AMD Mobile processor does not throttle down
Bug #9889 reported by
Knappen
This bug report is a duplicate of:
Bug #8200: Some cpufreq modules are not loaded automatically yet.
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Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-source-2.6.15 (Ubuntu) |
Invalid
|
Medium
|
Unassigned |
Bug Description
I am running Ubuntu on a laptop with a AMD Mobile processor. The laptop runs
extreemly hot and drains the battery very quickly. It looks like the processor
does not throttle down. In the ACPI settings it says that throttling is not
supported for this processor but it actually is. It works fine under Windows and
other Linux distributions.
With a battery life around 30 minutes, Ubuntu really makes the laptop useless
unless plugged in.
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My understanding is that you don't want throttling; you want CPU frequency
scaling. Is CPU frequency scaling not working?
What kind of battery life do you see with other operating systems?