docs: admin-guide: add kdump documentation into it

The Kdump documentation describes procedures with admins use
in order to solve issues on their systems.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2019-06-13 15:21:39 -03:00
parent 9e1cbede26
commit 330d481052
14 changed files with 15 additions and 15 deletions

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@ -90,9 +90,9 @@ the disk is not available then you have three options:
run a null modem to a second machine and capture the output there
using your favourite communication program. Minicom works well.
(3) Use Kdump (see Documentation/kdump/kdump.rst),
(3) Use Kdump (see Documentation/admin-guide/kdump/kdump.rst),
extract the kernel ring buffer from old memory with using dmesg
gdbmacro in Documentation/kdump/gdbmacros.txt.
gdbmacro in Documentation/admin-guide/kdump/gdbmacros.txt.
Finding the bug's location
--------------------------

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@ -39,6 +39,7 @@ problems and bugs in particular.
ramoops
dynamic-debug-howto
init
kdump/index
perf/index
This is the beginning of a section with information of interest to

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@ -1,4 +1,3 @@
:orphan:
================================================================
Documentation for Kdump - The kexec-based Crash Dumping Solution

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@ -708,14 +708,14 @@
[KNL, x86_64] select a region under 4G first, and
fall back to reserve region above 4G when '@offset'
hasn't been specified.
See Documentation/kdump/kdump.rst for further details.
See Documentation/admin-guide/kdump/kdump.rst for further details.
crashkernel=range1:size1[,range2:size2,...][@offset]
[KNL] Same as above, but depends on the memory
in the running system. The syntax of range is
start-[end] where start and end are both
a memory unit (amount[KMG]). See also
Documentation/kdump/kdump.rst for an example.
Documentation/admin-guide/kdump/kdump.rst for an example.
crashkernel=size[KMG],high
[KNL, x86_64] range could be above 4G. Allow kernel
@ -1207,7 +1207,7 @@
Specifies physical address of start of kernel core
image elf header and optionally the size. Generally
kexec loader will pass this option to capture kernel.
See Documentation/kdump/kdump.rst for details.
See Documentation/admin-guide/kdump/kdump.rst for details.
enable_mtrr_cleanup [X86]
The kernel tries to adjust MTRR layout from continuous

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@ -59,7 +59,7 @@ as follows:
the default calculated size. Use this option if default
boot memory size is not sufficient for second kernel to
boot successfully. For syntax of crashkernel= parameter,
refer to Documentation/kdump/kdump.rst. If any offset is
refer to Documentation/admin-guide/kdump/kdump.rst. If any offset is
provided in crashkernel= parameter, it will be ignored
as fadump uses a predefined offset to reserve memory
for boot memory dump preservation in case of a crash.

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@ -53,8 +53,8 @@ cat /proc/kmsg > file 然而你必须介入中止传输, kmsg是一个“
2用串口终端启动请参看Documentation/admin-guide/serial-console.rst运行一个null
modem到另一台机器并用你喜欢的通讯工具获取输出。Minicom工作地很好。
3使用Kdump请参看Documentation/kdump/kdump.rst
使用在Documentation/kdump/gdbmacros.txt中定义的dmesg gdb宏从旧的内存中提取内核
3使用Kdump请参看Documentation/admin-guide/kdump/kdump.rst
使用在Documentation/admin-guide/kdump/gdbmacros.txt中定义的dmesg gdb宏从旧的内存中提取内核
环形缓冲区。
完整信息

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@ -8675,7 +8675,7 @@ R: Vivek Goyal <vgoyal@redhat.com>
L: kexec@lists.infradead.org
W: http://lse.sourceforge.net/kdump/
S: Maintained
F: Documentation/kdump/
F: Documentation/admin-guide/kdump/
KEENE FM RADIO TRANSMITTER DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>

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@ -2036,7 +2036,7 @@ config CRASH_DUMP
kdump/kexec. The crash dump kernel must be compiled to a
memory address not used by the main kernel
For more details see Documentation/kdump/kdump.rst
For more details see Documentation/admin-guide/kdump/kdump.rst
config AUTO_ZRELADDR
bool "Auto calculation of the decompressed kernel image address"

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@ -996,7 +996,7 @@ config CRASH_DUMP
reserved region and then later executed after a crash by
kdump/kexec.
For more details see Documentation/kdump/kdump.rst
For more details see Documentation/admin-guide/kdump/kdump.rst
config XEN_DOM0
def_bool y

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@ -626,7 +626,7 @@ config CRASH_DUMP
to a memory address not used by the main kernel using
PHYSICAL_START.
For more details see Documentation/kdump/kdump.rst
For more details see Documentation/admin-guide/kdump/kdump.rst
config KEXEC_JUMP
bool "kexec jump (EXPERIMENTAL)"

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@ -2057,7 +2057,7 @@ config CRASH_DUMP
to a memory address not used by the main kernel or BIOS using
PHYSICAL_START, or it must be built as a relocatable image
(CONFIG_RELOCATABLE=y).
For more details see Documentation/kdump/kdump.rst
For more details see Documentation/admin-guide/kdump/kdump.rst
config KEXEC_JUMP
bool "kexec jump"
@ -2094,7 +2094,7 @@ config PHYSICAL_START
the reserved region. In other words, it can be set based on
the "X" value as specified in the "crashkernel=YM@XM"
command line boot parameter passed to the panic-ed
kernel. Please take a look at Documentation/kdump/kdump.rst
kernel. Please take a look at Documentation/admin-guide/kdump/kdump.rst
for more details about crash dumps.
Usage of bzImage for capturing the crash dump is recommended as