> From: Qian Cai <cai@xxxxxx> > Sent: Sunday, December 15, 2019 11:54 AM > Subject: Re: "rcu: React to callback overload by aggressively seeking > quiescent states" hangs on boot > > > On Dec 15, 2019, at 2:18 PM, Dexuan-Linux Cui <mailto: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 states”), the > issue will go away. > > Does this patch work for you? > https://lore.kernel.org/rcu/20191215065242.7155-1-cai@xxxxxx/#r Yes, this can work for me. Thanks!