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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

  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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