Can you try to boot the previous kernel 4.15.0-45-generic?
I have a (different?) problem with 4.15.0-46-generic and nvivia-384. In my case lightdm won't start. Reverting back to 4.15.0-45-generic "solved" it for me.
Can you try to boot the previous kernel 4.15.0-45-generic?
I have a (different?) problem with 4.15.0-46-generic and nvivia-384. In my case lightdm won't start. Reverting back to 4.15.0-45-generic "solved" it for me.