linux-kernel - Re: [BUG] Caused by: sched/deadline: Move CPU frequency selection triggering points

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Date:   Tue, 3 Jul 2018 11:31:20 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Juri Lelli <juri.lelli@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Claudio Scordino <claudio@...dence.eu.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Clark Williams <williams@...hat.com>
Subject: Re: [BUG] Caused by: sched/deadline: Move CPU frequency selection
 triggering points

On Tue, 3 Jul 2018 17:07:11 +0200
Juri Lelli <juri.lelli@...hat.com> wrote:

> This got into tip quite recently
> 
> ecda2b66e263 ("sched/deadline: Fix missing clock update")
> 
> could you please double check that you have that in your stack?
> 

Unfortunately, I just tested it out, and it still locks up with this
patch.

Here's more info: I run with my deadline_test with the following
options:

  ./deadline_test  -c 1,2-3 -p 40 -t 9

from https://github.com/rostedt/sched_deadline.git

My box is 1 socket 4 cores and 2 threads each (8 logical CPUS)

Attached is my config.

-- Steve

Download attachment "config" of type "application/octet-stream" (126250 bytes)