** Changed in: linux (Ubuntu)
Assignee: Ubuntu Kernel Team (ubuntu-kernel-team) => koba (kobako)
** Changed in: thermald (Ubuntu)
Assignee: Ubuntu Kernel Team (ubuntu-kernel-team) => koba (kobako)
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** Changed in: linux (Ubuntu)
Assignee: Colin Ian King (colin-king) => Ubuntu Kernel Team
(ubuntu-kernel-team)
** Changed in: thermald (Ubuntu)
Assignee: Colin Ian King (colin-king) => Ubuntu Kernel Team
(ubuntu-kernel-team)
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@Colin, please excuse my late response. Version 1.9.1-1ubuntu0.5
unfortunately shows the same behavior. My colleague switched to the self
compiled version again.
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@Gerald, did thermald 1.9.1-1ubuntu0.5 help resolve the issue?
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https://bugs.launchpad.net/bugs/1769236
Title:
CPU frequency stuck at minimum value
Status in linux
Thermald 1.9.1-1ubuntu0.4 contains the backport of the adaptive engine,
see bug https://bugs.launchpad.net/ubuntu/+source/thermald/+bug/1913186
Thermald 1.9.1-1ubuntu.05 contains the following fixes that may also be
useful:
- Disable legacy rapl cdev when rapl-mmio is in use
This will
The installed version is 1.9.1-1ubuntu0.4.
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https://bugs.launchpad.net/bugs/1769236
Title:
CPU frequency stuck at minimum value
Status in linux package in Ubuntu:
@Gerald, can you inform me which release you are using an the version of
thermald you were using when you observed this bug? I'll double check to
see if any backported fixes are missing.
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Colin Ian King (colin-king)
** Changed in:
Compiling thermald 2.4.6 from source solved the issue for us on a Dell
Latitude 7400. This bug is hard to spot. We were almost about to
exchange the hard drive, which would not have helped. Please include the
fixes in the official Ubuntu package. It would save many other people
spending hours of
If possible please try to build from
https://github.com/intel/thermal_daemon
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https://bugs.launchpad.net/bugs/1769236
Title:
CPU frequency stuck at minimum value
After upgrading to thermald (1.9.1-1ubuntu0.4) my laptop is constantly
throttled to 400-800 MHz even under single core load, while CPU
temperature is under 55°C. The previous version was 1.9.1-1ubuntu0.3 and
I had no problems back then.
When thermald is disabled, after a minute of rendering in
I am now running KDE Neon, which comes with thermald 1.9.1-1ubuntu0.3,
and have not noticed any problems. The fans certainly spin up under
load.
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@folks, does the latest thermald resolve this issue?
** Changed in: thermald (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1769236
I can confirm this bug is still there in Ubuntu 20.04 (and from what i
did find it already exists at least 13 years!). I think this should get
some priority.
I have a Dell XPS13 for 1.5 year now and this haunted me ever since.
I recently discovered that i can restore normal operation by temporary
** Tags added: cscc
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Title:
CPU frequency stuck at minimum value
Status in linux package in Ubuntu:
Confirmed
Status in
Would it be possible to include a newer version of thermald (was
probably fixed in 1.7.2 according to release notes) in Ubuntu? I have a
similar issue and it's quite annoying.
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Seems similar to:
https://bugs.launchpad.net/ubuntu/+source/thermald/+bug/1811730
I fixed the problem using the latest version of thermald from git.
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According to:
https://askubuntu.com/questions/1067866/ubuntu-18-04-steam-games-frame-
rate-drop/1073353#1073353?newreg=c7c120f373da4effb7317104571cd573
The problem is related to irqbalance and the solution is to remove it:
sudo apt remove irqbalance
Checked in my laptop and it works.
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Glen:
Thanks for good suggestions. I will consider for next revision.
But problem in this bugzilla is addressed. This system has buggy
temperature threshold. OEM didn't find because Windows will not use any
more.
So with the change we really look if Windows would have used this
threshold based
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: thermald (Ubuntu)
Status: New => Confirmed
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I tried thermald 1.7.2, and I can make it work for me, but I don't
think it is the best solution. Please pardon the length at which I
explain my confusion.
I find the thermal-conf files to be confusing. Ubuntu 18.04's
thermald-1.7.0 package installs file /etc/thermald/thermal-conf.xml.
Based on
I have pushed workaround for this. Please try the latest thermald
https://github.com/intel/thermal_daemon/tree/v1.7.2-test
This should show version 1.7.2 when you do thermald --version.
Please test and let me know if the problem is fixed. Reboot your system
to try new version, so that it will not
If /var/run points to tmpfs then you can't change. Let me update a new
version of thermald by working around this issue. But you have to build
it yourself and try.
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No, /var/run/thermald/thermal-conf.xml.auto _is_ regenerated. I tried
editing it. /var/run is a symbolic link to /run, which is a tmpfs.
The uuids directory contains two files. One is empty, and the other contains
the word "INVALID".
===
gjditchf@copperplate:/sys/bus/acpi$ cd
Thanks for providing the dump. Unfortunately the Spectre system has bad
thermal table values (Since Windows 10 is using more advanced tables,
manufacturer didn't notice bad values impact.). So there may be more
systems like this. So I want to implement some workaroud. Can you give
me dump of
#
/var/run/thermald/thermal-conf.xml.auto will not be regenerated, if
present, so you can edit.
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Title:
CPU frequency stuck at
** Attachment added: "grep-thermal.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1769236/+attachment/5142653/+files/grep-thermal.txt
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I will attach acpi.out, and also the output of "grep -r .
/sys/class/thermal/*" in grep-thermal.txt.
As for editing /var/run/thermald/thermal-conf.xml.auto ... that file is
regenerated at boot. How do I make persistent changes? I tried copying
the edited file to /etc/thermald/thermal-conf.xml,
Can you also attach output of acpidump?
#acpidump > acpi.out
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Title:
CPU frequency stuck at minimum value
Status in linux package
Thanks for providing detailed logs. I see in the log:
"
cthd_sysfs_zone::read_cdev_trip_points: ZONE bound to CDEV status 0
Sorted trip dump zone index:5 type:B0D4:
index 2: type:passive temp:4 hyst:1000 zone id:5 sensor id:5 cdev size:0
"
So this is a problem in configuration of the
This seems to have wrong temperature threshold issue. 64C is too low threshold.
What is the dump of the following:
#grep -r . /sys/class/thermal/*
Meanwhile you can edit the file thermal-conf.xml.auto and change
*
to
95000
to make system usable.
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** Also affects: thermald (Ubuntu)
Importance: Undecided
Status: New
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Title:
CPU frequency stuck at minimum value
Status
I will attach /var/run/thermald/thermal-conf.xml.auto, and
thermal.log (generated by sudo thermald --no-daemon --loglevel=debug)
to illustrate thermald's bad behaviour.
Thermal.log up to line 500 shows the output when the laptop was idling:
sensor B0D4 stayed cooler than 40°C, the CPUs ran at 900
** Attachment added: "thermal-conf.xml.auto"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1769236/+attachment/5141771/+files/thermal-conf.xml.auto
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Should this bug be reassigned to thermald?
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Title:
CPU frequency stuck at minimum value
Status in linux package in Ubuntu:
With thermald stopped, and with the laptop displaying a desktop but not
running any heavy loads, all 8 threads idle at 900 MHz, with all 4 cores
typically running under 40°C.
When I run c-ray with thermald stopped, all 8 threads run at 2400 MHz and the
cores warm up as high as 82°C, with short
Is it possible that it's thermal throttled by thermald?
You can disable thermald by executing `sudo systemctl stop thermald`.
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Title:
Upstream kernel 4.17.0-rc4 didn't change performance.
Recall that I installed Kubuntu. Since then I have installed ubuntu-
gnome-desktop, in case that provided some missing configuration file.
With either kernel, I get this behavior:
- I boot the laptop.
- Instead of logging into a desktop
apport information
** Tags added: apport-collected
** Description changed:
I installed the Kubuntu variant of Ubuntu 18.04 on a new HP Spectre 13
laptop. Performance is poor. The CPU (an i7-8550U) is running at
400MHz, and never speeds up, even when running some of the Phoronix Test
This was a fresh install, not an upgrade. I have applied all updates
made available since the installation, but performance has not changed.
I have not installed any other linux on this laptop. For comparison
purposes, I booted it from a 17.04 (Artful) live USB, which has kernel
4.13.0-16. It
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.17
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