libbsd - rtems_bsd_initialize() startup failure.

Sebastian Huber sebastian.huber at
Tue Jun 14 11:06:41 UTC 2016

On 14/06/16 12:25, Thomas Kim wrote:
> Dear Sir,
> I have used RTEMS only for one year. Thank you very much.
> But, I started to integrate libbsd right now. I am beginner about libbsd.
> After I test libbsd library in my code, console output is below;
> *** BSD PANIC *** rtems_bsd_threads_init_early: cannot create extension.

I strongly recommend to use a debugger to figure out problems like this 
(e.g. via a stack trace).

You need enough resources for the libbsd. You can find a general purpose 
configuration for example in the libbsd test suite. In this particular 
case a user extension is missing (CONFIGURE_MAXIMUM_USER_EXTENSIONS).

Sebastian Huber, embedded brains GmbH

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