Unless I've hit a different bug, it looks like a systemd dependency problem because the unit fails at boot
# systemctl status thermald.service ● thermald.service - Thermal Daemon Service Loaded: loaded (/lib/systemd/system/thermald.service; enabled; vendor preset: enabled) Active: failed (Result: core-dump) since Tue 2015-08-04 11:57:41 EDT; 1min 25s ago Process: 515 ExecStart=/usr/sbin/thermald --no-daemon --dbus-enable (code=dumped, signal=ABRT) Main PID: 515 (code=dumped, signal=ABRT) Aug 04 11:57:40 myhost thermald[515]: sensor_update: type B0D4 Aug 04 11:57:40 myhost thermald[515]: sensor_update: type x86_pkg_temp Aug 04 11:57:40 myhost thermald[515]: thd_read_default_thermal_sensors loaded 4 sensors Aug 04 11:57:40 myhost thermald[515]: dts /sys/devices/platform/coretemp.0/name doesn't exist Aug 04 11:57:40 myhost thermald[515]: failed to GET COUNT on /dev/acpi_thermal_rel Aug 04 11:57:40 myhost thermald[515]: terminate called after throwing an instance of 'std::logic_error' Aug 04 11:57:40 myhost thermald[515]: what(): basic_string::_S_construct null not valid Aug 04 11:57:41 myhost systemd[1]: thermald.service: Main process exited, code=dumped, status=6/ABRT Aug 04 11:57:41 myhost systemd[1]: thermald.service: Unit entered failed state. Aug 04 11:57:41 myhost systemd[1]: thermald.service: Failed with result 'core-dump'. but # systemctl restart thermald.service # systemctl status thermald.service ● thermald.service - Thermal Daemon Service Loaded: loaded (/lib/systemd/system/thermald.service; enabled; vendor preset: enabled) Active: active (running) since Tue 2015-08-04 11:59:17 EDT; 1s ago Main PID: 1646 (thermald) CGroup: /system.slice/thermald.service └─1646 /usr/sbin/thermald --no-daemon --dbus-enable Aug 04 11:59:17 myhost thermald[1646]: cdev[3] Processor Aug 04 11:59:17 myhost thermald[1646]: index 0: type:max temp:94000 hyst:0 zone id:4 sensor id:65535 cdev size:4 Aug 04 11:59:17 myhost thermald[1646]: cdev[0] rapl_controller Aug 04 11:59:17 myhost thermald[1646]: cdev[1] intel_pstate Aug 04 11:59:17 myhost thermald[1646]: cdev[2] intel_powerclamp Aug 04 11:59:17 myhost thermald[1646]: cdev[3] Processor Aug 04 11:59:17 myhost thermald[1646]: index 2: type:polling temp:74400 hyst:0 zone id:4 sensor id:3 cdev size:0 Aug 04 11:59:17 myhost thermald[1646]: FD = 7 Aug 04 11:59:17 myhost thermald[1646]: Current user preference is 0 Aug 04 11:59:17 myhost thermald[1646]: thd_engine_thread begin -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1475917 Title: ● thermald.service loaded failed failed Thermal Daemon Service To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thermald/+bug/1475917/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs