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Date: Tue, 16 Jan 2018 16:04:11 +0100
From: Andrew Lunn <andrew@lunn.ch>
To: mad skateman <madskateman@gmail.com>
Cc: Christian Zigotzky <chzigotzky@xenosoft.de>,
 Joakim Tjernlund <Joakim.Tjernlund@infinera.com>,
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 "madalin.bucur@nxp.com" <madalin.bucur@nxp.com>,
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Subject: Re: DPAA Ethernet traffice troubles with Linux kernel
Message-ID: <20180116150411.GG22903@lunn.ch>
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> When i use mii-tool too Kick the tranceiver... it comes alive.. i can
> ping the eth0 itself
> 
> root@X5000LNX:/home/skateman# mii-tool -R eth0
> resetting the transceiver...
> root@X5000LNX:/home/skateman# ping 192.168.22.44
> PING 192.168.22.44 (192.168.22.44) 56(84) bytes of data.
> 64 bytes from 192.168.22.44: icmp_seq=1 ttl=64 time=0.045 ms
> 64 bytes from 192.168.22.44: icmp_seq=2 ttl=64 time=0.046 ms
> 64 bytes from 192.168.22.44: icmp_seq=3 ttl=64 time=0.047 ms
> 64 bytes from 192.168.22.44: icmp_seq=4 ttl=64 time=0.048 ms

What PHY driver are you using?

This smells a bit like an RGMII-ID problem.

     Andrew