Context Switch Problem

Chris Johns chrisj at
Fri May 12 12:50:14 UTC 2006

Samuel Bitton wrote:
> Hi
> I'm currently working on a new RTEMS BSP for a custom made board based around the i386ex processor.
> The software currently breaks towards the end of RTEMS initialisation, at the point where it is doing the first context switch (_Context_Switch called at the end of _Thread_Start_multitasking).
> My application only has one small init task which toggles a line indefinitely. 
> Any idea what could be going wrong.
> I'm using RTEMS 4.6.4.

Have you look over this page:

It has some reasons a BSP can fail.


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