Re: "rcu: React to callback overload by aggressively seeking quiescent states" hangs on boot

From: Paul E. McKenney
Date: Sun Dec 15 2019 - 15:18:26 EST


On Sun, Dec 15, 2019 at 02:53:37PM -0500, Qian Cai wrote:
> > On Dec 15, 2019, at 2:18 PM, Dexuan-Linux Cui <dexuan.linux@xxxxxxxxx> wrote:
> > We're seeing the same hang issue with a recent Linux next-20191213
> > kernel. If we revert the same commit 82150cb53dcb ("rcu: React to
> > callback overload by aggressively seeking quiescent statesâ), the
> > issue will go away.
>
> Does this patch work for you?
>
> https://lore.kernel.org/rcu/20191215065242.7155-1-cai@xxxxxx

Same question for this one:

20191215201646.GK2889@paulmck-ThinkPad-P72/">https://lore.kernel.org/lkml/20191215201646.GK2889@paulmck-ThinkPad-P72/

Thanx, Paul