# kdump-config show
DUMP_MODE:        kdump
USE_KDUMP:        1
KDUMP_SYSCTL:     kernel.panic_on_oops=1
KDUMP_COREDIR:    /var/crash
crashkernel addr: 0x2f000000
   /var/lib/kdump/vmlinuz: symbolic link to /boot/vmlinuz-5.0.1gcc-5+
kdump initrd:
   /var/lib/kdump/initrd.img: symbolic link to /var/lib/kdump/initrd.img-5.0.1gcc-5+
current state:    ready to kdump

kexec command:
  /sbin/kexec -p --command-line="BOOT_IMAGE=/boot/vmlinuz-5.0.1gcc-5+ root=UUID=f65454ae-3f1d-4b9e-b4be-74a29becbe1e ro debug ignore_loglevel earlycon earlyprintk console=tty1 nmi_watchdog=1 nr_cpus=1 systemd.unit=kdump-tools.service irqpoll nousb ata_piix.prefer_ms_hyperv=0" --initrd=/var/lib/kdump/initrd.img /var/lib/kdump/vmlinuz