The errors comes from physical layer so they likely comes from the root
port (00:1d.0) or the device attaches to it. Also, PCIe correctable
errors are handled by hardware, so one can turn off some hardware-
related features, such as apsm (pcie_aspm=off) or msi (pci=nomsi), to
verify whether there are improvement.

It is also possible to stop reporting errors via aer (pci=noaer), though
this is not recommended.

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https://bugs.launchpad.net/bugs/1888523

Title:
  PCIe Bus Error device 8086:a298 spam

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