Problems debugging simple program in NIOS II IDE

Check these:

- make sure you configured the fpga before starting Nios debugger

- if you don't have a permanent Mios licence you must keep the USB blaster connected (don't close the warning window when fpga configuration ends)

- check project and debugger properties: stdout must be set to redirect to jtag_uart module

- in debugger properties the download and reset mode must be set to "Download program in RAM" and not to "Attach to existing program on target", nor "Reset target and execute..."

- verify that when you start debug the code is actually downloaded: there should be a message in the console: download xxx kB... verify ...