Hi Pankaj, On Fri, 2014-07-11 at 13:10 +0530, Pankaj Pandey wrote: > get_memory_ranges_dt: node_1552 memory > get_memory_ranges_dt: RAM: 0000004000000000 - 0000004400000000 > get_memory_ranges_dt: RAM: 0000000000000000 - 0000000000000000 > get_memory_ranges_dt: RAM: 0000000000000000 - 0000000000000000 > get_memory_ranges_dt: RAM: 0000000000000000 - 0000000000000000 > get_memory_ranges_dt: Success > p_vaddr: ffffffc000080000 > kexec: kexec/arch/arm64/kexec-arm64.c:242: virt_to_phys: Assertion > `arm64_mem.memstart' failed. I pushed out a fix for this (zero length memory sections) to my master branch today. Please pull and try again. -Geoff