Hi, Paul, On Thu, 13 Apr 2023 at 15:43, Paul E. McKenney <paul...@kernel.org> wrote: > > My guess would be that you have CONFIG_RCU_EXP_CPU_STALL_TIMEOUT set to > some small non-zero number, for example, you might have set up a recent > Android .config or some such. The default of zero would give you about > 21 seconds rather than the three jiffies that you are seeing. > > Could you please check your .config?
Well, this is embarrassing. I can't fathom why/how, but I had it set to 20, on this machine. That is, 20 millisseconds. I guess its a miracle I haven't seen *more* expedited RCU traces. Sorry for the noise, everyone. Kind regards, Rui