On Thu, Mar 22, 2018 at 07:31:59PM +0300, Matwey V. Kornilov wrote: > Hi, > > I am running 4.16-rc6 and see the following issue with ASIX > usb-ethernet dongle running on BeagleBoneBlack (TI AM335x). Does the issue also happen on older kernels? > My device is 100Mbps USB 2.0 dongle (ASIX AX88772 USB 2.0 Ethernet > idVendor=0b95, idProduct=7720). I've also tried 1Gbps USB 3.0 ASIX > dongle, that shows the same behavior. > > When I start iperf server on the host, and start remote client in UDP > (iperf3 -c ip -b 100M -u). The following I see at BeagleBoneBlack > side. If this is not a regression in v4.16, please try with lower '-b', musb rx is kinda slow right now. > > ----------------------------------------------------------- > Server listening on 5201 > ----------------------------------------------------------- > Accepted connection from 192.168.185.4, port 38624 > [ 5] local 192.168.185.218 port 5201 connected to 192.168.185.4 port 38088 > [ ID] Interval Transfer Bitrate Jitter > Lost/Total Datagrams > [ 5] 0.00-12.09 sec 1.33 MBytes 921 Kbits/sec 1742978.415 ms > 317/487 (65%) > [ 5] 12.10-13.00 sec 24.0 KBytes 218 Kbits/sec 1436810.214 ms 0/3 (0%) > [ 5] 13.00-13.37 sec 0.00 Bytes 0.00 bits/sec 1436810.214 ms 0/0 (0%) > - - - - - - - - - - - - - - - - - - - - - - - - - > [ ID] Interval Transfer Bitrate Jitter > Lost/Total Datagrams > [ 5] 0.00-13.37 sec 1.35 MBytes 848 Kbits/sec 1436810.214 ms > 317/490 (65%) receiver > ----------------------------------------------------------- > Server listening on 5201 > ----------------------------------------------------------- I will try to reproduce it when I get some time. > Kernel config is attached here. > > -- > With best regards, > Matwey V. Kornilov Regards, -Bin. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
