Hello all,

Over the last few days I've been trying to get the 3.2 Linux Kernel 
(AM335x-PSP_04.06.00.11) that comes with TI's 06.00.00.00 SDK to work on 
the Beagle Bone Black with a Debian root file system. I compiled the kernel 
from their source code myself along with a few extra modules that I need. 
The end goal is to port a data logging application to the Beagle Bone 
Black. The reason to use TI's kernel is that it is the only kernel that I 
am aware of that supports power management functionality on the Beagle Bone 
Black. The reason to use Debian is because the data logging application 
currently runs on a Debian system; pre-built packages and experience with 
Debian ought to make the port easier. 

I have managed to successfully bolt the 3.2 kernel into a Debian root file 
system that runs off the emmc. Everything seems to work fine except that 
the board reboots itself at random intervals (typically at least once every 
4 hours). At the time of the reboots I am not running any application and 
am just letting Linux idle. 

The reboots are not accompanied by any suspicious messages in syslog or 
dmesg (I also have an FTDI cable hooked up to capture messages from the 
console and still see nothing). 

I am powering the board via the barrel connector and have tried multiple 
power supplies but see no improvement. To further rule out power supply 
issues, I have also tried the 3.8 kernel with the exact same root file 
system with the same boot loader and have found that the reboots simply 
disappear. 

At this point I am very stuck and am open to any ideas and will be very 
thankful for any insights.

I fear that in order to get up and running with a Kernel that supports 
power management I may have to use TI's Arago distribution and compile all 
needed packages from source which, although I've never done something like 
that before, seems like it would take a whole lot of time and effort. 

Thanks!


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