudo modprobe nvidia

I tried: sudo update-initramfs -u sync reboot and it had no effect (no difference in behavior). I then tried: $ sudo modprobe nvidia modprobe: ERROR: could not insert 'nvidia': Key was rejected by service

Please removing and adding the modules: sudo dkms remove nvidia/460.39 --all sudo dkms install nvidia/460.39 -k $(uname -r) sudo update-initramfs -u

@generix - thank you very much for your help. Your instructions above for removing and re-installing the nvidia kernel modules worked for me. I did make one change to the commands you cited above. When I ran the dkms install command, I got quite a few messages like this: Good news! Module versio…

I am attaching debug logs: nvidia-bug-report.log.gz (1.3 MB)

Hey all. When I run nvidia-smi, I get the following output: NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running. dkms status: nvidia, 470.57.02: added nvidia-settings: ERROR: NVIDIA driver is not lo…

I have the same problem with exact same outputs. Please help!

NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver after updating Ubuntu 20.04

Graphics / Linux Linux

generix March 15, 2021, 5:56pm 2

Please run

grep nvidia /etc/modprobe.d/* /lib/modprobe.d/*

to find a file containing

blacklist nvidia

and remove it,
then run

sudo update-initramfs -u

and reboot.

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NVIDIA-SMI has failed because it couldn’t communicate with the NVIDIA driver after updating Ubuntu 20.04

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