Comment 6 for bug 1803881

i am also seeing this. In my case:

thermal thermal_zone3: failed to read out thermal zone (-61)

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.10
Release: 18.10
Codename: cosmic

$ uname -a
Linux w00t 4.18.0-14-generic #15-Ubuntu SMP Mon Jan 14 09:01:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

$ sudo apt-cache policy thermald
thermald:
  Installed: 1.7.0-8ubuntu1
  Candidate: 1.7.0-8ubuntu1
  Version table:
 *** 1.7.0-8ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu cosmic-proposed/main amd64 Packages
        100 /var/lib/dpkg/status
     1.7.0-8 500
        500 http://us.archive.ubuntu.com/ubuntu cosmic/main amd64 Packages

$ cat /sys/class/thermal/thermal_zone3/type
iwlwifi