** Changed in: thermald (Ubuntu)
Assignee: Colin Ian King (colin-king) => Ubuntu Kernel Team
(ubuntu-kernel-team)
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https://bugs.launchpad.net/bugs/1901266
Title:
system sluggish, thermal keep frequency at 400MHz
Status in thermald package in Ubuntu:
Incomplete
Bug description:
This morning I upgraded to 20.10 from 20.04
The system was quite slow although I have a fast machine. My virtual windows
10 on virtualbox became unusable. When I tried to have the virtual machine
open, I could not participate properly in a zoom call (I could still hear the
people but they said that my voice was very choppy)
On 20.04 I was super-happy with the speed and I could have as many apps
running as I want.
Based on google I started looking at
% journalctl --follow
and this shows quite a few errors but not repeating often enough to explain
it.
Then I googled some more and found that /boot/efi was writing and
reading.
Then I googled some more and thought I had trouble with gnome. So I reset it
to default
% dconf reset -f /org/gnome/
and disabled the extensions. This made things slightly better but by far not
acceptable.
After lots of searching I checked the frequency of the CPUs and it was at the
minimum 400Hz (as shown by i7z and also other tools). I tried setting the
governor with cpufreqctl and similar methods but this did not change anything.
I then found an old bug
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1769236 and tried
% sudo systemctl stop thermald
this seems to work. After a few seconds the frequency shown in i7z goes to
~4500 MHz and the virtual machine seems to work fine.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: thermald 2.3-4
ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
Uname: Linux 5.8.0-25-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 24 01:39:40 2020
DistributionChannelDescriptor:
# This is the distribution channel descriptor for the OEM CDs
# For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-bionic-amd64-20180608-47+merion+X66
InstallationDate: Installed on 2019-09-27 (392 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary
20180608-09:38
SourcePackage: thermald
UpgradeStatus: Upgraded to groovy on 2020-10-23 (0 days ago)
mtime.conffile..etc.thermald.thermal-conf.xml: 2020-10-24T01:35:59.781865
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