Starting with the latest Tumbleweed snapshot 20200110 kdump fails to load.
Not sure, what "Permission denied" means in this context.

load.sh[1509]: kexec_load failed: Permission denied
load.sh[1509]: entry       = 0x4ace9c740 flags = 0x3e0001
load.sh[1509]: nr_segments = 8
load.sh[1509]: segment[0].buf   = 0x1912d20
load.sh[1509]: segment[0].bufsz = 0x70
load.sh[1509]: segment[0].mem   = 0x4a1000000
load.sh[1509]: segment[0].memsz = 0x1000
load.sh[1509]: segment[1].buf   = 0x191ad60
load.sh[1509]: segment[1].bufsz = 0x168
load.sh[1509]: segment[1].mem   = 0x4a1001000
load.sh[1509]: segment[1].memsz = 0x1000
load.sh[1509]: segment[2].buf   = 0x7f151aeca010
load.sh[1509]: segment[2].bufsz = 0x140e00c
load.sh[1509]: segment[2].mem   = 0x4a85f1000
load.sh[1509]: segment[2].memsz = 0x140f000
load.sh[1509]: segment[3].buf   = 0x7f151c2dd610
load.sh[1509]: segment[3].bufsz = 0x89aaf0
load.sh[1509]: segment[3].mem   = 0x4a9a00000
load.sh[1509]: segment[3].memsz = 0x3350000
load.sh[1509]: segment[4].buf   = 0x190c6c0
load.sh[1509]: segment[4].bufsz = 0x4826
load.sh[1509]: segment[4].mem   = 0x4ace97000
load.sh[1509]: segment[4].memsz = 0x5000
load.sh[1509]: segment[5].buf   = 0x1905310
load.sh[1509]: segment[5].bufsz = 0x70e0
load.sh[1509]: segment[5].mem   = 0x4ace9c000
load.sh[1509]: segment[5].memsz = 0x9000
load.sh[1509]: segment[6].buf   = 0x1903ff0
load.sh[1509]: segment[6].bufsz = 0xc00
load.sh[1509]: segment[6].mem   = 0x4acea5000
load.sh[1509]: segment[6].memsz = 0x4000
load.sh[1509]: segment[7].buf   = 0x7f151ae72010
load.sh[1509]: segment[7].bufsz = 0x57000
load.sh[1509]: segment[7].mem   = 0x4acea9000
load.sh[1509]: segment[7].memsz = 0x57000
kernel: ima: impossible to appraise a kernel image without a file descriptor;
try using kexec_fi
le_load syscall.
kdump[1879]: FAILED to load kdump kernel: /sbin/kexec -p
/boot/vmlinuz-5.4.7-1-default --append=
" quiet no_console_suspend consoleblank=0 systemd.log_target=kmsg
log_buf_len=10M printk.devkmsg=on modprobe.blacklist=n
vidia modprobe.blacklist=nvidia_uvm modprobe.blacklist=nvidia_drm
modprobe.blacklist=nvidia_modeset modprobe.blacklist=n
ouveau modprobe.blacklist=nv elevator=deadline sysrq=yes reset_devices
acpi_no_memhotplug cgroup_disable=memory nokaslr 
numa=off irqpoll nr_cpus=1 root=kdump rootflags=bind rd.udev.children-max=8
disable_cpu_apicid=0  panic=1" --initrd=/boo
t/initrd-5.4.7-1-default-kdump , Result: kexec_load failed: Permission denied
                                     entry       = 0x4ace9c740 flags = 0x3e0001
                                     nr_segments = 8
                                     segment[0].buf   = 0x1912d20
                                     segment[0].bufsz = 0x70
                                     segment[0].mem   = 0x4a1000000
                                     segment[0].memsz = 0x1000
                                     segment[1].buf   = 0x191ad60
                                     segment[1].bufsz = 0x168
                                     segment[1].mem   = 0x4a1001000
                                     segment[1].memsz = 0x1000
                                     segment[2].buf   = 0x7f151aeca010
                                     segment[2].bufsz = 0x140e00c
                                     segment[2].mem   = 0x4a85f1000
                                     segment[2
systemd[1]: kdump.service: Main process exited, code=exited,
status=255/EXCEPTION
systemd[1]: kdump.service: Failed with result 'exit-code'.


It succeeds at early startup, though:

kdump[1578]: Loaded kdump kernel: /sbin/kexec -p /boot/vmlinuz-5.4.7-1-default
--append=" quiet no_console_suspend consoleblank=0 systemd.log_target=kmsg
log_buf_len=10M printk.devkmsg=on modprobe.blacklist=nvidia
modprobe.blacklist=nvidia_uvm modprobe.blacklist=nvidia_drm
modprobe.blacklist=nvidia_modeset modprobe.blacklist=nouveau
modprobe.blacklist=nv elevator=deadline sysrq=yes reset_devices
acpi_no_memhotplug cgroup_disable=memory nokaslr numa=off irqpoll nr_cpus=1
root=kdump rootflags=bind rd.udev.children-max=8 disable_cpu_apicid=0  panic=1"
--initrd=/boot/initrd-5.4.7-1-default-kdump  -s, Result:
systemd[1]: Started Load kdump kernel early on startup.