Not logged in
Log in now
Create an account
Subscribe to LWN
LWN.net Weekly Edition for December 5, 2013
Deadline scheduling: coming soon?
LWN.net Weekly Edition for November 27, 2013
ACPI for ARM?
LWN.net Weekly Edition for November 21, 2013
The Nouveau driver graduates from staging
Posted Mar 26, 2012 7:53 UTC (Mon) by patrick_g (subscriber, #44470)
Posted Mar 26, 2012 8:31 UTC (Mon) by linusw (subscriber, #40300)
Posted Mar 26, 2012 16:32 UTC (Mon) by tialaramex (subscriber, #21167)
After all there _are_ sensors, the only issue is how much the local firmware on the device does. It might (like many modern CPUs) be capable of protecting itself from excess temperature no matter how bad the cooling is. In that case incorrectly setting the fan speed would at worst result in a sudden loss of picture as the GPU shuts off abruptly, a "learning opportunity" for the operator, and a good reason for Nouveau to keep working on this problem, but not really dangerous.
Posted Mar 27, 2012 11:57 UTC (Tue) by Lennie (subscriber, #49641)
The URL should skip to where they talk about powermanagement/fans.
Posted Mar 29, 2012 7:19 UTC (Thu) by Cato (subscriber, #7643)
- find suitable stress test programs that drive both CPU and GPU as hard as possible
- manually adjust the fan speeds until temperature is within safe limits for both CPU and GPU - maybe go for 10-15C below maximums to allow for really hot weather up to 40C, depending on current room temperature
This will be noisier than a temperature driven fan setup, of course - this may help: https://wiki.archlinux.org/index.php/Fan_Speed_Control - and many laptops have specific fan control tools. GkrellM and other tools report fan speeds from GPU as well as CPU.
Copyright © 2013, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds