Unable to load the new kernel using kexec command.

Issue

• While trying to load the new kernel using kexec command it hangs with message "Starting new kernel"
  Eg:

# kexec -l /boot/vmlinuz-2.6.32-504.el6.x86_64 --initrd=/boot/initramfs-2.6.32-504.el6.x86_64.img --append=ro root=/dev/mapper/VolGrp-Vol1 rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD KEYTABLE=us SYSFONT=latarcyrheb-sun16 crashkernel=auto console=ttyS0,115200n8 rd_LVM_LV=VolGrp/Vol1 rd_LVM_LV=VolGrp/Vol2 rd_NO_DM
UNABLE TO GATHER EFI DATA

# kexec -e
sd 0:0:6:0: [sda] Synchronizing SCSI cache
Starting new kernel