Public bug reported: Installed the 18.04 GM version, and upgraded latest updates. The kernel is 4.15.0-20. And there are nvidia card. It used noveau as default. After I installed the nvidia-384 packages, this issue was gone. So I doubt it's bug for noveau.
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:3ec4] (rev 07) 00:01.0 PCI bridge [0604]: Intel Corporation Sky Lake PCIe Controller (x16) [8086:1901] (rev 07) 00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:3e9b] 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:1cba] (rev a1) ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1770581 Title: lspci will hang and can't be killed on ThinkPad P52 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1770581/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs