CONFIG_ETRAX_KGDB_PORT0 is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
default or selected kernelversion does not have config value CONFIG_ETRAX_KGDB_PORT0.
Result is shown for kernelversion 6.7-rc3
Serial-0
configname: CONFIG_ETRAX_KGDB_PORT0
Kernel GDB port
└─>Serial-0
In linux kernel since version 2.6.13 (release Date: 2005-08-28)
Use serial port 0 for kernel debugging.