Nvidia Ubuntu 22.04LTS driver troubleshooting / esp. for eGPU's

nvidiatroubleshoot.sh

# print term-width horizontal line
function viivo() {
printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' - | lolcat -f ;
}

# find nvidia related troubles
function nvidiatroubleshoot() {
sudo echo ""
viivo &&
sudo dmesg | grep -i -e "nv-" -e "nvidia" -e "drm" &&
viivo &&
cat /proc/modules | grep -e nvidia;
viivo &&
lsmod  | grep nvidia;
viivo &&
sudo modprobe nvidia -vv;
viivo &&
lspci -k | grep -A 2 -E "(VGA|3D)";
viivo &&
dkms status;
viivo &&
echo "::: Thunderbolt (eGPU) status on 'boltctl'" &&
viivo &&
boltctl;
viivo &&
echo "::: Thunderbolt in 'dmesg' ..." &&
viivo &&
sudo dmesg | grep -i thunderbolt;
viivo &&
echo "::: Displaying 'journalctl' for entries ..." &&
viivo &&
journalctl -b | grep -i "drm\|nvidia\|01:00.0";
viivo &&
echo ""
}

nvidiatroubleshoot