[Bug 325805] Re: Medion AMD Turion 64x2 Runs HOT (CPU idle temp 46 deg C)

madbiologist 325805 at bugs.launchpad.net
Thu Aug 15 03:35:14 UTC 2013

If this is still occurring on Ubuntu 12.04 "Precise Pangolin" or later,
AND you have an AMD/ATI graphics chip, keep reading.

Basic AMD/ATI power management is available in the 2.6.35 kernel (used
in Ubuntu 10.10 "Maverick Meerkat") and later.  There is a dynamic
method or a profile-based method. You can switch between the dynamic and
profile-based methods by typing "echo dynpm
/sys/class/drm/card0/device/power_method” or “echo profile
/sys/class/drm/card0/device/power_method", and switch profile by typing
"echo <option> /sys/class/drm/card0/device/power_profile".  Replace
<option> with auto, low, high, or default.  (Depending on your
configuration, “card0” might be different)

You will not be able to use the better power management which was
recently introduced in the upstream 3.11 linux kernel as it is only for
AMD/ATI Radeon R600 and newer hardware.  The fact that you reported this
bug with the 2.6.27-11-generic x86_64 kernel tells me that if you do
have an AMD/ATI graphics chip it is an R500 or earlier, as support for
the R600 and R700 was introduced in the 2.6.30 kernel.

** Package changed: firefox-3.0 (Ubuntu) => linux (Ubuntu)

** Tags added: intrepid

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  Medion AMD Turion 64x2 Runs HOT (CPU idle temp 46 deg C)

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