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Ethernet reception hang up after conducted immunity test

Joan Duran
Prodigy 110 points

Hi,

We are performing the conducted immunity test (EN-6100-4-6) in a AM335 with an external Micrel KSZ8081 PHY and using the kernel 3.14.26. Some times after performing this test, the Ethernet reception doesn't work until we restart it using "ifdown eth0; ifup eth0". Do you know what's happening?

Also we detected a strange value in "Rx Align/Code Errors": This value have an high increase just before the reception hang up.

root@circutor:~# ethtool -S eth0 | grep "Errors"
     Rx CRC Errors: 1
     Rx Align/Code Errors: 613

Any help would be most welcome!