robbo1975 wrote on Monday, September 05, 2016:
Mea culpa… I had incorrectly defined parameters configKERNEL_INTERRUPT_PRIORITY and configMAX_SYSCALL_INTERRUPT_PRIORITY in FreeRTOSConfig.h. 
Thank you very much for help! I’m tired of this and I read without understanding the content…
Finally everything work ok.
Regards
Krzysztof Sroka