On Sun, Jun 12, 2016 at 6:23 PM,  <[email protected]> wrote:
> I have built the 4.1.24-bone-rt-r21 kernel and loaded it onto an sd card
> which I am booting from on the beaglebone black. However, when it boots, the
> LEDs do not flash. Any ideas why this might be? The LEDS flash if I use the
> 3.8.13 kernel so it is not a hardware issue. I also don't see any boot
> issues except for the crap about libphy not finding the mdio (which occurs
> no matter what kernel I use).

Plug in a usb-serial adapter and show us what's happening at bootup..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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