From: "Paul E. McKenney" <paulmck@kernel.org>
To: Qian Cai <cai@lca.pw>
Cc: "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>
Subject: Re: "rcu: React to callback overload by aggressively seeking quiescent states" hangs on boot
Date: Fri, 13 Dec 2019 22:40:48 -0800 [thread overview]
Message-ID: <20191214064048.GI2889@paulmck-ThinkPad-P72> (raw)
In-Reply-To: <CAA6354A-C747-4BE0-8EDC-C06E3C1D7D08@lca.pw>
On Fri, Dec 13, 2019 at 06:11:16PM -0500, Qian Cai wrote:
>
>
> > On Dec 13, 2019, at 5:46 PM, Paul E. McKenney <paulmck@kernel.org> wrote:
> >
> > I am running this on a number of x86 systems, but will try it on a
>
> The config to reproduce includes several debugging options that might
> required to recreate.
If you run without those debugging options, do you still see the hangs?
If not, please let me know which debugging are involved.
> > wider variety. If I cannot reproduce it, would you be willing to
> > run diagnostics?
>
> Yes.
Very good! Let me see what I can put together. (No luck reproducing
at my end thus far.)
> > Just to double-check... Are you running rcutorture built into the kernel?
> > (My guess is "no", but figured that I should ask.)
>
> No as you can see from the config I linked in the original email.
Fair point, and please accept my apologies for the pointless question.
Thanx, Paul
next prev parent reply other threads:[~2019-12-14 6:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-13 6:13 "rcu: React to callback overload by aggressively seeking quiescent states" hangs on boot 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 [this message]
[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
[not found] <BCD69C9E-4E61-405F-A514-36096E0F34F4@lca.pw>
2019-12-15 20:18 ` Paul E. McKenney
2019-12-15 20:19 ` Dexuan Cui
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