That's why mainline r8169 disables ASPM completely. Users still have the option to re-enable individual ASPM states per sysfs, but that's at own risk.
It's not known why and which combinations of board chipset / BIOS / NIC chipset version have an issue when ASPM L1 is enabled. All three components may contribute, unfortunately Realtek doesn't release errata information.
That's why mainline r8169 disables ASPM completely. Users still have the option to re-enable individual ASPM states per sysfs, but that's at own risk.
It's not known why and which combinations of board chipset / BIOS / NIC chipset version have an issue when ASPM L1 is enabled. All three components may contribute, unfortunately Realtek doesn't release errata information.