General informations

The Linux kernel configuration item CONFIG_KGDB has multiple definitions:

KGDB: kernel debugger found in lib/Kconfig.kgdb

The configuration item CONFIG_KGDB:

• prompt: KGDB: kernel debugger
• type: bool
• depends on: ( CONFIG_HAVE_ARCH_KGDB ) && ( CONFIG_DEBUG_KERNEL )
• defined in lib/Kconfig.kgdb
• found in Linux kernels: 2.6.35–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.19, 7.0–7.2

Help text

If you say Y here, it will be possible to remotely debug the kernel using gdb. It is recommended but not required, that you also turn on the kernel config option FRAME_POINTER to aid in producing more reliable stack backtraces in the external debugger. Documentation of kernel debugger is available at http://kgdb.sourceforge.net as well as in Documentation/process/debugging/kgdb.rst. If unsure, say N.

KGDB: kernel debugging with remote gdb found in lib/Kconfig.kgdb

The configuration item CONFIG_KGDB:

• prompt: KGDB: kernel debugging with remote gdb
• type: bool
• depends on: ( CONFIG_HAVE_ARCH_KGDB ) && ( CONFIG_DEBUG_KERNEL && CONFIG_EXPERIMENTAL )
• defined in lib/Kconfig.kgdb
• found in Linux kernels: 2.6.26–2.6.34

Help text

If you say Y here, it will be possible to remotely debug the kernel using gdb. It is recommended but not required, that you also turn on the kernel config option FRAME_POINTER to aid in producing more reliable stack backtraces in the external debugger. Documentation of kernel debugger is available at http://kgdb.sourceforge.net as well as in DocBook form in Documentation/DocBook/. If unsure, say N.

Include kgdb kernel debugger found in arch/ppc/Kconfig.debug

The configuration item CONFIG_KGDB:

• prompt: Include kgdb kernel debugger
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && ( CONFIG_BROKEN || CONFIG_PPC_GEN550 || CONFIG_4xx )
• defined in arch/ppc/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.26

Help text

Include in-kernel hooks for kgdb, the Linux kernel source level debugger. See http://kgdb.sourceforge.net/ for more information. Unless you are intending to debug the kernel, say N here.

Include kgdb kernel debugger found in arch/powerpc/Kconfig.debug

The configuration item CONFIG_KGDB:

• prompt: Include kgdb kernel debugger
• type: bool
• depends on: CONFIG_DEBUGGER && ( CONFIG_BROKEN || CONFIG_PPC_GEN550 || CONFIG_4xx )
• defined in arch/powerpc/Kconfig.debug
• found in Linux kernels: 2.6.15–2.6.26

Help text

Include in-kernel hooks for kgdb, the Linux kernel source level debugger. See http://kgdb.sourceforge.net/ for more information. Unless you are intending to debug the kernel, say N here.

Remote GDB kernel debugging found in arch/mips/Kconfig.debug

The configuration item CONFIG_KGDB:

• prompt: Remote GDB kernel debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_SYS_SUPPORTS_KGDB
• defined in arch/mips/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.26

Help text

If you say Y here, it will be possible to remotely debug the MIPS kernel using gdb. This enlarges your kernel image disk size by several megabytes and requires a machine with more than 16 MB, better 32 MB RAM to avoid excessive linking time. This is only useful for kernel hackers. If unsure, say N.

Include KGDB kernel debugger found in arch/sh/Kconfig.debug

The configuration item CONFIG_KGDB:

• prompt: Include KGDB kernel debugger
• type: bool
• depends on: (none)
• defined in arch/sh/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.21

Help text

Include in-kernel hooks for kgdb, the Linux kernel source level debugger. See http://kgdb.sourceforge.net/ for more information. Unless you are intending to debug the kernel, say N here.

Include KGDB kernel debugger found in arch/sh/Kconfig

The configuration item CONFIG_KGDB:

• prompt: Include KGDB kernel debugger
• type: bool
• depends on: (none)
• defined in arch/sh/Kconfig
• found in Linux kernels: 2.6.2–2.6.8

Help text

Include in-kernel hooks for kgdb, the Linux kernel source level debugger. See http://kgdb.sourceforge.net/ for more information. Unless you are intending to debug the kernel, say N here.

Include kgdb kernel debugger found in arch/ppc/Kconfig

The configuration item CONFIG_KGDB:

• prompt: Include kgdb kernel debugger
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && ( CONFIG_BROKEN || CONFIG_PPC_GEN550 || CONFIG_4xx )
• defined in arch/ppc/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Include in-kernel hooks for kgdb, the Linux kernel source level debugger. See http://kgdb.sourceforge.net/ for more information. Unless you are intending to debug the kernel, say N here.

Remote GDB kernel debugging found in arch/mips/Kconfig

The configuration item CONFIG_KGDB:

• prompt: Remote GDB kernel debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.0–2.6.8

Help text

If you say Y here, it will be possible to remotely debug the MIPS kernel using gdb. This enlarges your kernel image disk size by several megabytes and requires a machine with more than 16 MB, better 32 MB RAM to avoid excessive linking time. This is only useful for kernel hackers. If unsure, say N.

Remote GDB kernel debugging found in arch/mips/Kconfig-shared

The configuration item CONFIG_KGDB:

• prompt: Remote GDB kernel debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/mips/Kconfig-shared
• found in Linux kernels: 2.5.74–2.5.75

Help text

If you say Y here, it will be possible to remotely debug the MIPS kernel using gdb. This enlarges your kernel image disk size by several megabytes and requires a machine with more than 16 MB, better 32 MB RAM to avoid excessive linking time. This is only useful for kernel hackers. If unsure, say N.

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