Hi Arun, On Thu, 2014-11-06 at 21:43 +0530, Arun Chandran wrote: > Initializing cgroup subsys cpu > Linux version 3.17.0-rc4+ (arun at arun-OptiPlex-9010) (gcc version 4.9.1 > 20140505 (prerelease) (crosstool-NG linaro-1.13.1-4.9-2014.05 - Linaro > GCC 4.9-2014.05) ) #12 PREEMPT Thu Nov 6 21:38:03 IST 2014 > CPU: AArch64 Processor [500f0000] revision 0 > Detected PIPT I-cache on CPU0 > Ignoring memory block 0x100000000 - 0x180000000 > Early serial console at MMIO32 0x1c020000 (options '') > bootconsole [uart0] enabled > efi: Getting EFI parameters from FDT: > efi: UEFI not found. > cma: Failed to reserve 16 MiB This error comes from cma_declare_contiguous(). > Kernel panic - not syncing: ERROR: Failed to allocate 0x1000 bytes below 0x0. This panic comes from memblock_alloc_base(). I guess something has passed in bad values. I wonder if your dtb is compatible with this platform. What if you don't pass a dtb to kexec? It could be caused by memory corruption. -Geoff
