[Bug 36438] ATI card fan is always on with opensource radeon driver

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Sep 6 13:37:32 PDT 2011


--- Comment #7 from Pasi Kärkkäinen <pasik at iki.fi> 2011-09-06 13:37:32 PDT ---
(In reply to comment #6)
> See the "KMS Power Management Options" section of this page:
> http://wiki.x.org/wiki/RadeonFeature

I have Mobility Radeon HD 3650 and I'm seeing this problem aswell.

The default power_profile called "default" makes the laptop overheat and causes
emergency thermal shutdowns and crashes.

This happens at least with Linux 2.6.35, 2.6.38 and 3.0.0. I've tried with
Fedora 14, 15 and 16 alpha.

Changing the power_profile to "low" makes the temperature go down at least
10-20 degrees celsius.

Any idea why the default profile doesn't work?

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