Hi, Daniel, On Fri, 3 Sept 2021 at 10:18, Daniel Danzberger <daniel at dd-wrt.com> wrote: > [snipped for context] > +CONFIG_RCU_NEED_SEGCBLIST=y > +CONFIG_RCU_STALL_COMMON=y Please refresh your kernel configuration. At least these two symbols are part of the generic kconfigs. Thanks, Rui