Public bug reported:
I have a Sony VAIO YB3V1E/S with AMD E-450.
I did a fresh install of lubuntu 64bit 12.04 LTS on it, and i noticed
that with the default opensource driver, the fan would never go below
the medium speed (it seems to have three speeds: low, medium, and high).
With the proprietary fglrx driver form the repos, the fan normally stays
on the low speed when doing easy stuff like browsing the web, etc.
I am guessing that the opensource driver probably isn't throttling down
the gpu to save power (and heat).
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/992253
Title:
radeon driver causes notebook fan to run always on at least medium
speed
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