Hans Petter Selasky wrote this message on Sun, Jul 12, 2020 at 09:57 +0200: > On 2020-07-12 00:44, John-Mark Gurney wrote: > > Hello, > > > > I'm having issues getting good ethernet performance from a USB ethernet > > adapter (ure) under FreeBSD on an HP EliteDesk 705 G2 Mini[1]. It's an > > AMD PRO A10-8700B based system using the AMD A78 FCH chipset. > > > > Under FreeBSD -current (r362596), 12.1-R and 11.4-R, the RealTek USB > > adapter only gets around 10MB/sec performance. During the transfer, > > the CPU usage is only around 3-5%, so it's definitely not CPU bound. > > > > I have tested Windows 10 and NetBSD 9.0 performance, and both provide > > 100MB/sec+ w/o troubles. > > > > I have attached dmesg from both FreeBSD -current and NetBSD 9.0. > > > > Any hints on how to fix this? > > > > This may be related, but I'm also having issues w/ booting when I have > > both a SD USB 2.0 card reader AND the ure plugged into USB 3.0 ports. > > > > If I move the SD card reader to USB 2.0, the umass device will attach > > and work. I have also attached a clip of the dmesg from that > > happening. > > > > Has anyone else seen this issue? Ideas or thoughts on how to resolve > > the performance issues? > > Can you check the output from ifconfig. What is the actual link speed. I > suspect it has something to do with the MII bus code/implementation. ifconfig is reporting it's 1000baseT. > Also check output from "vmstat -i" during usage to see if the number of > IRQ/s is low. Not sure what is considered low, but I'm seeing consistently around 7800 int/s for xhci0. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."Received on Sun Jul 12 2020 - 19:54:53 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:24 UTC