[ltp] partial success w/ radeon-patch on T41

[Bret Comstock Waldow]

Just a shot in the dark...

Can you check your CPU speed on resume?  Is it being set lower?

On Thu, 2005-02-03 at 06:29, Ulrich Kuehn wrote:
> Hi everybody,
> 
> I tried out the 2.6.11-rc2 kernel with the radeon patches to get rid of
> the acpi sleep power issue. So far, I had some partial success so far.
> 
> Model 2373-2GG, Radeon Mobility 7500 (M7). Screen 1024x768, 14.1".
> 
> My thinkpad uses about 3000mW during suspend-to-RAM under 2.6.10
> 
> With all the patches and 2.6.11-rc2, it uses only about 600mW, so the
> patch works as advertised.
> 
> Unfortunately, this comes at a price: There is sometimes a wierd,
> high-pitched sound, as if some power converted would operate at some
> audible frequency. So I assume there is some timing issues here. 
> 
> A second issue is that glxgears gives about 712 FPS when used after a
> fresh boot, but only about 703 when running after resuming from
> suspend-to-RAM.
> 
> Any ideas what's happening here?
> 
> Ulrich