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From: "Paul E. McKenney" <paulmck@kernel.org>
To: Qian Cai <cai@lca.pw>
Cc: Dexuan-Linux Cui <dexuan.linux@gmail.com>,
	"Joel Fernandes (Google)" <joel@joelfernandes.org>,
	Tejun Heo <tj@kernel.org>, Josh Triplett <josh@joshtriplett.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	rcu@vger.kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Lili Deng <Lili.Deng@microsoft.com>,
	Dexuan Cui <decui@microsoft.com>,
	Baihua Lu <Baihua.Lu@microsoft.com>
Subject: Re: "rcu: React to callback overload by aggressively seeking quiescent states" hangs on boot
Date: Sun, 15 Dec 2019 12:18:23 -0800	[thread overview]
Message-ID: <20191215201823.GL2889@paulmck-ThinkPad-P72> (raw)
In-Reply-To: <BCD69C9E-4E61-405F-A514-36096E0F34F4@lca.pw>

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@gmail.com> 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@lca.pw

Same question for this one:

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

							Thanx, Paul

       reply	other threads:[~2019-12-15 20:18 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <BCD69C9E-4E61-405F-A514-36096E0F34F4@lca.pw>
2019-12-15 20:18 ` Paul E. McKenney [this message]
2019-12-15 20:19 ` "rcu: React to callback overload by aggressively seeking quiescent states" hangs on boot Dexuan Cui
2019-12-13  6:13 Qian Cai
2019-12-13 22:46 ` Paul E. McKenney
2019-12-13 23:11   ` Qian Cai
2019-12-14  6:40     ` Paul E. McKenney
     [not found]       ` <CAA42JLbBFkpYHXRVvyveYO76DnbkE3gyRW-=qmBGZcJTAiB6Uw@mail.gmail.com>
2019-12-15 19:29         ` Dexuan-Linux Cui
2019-12-15 20:20         ` Paul E. McKenney
2019-12-15 20:40           ` Dexuan Cui
2019-12-15 20:56             ` Paul E. McKenney
2019-12-15 21:02               ` Dexuan Cui

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