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. config KGDB_TESTS bool "KGDB: internal test suite" depends on KGDB default n help This is a kgdb I/O module specifically designed to test kgdb's internal functions. This kgdb I/O module is intended to for the development of new kgdb stubs as well as regression testing the kgdb internals. See the drivers/misc/kgdbts.c for the details about the tests. The most basic of this I/O module is to boot a kernel boot arguments "kgdbwait kgdbts=V1F100"