Error message displayed on the console: ACPI: Unable to turn cooling device ‘on’
系统：CentOS 5.2
[root@localhost ~]# uname -a
Linux keygon 2.6.18-92.el5 #1 SMP Tue Jun 10 18:49:47 EDT 2008 i686 i686 i386 GNU/Linux
原因：服务器温度过高；
解决方法：降低环境温度，增加散热；
grub 启动参数：noacpi
Check your temperature threshold
# cat /proc/acpi/thermal_zone/THRM/trip_points
Set to higher/proper threshold and the spam went away:
# echo -n “65:60:50:55:50:45″ > /proc/acpi/thermal_zone/THRM/trip_points
Refer to: http://www.centos.org/modules/newbb/viewtopic.php?topic_id=8158