From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: 37904@debbugs.gnu.org, Arne Babenhauserheide <arne_bab@web.de>
Subject: bug#37904: CPU overheating on recent laptops
Date: Tue, 12 Jul 2022 10:49:18 -0400 [thread overview]
Message-ID: <87wnci75e9.fsf@gmail.com> (raw)
In-Reply-To: <87pnikii3r.fsf@web.de> (Arne Babenhauserheide's message of "Sat, 26 Oct 2019 00:19:04 +0200")
Hi Ludo,
Arne Babenhauserheide <arne_bab@web.de> writes:
> Ludovic Courtès <ludo@gnu.org> writes:
>>> For laptops and other battery-powered devices, ‘conservative’ is
>>> preferred over ‘ondemand’. It's probably a sane default choice for
>>> all.
>
>> --8<---------------cut here---------------start------------->8---
>> $ cat /sys/devices/system/cpu/cpu?/cpufreq/scaling_available_governors
>> performance powersave
>
>> $ uname -a
>> Linux ribbon 5.3.7-gnu #1 SMP 1 x86_64 GNU/Linux
>> --8<---------------cut here---------------end--------------->8---
>>
>> Do you see more governors on your side? How could that be?
>
> Do you have a recent Intel CPU? From what I know they removed support
> for conservative, because their powersave is in fact conservative.
>
> Also they don’t necessarily stick to the frequency you set for them. To
> ensure that they keep the frequency, I have a script running that sets
> the speed every minute:
>
> (define cpupower-powersave-job
> ;; Set the governor to powersave every minute.
> ;; The job's action is a shell command.
> ;; TODO: migrate to clearer syntax: #~(job '(next-hour '(3)) (string-append #$btrfs-progs "/bin/btrfs scrub start -c 3 /")))
> #~(job "* * * * *" ;Vixie cron syntax
> "cpupower frequency-set -g powersave -u 1200000")) ;; use powersave governor with a maximum frequency of 1200MHz
>
> (this is a problem which also hits other distributions)
Is this problem still an issue? Based on what Arne says above, it seems
it isn't a fault in Guix, so perhaps we can close the issue and seek
resolution upstream if a problem remains?
Thanks,
Maxim
next prev parent reply other threads:[~2022-07-12 14:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 14:57 bug#37904: CPU overheating on recent laptops Ludovic Courtès
2019-10-24 16:30 ` Tobias Geerinckx-Rice via Bug reports for GNU Guix
2019-10-25 20:49 ` Ludovic Courtès
2019-10-25 22:19 ` Arne Babenhauserheide
2022-07-12 14:49 ` Maxim Cournoyer [this message]
2022-07-12 14:55 ` Ludovic Courtès
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