linux-kernel - Dell XPS 13 9370: thermal thermal_zone10: failed to read out thermal zone (-61)

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Message-ID: <466c8661-4d5b-ba05-328d-6772804169d3@molgen.mpg.de>
Date:   Tue, 23 Aug 2022 16:00:30 +0200
From:   Paul Menzel <pmenzel@...gen.mpg.de>
To:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     linux-pm@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Dell XPS 13 9370: thermal thermal_zone10: failed to read out thermal
 zone (-61)

Dear Linux folks,


On the Dell XPS 13 9370 with Debian sid/unstable, Linux warns about a 
thermal related issue:

     [    0.000000] Linux version 5.18.0-4-amd64 
(debian-kernel@...ts.debian.org) (gcc-11 (Debian 11.3.0-5) 11.3.0, GNU 
ld (GNU Binutils for Debian) 2.38.90.20220713) #1 SMP PREEMPT_DYNAMIC 
Debian 5.18.16-1 (2022-08-10)
     […]
     [    0.000000] DMI: Dell Inc. XPS 13 9370/0RMYH9, BIOS 1.21.0 
07/06/2022
     […]
     [   15.722394] thermal thermal_zone10: failed to read out thermal 
zone (-61)

Can that warning be addressed?


Kind regards,

Paul


PS: There are twelve thermal zones:

```
$ ls -l /sys/devices/virtual/thermal/
total 0
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device0
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device1
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device2
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device3
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device4
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device5
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device6
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device7
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device8
drwxr-xr-x 4 root root 0 Aug 23 14:24 cooling_device9
drwxr-xr-x 4 root root 0 Aug 23 14:24 thermal_zone0
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone1
drwxr-xr-x 4 root root 0 Aug 23 14:24 thermal_zone10
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone11
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone2
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone3
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone4
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone5
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone6
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone7
drwxr-xr-x 4 root root 0 Aug 23 14:24 thermal_zone8
drwxr-xr-x 3 root root 0 Aug 23 14:24 thermal_zone9
$ ls -l /sys/devices/virtual/thermal/thermal_zone10/
total 0
-r--r--r-- 1 root root 4096 Aug 23 16:00 available_policies
drwxr-xr-x 3 root root    0 Aug 23 14:24 hwmon6
-rw-r--r-- 1 root root 4096 Aug 23 16:00 integral_cutoff
-rw-r--r-- 1 root root 4096 Aug 23 16:00 k_d
-rw-r--r-- 1 root root 4096 Aug 23 16:00 k_i
-rw-r--r-- 1 root root 4096 Aug 23 16:00 k_po
-rw-r--r-- 1 root root 4096 Aug 23 16:00 k_pu
-rw-r--r-- 1 root root 4096 Aug 23 16:00 mode
-rw-r--r-- 1 root root 4096 Aug 23 16:00 offset
-rw-r--r-- 1 root root 4096 Aug 23 16:00 policy
drwxr-xr-x 2 root root    0 Aug 23 15:33 power
-rw-r--r-- 1 root root 4096 Aug 23 16:00 slope
lrwxrwxrwx 1 root root    0 Aug 23 14:24 subsystem -> 
../../../../class/thermal
-rw-r--r-- 1 root root 4096 Aug 23 16:00 sustainable_power
-r--r--r-- 1 root root 4096 Aug 23 16:00 temp
-rw-r--r-- 1 root root 4096 Aug 23 16:00 trip_point_0_temp
-r--r--r-- 1 root root 4096 Aug 23 16:00 trip_point_0_type
-rw-r--r-- 1 root root 4096 Aug 23 16:00 trip_point_1_temp
-r--r--r-- 1 root root 4096 Aug 23 16:00 trip_point_1_type
-rw-r--r-- 1 root root 4096 Aug 23 16:00 trip_point_2_temp
-r--r--r-- 1 root root 4096 Aug 23 16:00 trip_point_2_type
-rw-r--r-- 1 root root 4096 Aug 23 16:00 trip_point_3_temp
-r--r--r-- 1 root root 4096 Aug 23 16:00 trip_point_3_type
-rw-r--r-- 1 root root 4096 Aug 23 16:00 trip_point_4_temp
-r--r--r-- 1 root root 4096 Aug 23 16:00 trip_point_4_type
-rw-r--r-- 1 root root 4096 Aug 23 16:00 trip_point_5_temp
-r--r--r-- 1 root root 4096 Aug 23 16:00 trip_point_5_type
-rw-r--r-- 1 root root 4096 Aug 23 16:00 trip_point_6_temp
-r--r--r-- 1 root root 4096 Aug 23 16:00 trip_point_6_type
-rw-r--r-- 1 root root 4096 Aug 23 16:00 trip_point_7_temp
-r--r--r-- 1 root root 4096 Aug 23 16:00 trip_point_7_type
-r--r--r-- 1 root root 4096 Aug 23 16:00 type
-rw-r--r-- 1 root root 4096 Aug 23 14:24 uevent
```