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From: "Doug Smythies" <dsmythies@telus.net>
To: "'Rafael J. Wysocki'" <rjw@rjwysocki.net>,
	"'Linux PM'" <linux-pm@vger.kernel.org>
Cc: "'Linux ACPI'" <linux-acpi@vger.kernel.org>,
	"'LKML'" <linux-kernel@vger.kernel.org>,
	"'Viresh Kumar'" <viresh.kumar@linaro.org>,
	"'Sudeep Holla'" <sudeep.holla@arm.com>,
	"'Dmitry Osipenko'" <digetx@gmail.com>
Subject: RE: [RFT][PATCH 1/3] PM: QoS: Introduce frequency QoS
Date: Sun, 17 Nov 2019 08:13:13 -0800	[thread overview]
Message-ID: <000001d59d61$eb4e6670$c1eb3350$@net> (raw)
In-Reply-To: 

Apologies if people are getting this e-mail twice.
Because it had an attachment, I think it got deleted
from list distribution.

On 2019.11.16 23:35 Doug Smythies wrote:
> On 2019.10.16 03:41 Rafael J. Wysocki wrote:
>
> ... deleted ...
>
> Hi Rafael,
>
> Not sure, but I think it is this one that
> causes complaining when I try to set the
> intel_pstate driver to passive mode.
> I started from active mode, powersave governor,
> no HWP.
>
> Kernel: 5.4-rc7
>
> I did not go back and try previous 5.4 RCs.
> I did try kernel 5.3-rc8, because I already had
> it installed, and it worked fine.
>
> I use a script (for years), run as sudo:
>
> doug@s15:~/temp$ cat set_cpu_passive
> #! /bin/bash
> cat /sys/devices/system/cpu/intel_pstate/status
> echo passive > /sys/devices/system/cpu/intel_pstate/status
> cat /sys/devices/system/cpu/intel_pstate/status
>
> And I get this (very small excerpt):
>
> freq_qos_add_request() called for active request
> WARNING: CPU: 1 PID: 2758 at kernel/power/qos.c:763 freq_qos_add_request+0x4c/0xa0
> CPU: 1 PID: 2758 Comm: set_cpu_passive Not tainted 5.4.0-rc7-stock #727
> Failed to add freq constraint for CPU0 (-22)
>
> freq_qos_add_request() called for active request
> WARNING: CPU: 1 PID: 2758 at kernel/power/qos.c:763 freq_qos_add_request+0x4c/0xa0
> CPU: 1 PID: 2758 Comm: set_cpu_passive Tainted: G        W         5.4.0-rc7-stock #727
> Failed to add freq constraint for CPU1 (-22)
>
> ...
>
> I'll attach the whole thing, but it will likely get removed
> from the general list e-mails.
>
> ... Doug

I forgot to mention, other than the error messages,
things seems to work fine.

If anyone wants to see what was the attachment, it
is here (for a few days):

http://www.smythies.com/~doug/temp_kernel/rjw.txt



  parent reply	other threads:[~2019-11-17 16:13 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-16 10:37 [RFT][PATCH 0/3] cpufreq / PM: QoS: Introduce frequency QoS and use it in cpufreq Rafael J. Wysocki
2019-10-16 10:41 ` [RFT][PATCH 1/3] PM: QoS: Introduce frequency QoS Rafael J. Wysocki
2019-10-17  9:41   ` Viresh Kumar
2019-10-17 14:16     ` Rafael J. Wysocki
2019-10-18  5:41       ` Viresh Kumar
2019-10-24 19:01   ` Leonard Crestez
2019-10-24 19:34     ` Leonard Crestez
2019-11-17  7:34   ` Doug Smythies
2019-11-17 16:13   ` Doug Smythies [this message]
2019-11-19 14:35     ` Doug Smythies
2019-11-19 19:17       ` Rafael J. Wysocki
2019-11-19 22:13         ` Rafael J. Wysocki
2019-11-20  6:55           ` Doug Smythies
2019-11-20  9:08             ` Rafael J. Wysocki
2019-10-16 10:47 ` [RFT][PATCH 2/3] cpufreq: Use per-policy " Rafael J. Wysocki
2019-10-16 18:01   ` Dmitry Osipenko
2019-10-17 21:29     ` Dmitry Osipenko
2019-10-18  9:29       ` Viresh Kumar
2019-10-18 15:31         ` Dmitry Osipenko
2019-10-16 10:47 ` [RFT][PATCH 3/3] PM: QoS: Drop frequency QoS types from device PM QoS Rafael J. Wysocki
2019-10-16 14:23 ` [RFT][PATCH 0/3] cpufreq / PM: QoS: Introduce frequency QoS and use it in cpufreq Sudeep Holla
2019-10-17  9:57   ` Viresh Kumar
2019-10-17  9:59     ` Sudeep Holla
2019-10-17 16:34       ` Rafael J. Wysocki
2019-10-17 16:42         ` Sudeep Holla
2019-10-18  5:44         ` Viresh Kumar
2019-10-18  8:24           ` Rafael J. Wysocki
2019-10-18  8:27             ` Viresh Kumar
2019-10-18  8:30               ` Rafael J. Wysocki
2019-10-18  9:24                 ` Viresh Kumar
2019-10-18  9:26                   ` Rafael J. Wysocki
2019-10-18  9:28                     ` Viresh Kumar
2019-10-17 17:14   ` Sudeep Holla
2019-10-17  9:46 ` Viresh Kumar

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