If the same kernel works under Bionic but not under Xenial, I guess it's grub2 in Bionic makes the difference.
I already subscribed the correct team to work on this, hopefully they can give you an answer soon. -- 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
