Fail to drop to a shell session inside the initramfs if the kdump fails to dump the kernel crash dump.

Issue

• Fail to drop into a shell session inside the initramfs if the kdump fails to dump the kernel crash dump.

Serial Console Log:

[   26.183118] systemd[1]: Starting Kdump Vmcore Save Service...
[   26.195355] systemd[1]: Started Cleanup squashfs mounts when switch root.
[   26.514822] systemd[1]: kdump-capture.service: Main process exited, code=exited, status=1/FAILURE
[   26.517466] systemd[1]: kdump-capture.service: Failed with result 'exit-code'.
[   26.521167] systemd[1]: Failed to start Kdump Vmcore Save Service.
[   26.528655] systemd[1]: kdump-capture.service: Triggering OnFailure= dependencies.
[   26.532690] systemd[1]: Stopped target Timers.
[   26.538711] systemd[1]: Stopping Cleanup squashfs mounts when switch root...
[   26.554889] systemd[1]: Stopped Cleanup squashfs mounts when switch root.
[   26.559956] systemd[1]: Stopped dracut pre-pivot and cleanup hook.
[   26.564929] systemd[1]: Stopped target Initrd Default Target.
[   26.568096] systemd[1]: Stopped target Basic System.
[   26.570582] systemd[1]: Stopped target System Initialization.
[   26.574404] systemd[1]: Stopped target Swap.
[   26.577089] systemd[1]: Stopped Apply Kernel Variables.
[   26.579777] systemd[1]: Stopped Create Volatile Files and Directories.
[   26.584667] systemd[1]: Stopped target Local File Systems.
[   26.587916] systemd[1]: Unmounting /sysroot...
[   26.590856] systemd-journald[196]: Received SIGTERM from PID 1 (systemd).
[   26.595650] systemd[1]: Stopping Journal Service...
[   26.600282] systemd[520]: sysroot.mount: Failed to execute command: No such file or directory
[   26.606900] systemd[1]: Starting Kdump Emergency...
[   26.608750] systemd[520]: sysroot.mount: Failed at step EXEC spawning /usr/bin/umount: No such file or directory
...
[   26.675435] systemd[1]: sysroot.mount: Mount process exited, code=exited status=203
[   26.677981] systemd[1]: Failed unmounting /sysroot.
[   26.688474] systemd[1]: emergency.service: Main process exited, code=exited, status=4/NOPERMISSION
[   26.692279] systemd[1]: emergency.service: Failed with result 'exit-code'.
[   26.695980] systemd[1]: Failed to start Kdump Emergency.
[   26.701514] systemd[1]: Dependency failed for Emergency Mode.
[   26.705696] systemd[1]: emergency.target: Job emergency.target/start failed with result 'dependency'.
[   26.709428] systemd[1]: Starting Journal Service...
[   26.712216] systemd[1]: Stopped File System Check on /dev/mapper/rhel-root.
[   26.720298] systemd[1]: Stopped target Initrd Root Device.
[   26.729217] systemd[1]: Stopped dracut pre-udev hook.
[   26.735664] systemd[1]: Stopped dracut cmdline hook.
[   26.738217] systemd[527]: systemd-journald.service: Failed to execute command: No such file or directory

OR

[   45.475740] systemd-journald[193]: Received SIGTERM from PID 1 (systemd).
[   45.481683] systemd[1]: Stopping Journal Service...
[   45.488551] systemd[1]: Starting Kdump Emergency...
[   45.490898] systemd[1]: Stopped Create Volatile Files and Directories.
[   45.498386] systemd[1]: Stopped Apply Kernel Variables.
[   45.503724] systemd[1]: Stopped target Local File Systems.
[   45.506685] systemd[1]: Stopped target Sockets.
[   45.508913] systemd[1]: Stopped target Slices.
[   45.511152] systemd[1]: Stopped target Initrd Root File System.
[   45.513707] systemd[1]: Stopped target Remote File Systems.
[   45.516262] systemd[1]: Stopped target Remote File Systems (Pre).
[   45.525844] systemd[526]: sysroot.mount: Failed to execute command: No such file or directory
[   45.552629] systemd[529]: systemd-journald.service: Failed to execute command: No such file or directory
[   45.556641] systemd[530]: systemd-vconsole-setup.service: Failed to execute command: No such file or directory
[   45.599840] systemd[533]: systemd-journald.service: Failed to execute command: No such file or directory
[   45.614772] systemd[534]: systemd-journald.service: Failed to execute command: No such file or directory
[   45.629000] systemd[536]: systemd-journald.service: Failed to execute command: No such file or directory
[   45.644289] systemd[538]: systemd-journald.service: Failed to execute command: No such file or directory