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Date:   Mon, 8 Jul 2019 08:35:05 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Pavel Machek <pavel@....cz>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>, mka@...omium.org,
        ulf.hansson@...aro.org, "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux-pm mailing list <linux-pm@...r.kernel.org>,
        kernel list <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: cpufreq notifiers break suspend -- Re: suspend broken in
 next-20190704 on Thinkpad X60

On 06-07-19, 22:30, Pavel Machek wrote:
> Hi!
> 
> > Anyway, if 5.2-rc7 is OK, something in this branch causes the problem
> > to happen for you.
> > 
> > I would try
> > 
> > https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=linux-next&id=f012a132824fc870b90980540f727c76fc72e244
> > 
> > to narrow down the scope somewhat.

I couldn't find the original mail, what exactly is the problem with
suspend in your case ?

> Bisect says:
> 
> 572542c81dec533b7dd3778ea9f5949a00595f68 is the first bad commit
> Author: Viresh Kumar <viresh.kumar@...aro.org>
> 
>     cpufreq: Register notifiers with the PM QoS framework
> 
>     This registers the notifiers for min/max frequency constraints
>     with the
> 
>  Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
>  Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>
>  Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> 
> Unfortunately, it does not revert cleanly:

I tried following on my ARM board (both single policy and multiple
policy configurations):

rtcwake --seconds 5 -v -m mem

And everything worked as expected. Please make sure the top commit of
my series in pm/linux-next is, some issues were fixed on Friday:

0a811974f3f7 cpufreq: Add QoS requests for userspace constraints

-- 
viresh

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