Hello, Any help on how to debug this would be greatly appreciated. Olivier On Mon, 2020-07-06 at 18:24 -0400, Olivier Crête wrote: > Hi, > > I have a rtl 8812ae PCI desktop card and I get really poor connectivity > in Linux. In particular, I get ping times that increase a lot if I use > the connection a lot. > > What I noticed by comparing with my Intel-based laptop next to it is > that iwconfig always reports a rate of 866.7Mb/s, while the rate on my > laptop fluctuates in the 100-250Mb/s range. I tried forcing the rate > with iwconfig, and it seems to help a little, but it's still not good > enough. So I suspect something is wrong with the rate control? > > I've played around with the various rtlwifi module options and they > don't help. > > I was suggested disable ASPM, but my motherboard doesn't seem to > support ASPM at all. > > On the same computer, the card works as advertised in Windows, so I'm > pretty sure it's a driver/software issue. > > I'm testing with kernel 5.6.19 and linux-firmware 20200619. And the > card is a TP-Link Archer T4E. > > Please let me know how I can help debug this, > -- Olivier Crête olivier.crete@xxxxxxxxx
