linux-kernel - Re: Fix 80d20d35af1e ("nohz: Fix local_timer_softirq_pending()") may have revealed another problem

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Message-ID: <20180928131855.GB8795@lerouge>
Date:   Fri, 28 Sep 2018 15:18:56 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     Anna-Maria Gleixner <anna-maria@...utronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: Re: Fix 80d20d35af1e ("nohz: Fix local_timer_softirq_pending()") may
 have revealed another problem

On Thu, Sep 27, 2018 at 06:05:46PM +0200, Thomas Gleixner wrote:
> On Tue, 28 Aug 2018, Frederic Weisbecker wrote:
> > On Fri, Aug 24, 2018 at 07:06:32PM +0200, Heiner Kallweit wrote:
> > > I tested it and Frederic is right, it doesn't help. Can it be somehow related to
> > > the cpu being brought down during suspend? Because I get the warning only during
> > > suspend when the cpu is inactive already (but still online).
> > 
> > It's hard to tell, I haven't been able to reproduce on suspend to disk/mem.
> > 
> > Does this script eventually trigger it after some time?
> 
> Any update to this?

Heiner? Can you please test the script I sent to you?

Thanks.