I have a PPP over GPRS program in Ver 4.7 of keil and after i port it to Ver 5.1 with new libraries it will crash without any known pattern with IMPRECISERR bus fault.
Is there any known bug in this vertsion of RL-ARM ?
I Use CMSIS-OS with 2 threads.
almost same problem for me too did you try increase number of treads and heap size for treads it may helps