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.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1818816 Title: Ubuntu 16.04 LTS + "lspci: Cannot open /sys/bus No such file" on Dell 5820 Tower To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1818816/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
