Re: e1000e: abysmal performance of 8086:15fb rev 20 Ethernet

On Saturday 2021-08-14 22:16, Jan Engelhardt wrote:

I have here the following machine:

 Fujitsu Lifebook U7311 laptop (2021)
 product code VFY:U7311MF5AMDE
 Family 6 Model 140 Intel "11th gen" Core i5-1135G7
 i219-LM rev 20 Ethernet chip

and this TGL Eternet performs absolutely miserably, achieving only
like 1/100th of the supposed RX speed most of the time.

[    0.000000] Linux version 5.14.0-rc5-1-default+ (root@localhost.localdomain) (gcc (SUSE Linux) 11.1.1 20210721 [revision 076930b9690ac3564638636f6b13bbb6bc608aea], GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.36.1.20210326-4) #3 SMP Sat Aug 14 19:29:53 CEST 2021

I find that this is fixed in 5.15(.8).