Just upgraded from Ubuntu 16 to 18.04.
In my case the problem arises when I unload the driver and then try to
load it again. After the error dmesg states the possible cause:
[ 966.030549] NVRM: API mismatch: the client has the version 390.116, but
NVRM: this kernel module has the version 384.130. Please
NVRM: make sure that this kernel module and all NVIDIA driver
NVRM: components have the same version.
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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to nvidia-graphics-drivers-390 in Ubuntu.
https://bugs.launchpad.net/bugs/1774359
Title:
could not find module by name='off'
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/+bug/1774359/+subscriptions
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