menuconfig KGDB bool "KGDB: kernel debugging with remote gdb" select FRAME_POINTER depends on HAVE_ARCH_KGDB depends on DEBUG_KERNEL && EXPERIMENTAL help If you say Y here, it will be possible to remotely debug the kernel using gdb. Documentation of kernel debugger is available at http://kgdb.sourceforge.net as well as in DocBook form in Documentation/DocBook/. If unsure, say N. config HAVE_ARCH_KGDB_SHADOW_INFO bool config HAVE_ARCH_KGDB bool config KGDB_SERIAL_CONSOLE tristate "KGDB: use kgdb over the serial console" depends on KGDB select CONSOLE_POLL select MAGIC_SYSRQ default y help Share a serial console with kgdb. Sysrq-g must be used to break in initially.