On Sat, Jun 08, 2019 at 11:54:51AM +0800, Baoquan He wrote: > Is it a UEFI box? Yes. > If it's uefi machine, it should relate to below issue. Because kexec > always fails to randomly choose a new position for kernel. The kernel succeeds in selecting a position for the kernel - the kexec kernel doesn't load when a panic happens. Rather, the box panics and nothing more. > The current kexec code fills boot_params->efi_info->efi_loader_signature, > but doesn't contruct efi_memmap table. The kexec/kdump kernel will always > fail to find available slot for KASLR in process_efi_entries. Kernel has # CONFIG_RANDOMIZE_BASE is not set so no KASLR. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec