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:
https://devel.rtems.org/wiki/Developer/Tracing/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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