These are kernel bugs, so better to file in kernel bugzilla.
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https://bugs.launchpad.net/bugs/1803881
Title:
thermal thermal_zone4: failed to read out thermal zone (-61)
Status in linux package in Ubuntu:
Incomplete
Status in thermald package in Ubuntu:
Confirmed
Bug description:
Thermald can't read zone4. It's making my fan go crazy, this issue
seems to be a bit more controlled in 18.10.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.1 LTS
Release: 18.04
Codename: bionic
sudo apt-cache policy thermald
thermald:
Installed: 1.7.0-5ubuntu1
Candidate: 1.7.0-5ubuntu1
Version table:
*** 1.7.0-5ubuntu1 500
500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
100 /var/lib/dpkg/status
cat /sys/class/thermal/thermal_zone4/type
iwlwifi
find /sys/class/thermal/thermal_zone4/ -type f -print -exec cat {} \;
/sys/class/thermal/thermal_zone4/uevent
/sys/class/thermal/thermal_zone4/trip_point_5_temp
-32768000
/sys/class/thermal/thermal_zone4/trip_point_3_type
passive
/sys/class/thermal/thermal_zone4/trip_point_4_temp
-32768000
/sys/class/thermal/thermal_zone4/trip_point_2_type
passive
/sys/class/thermal/thermal_zone4/power/runtime_active_time
0
/sys/class/thermal/thermal_zone4/power/runtime_active_kids
0
/sys/class/thermal/thermal_zone4/power/runtime_usage
0
/sys/class/thermal/thermal_zone4/power/runtime_status
unsupported
/sys/class/thermal/thermal_zone4/power/autosuspend_delay_ms
cat: /sys/class/thermal/thermal_zone4/power/autosuspend_delay_ms:
Input/output error
/sys/class/thermal/thermal_zone4/power/async
disabled
/sys/class/thermal/thermal_zone4/power/runtime_suspended_time
0
/sys/class/thermal/thermal_zone4/power/runtime_enabled
disabled
/sys/class/thermal/thermal_zone4/power/control
auto
/sys/class/thermal/thermal_zone4/available_policies
power_allocator user_space bang_bang fair_share step_wise
/sys/class/thermal/thermal_zone4/policy
step_wise
/sys/class/thermal/thermal_zone4/trip_point_3_temp
-32768000
/sys/class/thermal/thermal_zone4/trip_point_1_type
passive
/sys/class/thermal/thermal_zone4/k_d
cat: /sys/class/thermal/thermal_zone4/k_d: Input/output error
/sys/class/thermal/thermal_zone4/sustainable_power
cat: /sys/class/thermal/thermal_zone4/sustainable_power: Input/output error
/sys/class/thermal/thermal_zone4/type
iwlwifi
/sys/class/thermal/thermal_zone4/trip_point_7_type
passive
/sys/class/thermal/thermal_zone4/offset
cat: /sys/class/thermal/thermal_zone4/offset: Input/output error
/sys/class/thermal/thermal_zone4/slope
cat: /sys/class/thermal/thermal_zone4/slope: Input/output error
/sys/class/thermal/thermal_zone4/trip_point_2_temp
-32768000
/sys/class/thermal/thermal_zone4/trip_point_0_type
passive
/sys/class/thermal/thermal_zone4/trip_point_6_type
passive
/sys/class/thermal/thermal_zone4/emul_temp
cat: /sys/class/thermal/thermal_zone4/emul_temp: Permission denied
/sys/class/thermal/thermal_zone4/k_po
cat: /sys/class/thermal/thermal_zone4/k_po: Input/output error
/sys/class/thermal/thermal_zone4/integral_cutoff
cat: /sys/class/thermal/thermal_zone4/integral_cutoff: Input/output error
/sys/class/thermal/thermal_zone4/k_i
cat: /sys/class/thermal/thermal_zone4/k_i: Input/output error
/sys/class/thermal/thermal_zone4/trip_point_1_temp
-32768000
/sys/class/thermal/thermal_zone4/k_pu
cat: /sys/class/thermal/thermal_zone4/k_pu: Input/output error
/sys/class/thermal/thermal_zone4/temp
46000
/sys/class/thermal/thermal_zone4/trip_point_7_temp
-32768000
/sys/class/thermal/thermal_zone4/trip_point_5_type
passive
/sys/class/thermal/thermal_zone4/trip_point_0_temp
-32768000
/sys/class/thermal/thermal_zone4/trip_point_6_temp
-32768000
/sys/class/thermal/thermal_zone4/trip_point_4_type
passive
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