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+--- Thread: usb3 ethernet problem (/showthread.php?tid=14113)
usb3 ethernet problem - LMM - 06-05-2021
hi all,
I have a problem with my eth to USB adapter. It has been reported sometime. My device is a realtek 1853 gigabit adapter. I use 3 RockPro64. one server, one client and one for the router.
A --- <usb3> R <eth0> --- B
I use iperf to measure the transmission speed.
R © <usb3> ---> A(s) : ~710 Mb/s
R © <eth0> ---> B (s) : ~950Mb /s
B © --> [eth0] R [usb3] --> A (s) : ~12 Mb/s !!
A © --> [usb3] R [eth0] --> B (s) : ~ 900 Mb/s !!
The arrow indicates the request direction (from the iperf client to the iperf server)
and in the last case I have in the router log :
Code:
Jun 5 21:54:32 azuria kernel: [ 5846.226479] r8152 6-1.3:1.0 enx4865ee168232: set_registers -71
Jun 5 21:54:32 azuria kernel: [ 5846.227055] r8152 6-1.3:1.0 enx4865ee168232: set_registers -71
Jun 5 21:54:32 azuria kernel: [ 5846.227638] r8152 6-1.3:1.0 enx4865ee168232: get_registers -71
Jun 5 21:54:32 azuria kernel: [ 5846.228213] r8152 6-1.3:1.0 enx4865ee168232: set_registers -71
Jun 5 21:54:33 azuria kernel: [ 5846.316310] usb 6-1.3: reset SuperSpeed Gen 1 USB device number 4 using xhci-hcd
Jun 5 21:54:33 azuria kernel: [ 5846.444290] usb 6-1.3: reset SuperSpeed Gen 1 USB device number 4 using xhci-hcd
Jun 5 21:54:40 azuria kernel: [ 5853.722283] r8152 6-1.3:1.0 enx4865ee168232: skb_to_sgvec fail -90
Jun 5 21:54:40 azuria kernel: [ 5853.723976] r8152 6-1.3:1.0 enx4865ee168232: skb_to_sgvec fail -90
Jun 5 21:54:45 azuria kernel: [ 5858.761066] r8152 6-1.3:1.0 enx4865ee168232: Tx timeout
Jun 5 21:54:46 azuria kernel: [ 5859.273117] r8152 6-1.3:1.0 enx4865ee168232: get_registers -110
Jun 5 21:54:46 azuria kernel: [ 5859.785113] r8152 6-1.3:1.0 enx4865ee168232: set_registers -110
Jun 5 21:54:47 azuria kernel: [ 5860.297114] r8152 6-1.3:1.0 enx4865ee168232: get_registers -110
Jun 5 21:54:47 azuria kernel: [ 5860.297713] r8152 6-1.3:1.0 enx4865ee168232: get_registers -71
Jun 5 21:54:47 azuria kernel: [ 5860.298291] r8152 6-1.3:1.0 enx4865ee168232: set_registers -71
Jun 5 21:54:47 azuria kernel: [ 5860.298981] r8152 6-1.3:1.0 enx4865ee168232: Tx status -2
Jun 5 21:54:47 azuria kernel: [ 5860.299030] r8152 6-1.3:1.0 enx4865ee168232: Tx status -2
Jun 5 21:54:47 azuria kernel: [ 5860.299073] r8152 6-1.3:1.0 enx4865ee168232: Tx status -2
Jun 5 21:54:47 azuria kernel: [ 5860.299118] r8152 6-1.3:1.0 enx4865ee168232: Tx status -2
Jun 5 21:54:47 azuria kernel: [ 5860.299205] r8152 6-1.3:1.0 enx4865ee168232: get_registers -71
Jun 5 21:54:47 azuria kernel: [ 5860.299782] r8152 6-1.3:1.0 enx4865ee168232: set_registers -71
....Do you have an idea on what is going on ?
Correction : the error occur at the lowest speed (of course)
RE: usb3 ethernet problem - LMM - 06-06-2021
I have this problem with Armbian Focal (ubuntu) and Buster (debian). It seems that it depends on the window size : below 120K it is ok.
I tried with openWRT all is ok !! 820Mb/s on one side and 900/s the other. I'll use openWRT.