why the system workbench use stklink?

[SChen.11]

Hi, I use system workbench to debug example project. The serial port and ethernet over usb are recognized by system workbench. Now, the debuger step is using openocd to connect target board. I follow the below link to setting the debug configuration options.

https://wiki.st.com/stm32mpu/wiki/Getting_started/STM32MP1_boards/STM32MP157C-DK2/Develop_on_Arm%C2%AE_Cortex%C2%AE-M4/Modify,_rebuild_and_reload_a_firmware

[Bumsik Kim]

It uses OpenOCD (STLink) by default. Did you correctly set "thru Linux Core" in Startup tab, shown in the picture?

[SChen.11]

I had select the production mode on startup tab window.Below is the screenshot.

[SChen.11]

I use reinstall ubuntu 14.04 64bit to test it. It's also failed and got another error.

[SChen.11]

The system workbench debug cm4 need use serial port, stlink and ethernet.