CONFIG_COMPAT_32BIT_TIME is a new symbol and has to be set to avoid: Provide system calls for 32-bit time_t (COMPAT_32BIT_TIME) [N/y/?] (NEW) CONFIG_RELOCATABLE needs to be enabled to make kernel start booting. That raises a question: do we really need CONFIG_EXPERT=y ? Signed-off-by: Rafał Miłecki <rafal@milecki.pl>