Public bug reported:
We enumerate devices by attempting config reads to the Vendor ID of each
possible device. On conventional PCI, if no device responds, the read
terminates with a Master Abort (PCI r3.0, sec 6.1). On PCIe, the config
read is terminated as an Unsupported Request (PCIe r6.0, sec 2.3.2,
7.5.1.3.7). In either case, if the read addressed a device below a bridge,
it is logged by setting "Received Master Abort" in the bridge Secondary
Status register.
Clear any errors logged in the Secondary Status register after
enumeration.
** Affects: linux-nvidia (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2071654
Title:
PR for: "PCI: Clear Secondary Status errors after enumeration"
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