On Fri, Feb 19, 2010 at 4:00 PM, Andy Chen <andychen_ca at hotmail.com> wrote: > Should I also do any code change like invoking gdbstub_test function call > somewhere in execution path in order to see the results? No that is not necessary. If you look at the gdbtest_test.gdb script, it uses the GDB "jump" command to run the test inside gPXE. Stefan