Re: [MinnowBoard] Minnoboard lockups "rcu_preempt self-detected stall on CPU"

[Hart, Darren]

On Jan 31, 2014, at 7:50, Carroll Vance <van...@gmail.com> wrote:

> Hi, I received my minnow board a few months ago but I have never been able to get it use it much without it locking up / resetting. One sure way to make it lockup is running "opkg upgrade", it will freeze after a while.
>
> The first thing I tried to address this issue was updating my firmware (from 0.84 to 1.00). Before the upgrade I never got any message from the kernel saying what was wrong, but after I started getting alot of these printing out on the screen:
>
> INFO: rcu_preempt self-detected stall on CPU

I presume the machine is completely unresponsive at this point? Is that right? No response over serial nor keyboard? If you power the board down completely and plug it back in, does it go away?

> Ive searched google for the general minnowboard freezes/lockups and the specific error message, but I turned up nothing. Is it possible I just have a bad board?

You said it didn't do this with 0.84 firmware? How much run time did you get before flashing the FW?

--
Darren