Set KDUMP_BOOTDIR

image/mkosi.skeleton/etc/sysconfig/kdump

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+# Kernel Version string for the -kdump kernel, such as 2.6.13-1544.FC5kdump
+# If no version is specified, then the init script will try to find a
+# kdump kernel with the same version number as the running kernel.
+KDUMP_KERNELVER=""
+
+# The kdump commandline is the command line that needs to be passed off to
+# the kdump kernel.  This will likely match the contents of the grub kernel
+# line.  For example:
+#   KDUMP_COMMANDLINE="ro root=LABEL=/"
+# Dracut depends on proper root= options, so please make sure that appropriate
+# root= options are copied from /proc/cmdline. In general it is best to append
+# command line options using "KDUMP_COMMANDLINE_APPEND=".
+# If a command line is not specified, the default will be taken from
+# /proc/cmdline
+KDUMP_COMMANDLINE=""
+
+# This variable lets us remove arguments from the current kdump commandline
+# as taken from either KDUMP_COMMANDLINE above, or from /proc/cmdline
+# NOTE: some arguments such as crashkernel will always be removed
+KDUMP_COMMANDLINE_REMOVE="hugepages hugepagesz slub_debug quiet log_buf_len swiotlb cma hugetlb_cma ignition.firstboot"
+
+# This variable lets us append arguments to the current kdump commandline
+# after processed by KDUMP_COMMANDLINE_REMOVE
+KDUMP_COMMANDLINE_APPEND="irqpoll nr_cpus=1 reset_devices cgroup_disable=memory mce=off numa=off udev.children-max=2 panic=10 acpi_no_memhotplug transparent_hugepage=never nokaslr hest_disable novmcoredd cma=0 hugetlb_cma=0"
+
+# Any additional kexec arguments required.  In most situations, this should
+# be left empty
+#
+# Example:
+#   KEXEC_ARGS="--elf32-core-headers"
+KEXEC_ARGS="-s"
+
+#Where to find the boot image
+KDUMP_BOOTDIR="/usr/lib/modules"
+
+#What is the image type used for kdump
+KDUMP_IMG="vmlinuz"
+
+#What is the images extension.  Relocatable kernels don't have one
+KDUMP_IMG_EXT=""
+
+# Logging is controlled by following variables in the first kernel:
+#   - @var KDUMP_STDLOGLVL - logging level to standard error (console output)
+#   - @var KDUMP_SYSLOGLVL - logging level to syslog (by logger command)
+#   - @var KDUMP_KMSGLOGLVL - logging level to /dev/kmsg (only for boot-time)
+#
+# In the second kernel, kdump will use the rd.kdumploglvl option to set the
+# log level in the above KDUMP_COMMANDLINE_APPEND.
+#   - @var rd.kdumploglvl - logging level to syslog (by logger command)
+#   - for example: add the rd.kdumploglvl=3 option to KDUMP_COMMANDLINE_APPEND
+#
+# Logging levels: no logging(0), error(1),warn(2),info(3),debug(4)
+#
+# KDUMP_STDLOGLVL=3
+# KDUMP_SYSLOGLVL=0
+# KDUMP_KMSGLOGLVL=0