Hello Team, I'm experiencing similiar issue on Ubuntu 16.04 on Dell 5820 Tower. I'm using Display port monitor, inorder to get proper display I need to download nvidia driver from ppa:graphics-drivers/ppa
After install nvidia-384 and did a reboot, still no display, but can able to see the PCI modules conflicted #lspci -v lspci: Cannot open /sys/bus/pci/devices/0000:00:03.0/resource: No such file or directory There is no issue with Ubuntu 18.04 , which is works perfectly on the same machine. Ubuntu 16.04 having issue. Below is the environment details. ================================= Ubuntu 16.04.4 LTS Xenial Kernel - 4.15.0-46-generic NVIDIA Quadro P4000 $lshw -C Display WARNING: you should run this program as super-user. *-display description: VGA compatible controller product: NVIDIA Corporation vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:65:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: vga_controller bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:29 memory:d7000000-d7ffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:b000(size=128) memory:d8000000-d807ffff #dpkg -l | grep xserver-xorg-core-hwe-16.04 ii xserver-xorg-core-hwe-16.04 2:1.19.5-0ubuntu2~16.04.1 $dpkg -l | grep nvid ii nvidia-384 384.130-0ubuntu0.16.04.1 amd64 NVIDIA binary driver - version 384.130 ii nvidia-opencl-icd-384 384.130-0ubuntu0.16.04.1 amd64 NVIDIA OpenCL ICD ii nvidia-prime 0.8.2 amd64 Tools to enable NVIDIA's Prime ii nvidia-settings 415.27-0ubuntu0~gpu16.04.1 amd64 Tool for configuring the NVIDIA graphics driver -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1772787 Title: lspci command cannot work normally in ubuntu16.04.4 with 4.10.0-40 kernel Status in linux package in Ubuntu: Invalid Bug description: Execute lspci command in ubuntu 16.04.4 with kernel update (kernel:4.10.0-40-generic), but always prompt error that cannot open /sys/bus/pci/devices/0001:00:02.0/resource: no such file or directory. Execute lspci command in ubuntu 16.04.4 without kernel update (kernel:4.4.0-116-generic), issue not exist. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1772787/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp