Comment # 31 on bug 1103356 from Thomas Blume

Created attachment 781492 [details]
logs from new debug kernel

Here are the logs with the new debug kernel.
With this kernel, the fan noise starts immediately and
/sys/devices/pci0000\:00/0000\:00\:01.0/0000\:01\:00.0/hwmon/hwmon0/pwm1
remains constant at 78