Task context information available on crash

Sebastian Huber sebastian.huber at embedded-brains.de
Tue Mar 20 11:55:28 UTC 2018

On 20/03/18 11:49, Matthew J Fletcher wrote:
> Thank you for the advice.
> So i can see that the executing task was "TIME", which is the timer 
> server. So the problem is almost certainly a bad function pointer 
> passed as the routine to invoke.
> I can place a breakpoint in timerserver.c, but the crash is after 
> several minutes (and many tens of thousands of timer operations).
> I think i will have to modify _Timer_server_Body() to copy the timer 
> id to a global variable so i can inspect it after an exception.
> Unless there is a better way ?

A more complicated solution might be the RTEMS trace linker:


I am not sure if ARMv7-M is supported.

You can also use a hardware tracer if available.

Sebastian Huber, embedded brains GmbH

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