I don't know how to edit posts but I wanted to add: I plugged a different m.2 NVMe from a different manufacturer into the "M2A_32G" port to see if the port is the problem. There are no errors. I can only replicate the problem with the XPG NVMe in port "M2A_32G".
** Attachment added: "Z370 AORUS Gaming 7 Motherboard Layout.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1888523/+attachment/5395628/+files/Z370%20AORUS%20Gaming%207%20Motherboard%20Layout.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888523 Title: PCIe Bus Error device 8086:a298 spam To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1888523/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs