[Bug 112491] Radeon: HD 7400G / A4-4355M System overheats with active graphics card use.

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=112491

--- Comment #18 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Dionisus Torimens from comment #17)
> I think I've solved it. 
> The kernel parameter 
> 
> radeon.runpm=0
> 
> seems to work around the issue. The performance is degraded, but the
> temperatures mostly stay below 80°C. Generally the system appears to stay
> much cooler.

Is this a multi-GPU notebook?  That option only affects Hybrid laptops with
multiple GPUs.

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