[ltp] [PATCH] In-kernel automatic fan control

Lars Otten linux-thinkpad@linux-thinkpad.org
Wed, 30 Nov 2005 17:06:32 +0000


On 11/30/05 15:18, Paul RIVIER wrote:
> Anything else : as we discussed 3 months ago, the default configuration
> for X
> does not include DynamicClock. With this configuration and under certain
> conditions, the GPU can outcome 70 °C while the cpu is under 50°C.
> There is fortunatly no incident reported yet about it, but it is theoricaly
> possible to burn the GPU before the cpu reach 65°C, so with fan off.
> Do not forget that in your patch :)

While we are at it, there is a relatively new script on ThinkWiki that
checks several sensor values, not only the CPU temp. I've been using it for
a few days now, seems to work flawlessly:
http://www.thinkwiki.org/wiki/ACPI_fan_control_script#Variable_speed_control_scripts

Cheers,
/Lars