Hi, I have a BBB rev C.

I installed the latest debian image (2015-03-01, Kernel: 3.8.13-bone70) and 
flashed it to the eMMC. After that, I followed some instructions to install 
a Preempt kernel.
The guide I followed is this one: 
http://dev.ardupilot.com/wiki/building-the-code/building-for-beaglebone-black-on-linux/

Apparently, all went well. I only skipped a step where I had to make a 
backup of a zImage. And that's one problem, there's nothing in 
/boot/uboot/, I can't find zImage... Is that normal? I thought that zImage 
was called at boot time to load everything, so where does my BBB boot from?

But the installation of Preempt looks fine.

root@beaglebone:~# ls /lib/modules
3.8.13-bone70  3.8.13-rt9-00899-g6d55dce-dirty

I have the rt folder, but

root@beaglebone:~# uname -a
Linux beaglebone 3.8.13-bone70 #1 SMP Fri Jan 23 02:15:42 UTC 2015 armv7l 
GNU/Linux

i'm still running the old kernel version, how can I boot from the Preempt 
kernel?

Thanks in advance.

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