(In reply to david chang from comment #41) > I've created the test kmp which disable aspm as Heiner's suggestion. Could > you please give it a try? > > https://download.opensuse.org/repositories/home:/david_chang:/bsc1119649/ > openSUSE_Tumbleweed/x86_64/r8169-test-kmp-default-2.3_k4.20.6_1-1.1.x86_64. > rpm With that test driver both receive and transmit performance seems to be more or less on par with kernel 4.18.15 performance again. I ran the usual NFS transfer and iperf tests several times and the results were pretty stable on each test run. Results attached.