I have confirmed that firmware 221118-0048-00 has issues with ASPM L1 substates enabled on my motherboard (an Asus Z790-P). When substates are enabled you see these errors:
[ 108.763079] pcieport 0000:00:1b.4: AER: Multiple Corrected error received: 0000:00:1b.4
[ 108.763252] pcieport 0000:00:1b.4: PCIe Bus Error: severity=Corrected, type=Physical Layer, (Receiver ID)
[ 108.763257] pcieport 0000:00:1b.4: device [8086:7a44] error status/mask=00000001/00002000
[ 108.763264] pcieport 0000:00:1b.4: [ 0] RxErr
With substates disabled or the card removed the errors are not present.
Upgrading (or downgrading? I can’t tell which) the firmware to 22118-0000-00 removes the errors. Also I tried 211108-0000-00 which works but I think is older, so I stuck with 22118-0000-00.
Has anyone else seen this? I’ve reached out to the seller on Aliexpress to see if they have see this before and have even newer firmware perhaps.