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FS#616 - Ethernet port fails to receive traffic if traffic was received during init #7101

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openwrt-bot opened this issue Mar 10, 2017 · 0 comments
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syoder89:

Symptoms: Fails to receive address via DHCP on WAN port
Board: WPJ558
Lede ver: 92b5b36 (Mar 7, 2017)
Steps to reproduce: ping -f wan_port_ip from another machine, reboot WPJ558

I have tracked the problem down to commit lede-project/source@94e4ee5 , more specifically enabling flow control on ports 1-5.

The problem goes away if I comment out line 693 from the patch:

  •   t |= AR8216_PORT_STATUS_FLOW_CONTROL;
    

Funny how this caused the problem it was trying to solve...

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