From: Tejun Heo <tj@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
jiangshanlai@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: WARN_ON_ONCE() in process_one_work()?
Date: Mon, 1 May 2017 15:50:58 -0400 [thread overview]
Message-ID: <20170501195058.GH8921@htj.duckdns.org> (raw)
In-Reply-To: <20170501154237.71ba2d28@gandalf.local.home>
On Mon, May 01, 2017 at 03:42:37PM -0400, Steven Rostedt wrote:
> On Mon, 1 May 2017 14:42:50 -0400
> Tejun Heo <tj@kernel.org> wrote:
>
> > Steven's involved a rescuer too. One possibility was cpuset being
> > involved somehow and messing up the affinity of the rescuer kthread
> > unexpectedly. Is cpuset involved in any way?
>
> I didn't do anything with cpuset. I did take CPUs offline though.
>
> I'm currently testing changes, but when its done, I'll remove the
> "WARN_ON() comment out" and see if I can reproduce it again.
Were you also using nohz_full?
Thanks.
--
tejun
next prev parent reply other threads:[~2017-05-01 19:51 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-01 16:57 WARN_ON_ONCE() in process_one_work()? Paul E. McKenney
2017-05-01 18:38 ` Paul E. McKenney
2017-05-01 18:44 ` Tejun Heo
2017-05-01 18:58 ` Paul E. McKenney
2017-05-05 17:11 ` Paul E. McKenney
2017-06-13 20:58 ` Tejun Heo
2017-06-13 22:31 ` Paul E. McKenney
2017-06-14 15:15 ` Paul E. McKenney
2017-06-15 15:38 ` Paul E. McKenney
2017-06-16 17:36 ` Paul E. McKenney
2017-06-17 11:53 ` Tejun Heo
2017-06-17 17:31 ` Paul E. McKenney
2017-06-18 10:40 ` Tejun Heo
2017-06-20 16:45 ` Paul E. McKenney
2017-06-21 15:30 ` Paul E. McKenney
2017-06-23 16:41 ` Paul E. McKenney
2017-06-27 16:27 ` Paul E. McKenney
2017-05-01 18:42 ` Tejun Heo
2017-05-01 19:42 ` Steven Rostedt
2017-05-01 19:50 ` Tejun Heo [this message]
2017-05-01 20:02 ` Steven Rostedt
2018-06-20 19:29 Paul E. McKenney
2018-07-02 21:05 ` Tejun Heo
2018-07-03 4:05 ` Paul E. McKenney
2018-07-03 16:40 ` Paul E. McKenney
2018-07-03 20:12 ` Tejun Heo
2018-07-03 21:44 ` Paul E. McKenney
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