Failed to start kdump on Hyper-V due to "No memory reserved for crash kernel"

Issue

• The VM on Hyper-V failed to start kdump due to "No memory reserved for crash kernel".
• The kernel failed to reserve 192MB memory for crash kernel due to crashkernel: invalid size in the early stage of the boot sequence.
• kdump service enabled but fails on proxmox vms running rhel10 with hotplug enabled