This issue happens with the stock 4.15 kernel. I have upgraded the kernel to 4.18 and 4.19 and was getting the same issue. I managed to get rid off the error now. It seems it does not like intel_pstate. I added intel_pstate=disable to grub and the error has gone away.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1803881 Title: thermal thermal_zone4: failed to read out thermal zone (-61) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1803881/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs