I have a SAMA5D36-Xplained. I have configured NuttX to use the GMAC gigabit
ethernet as eth0, and EMACA 10/100 ethernet as eth1.

NuttX compiles and runs. When I do ifconfig, I see both interfaces. But I
plug an ethernet cable into either port and into my laptop's ethernet port,
neither interface will come up:

nsh> ifconfig
> eth1 Link encap:Ethernet HWaddr 00:00:00:00:00:00 at DOWN
> inet addr:107.127.109.40 DRaddr:107.127.109.1 Mask:255.255.255.0
>
> eth0 Link encap:Ethernet HWaddr 00:e0:de:ad:be:ef at DOWN
> inet addr:10.0.0.2 DRaddr:10.0.0.1 Mask:255.255.255.0
>

Any ideas how to debug? Stepping through netdev_ifr_ioctl doesn't show any
errors– the device just doesn't show UP afterwards...

-adam
-- 
Adam Feuer <a...@starcat.io>

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