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Re: Powerbook G4 1.33 GHz CPU temperature

> > A ghost image of whatever is on the screen, displaced by (roughly) 128
> > pixels to the left. At the refresh rate used by X, the ghost image
> > flickers so that you see it light up with a periodicity of around a cm
> > vertical, or approximately 40 pixels (that's rather harder to estimate).
> > The individual streaks of ghosting seem to wander down, then jump up
> > again.
> >
> > Funny enough, it's systematic enough to persist across a suspend to disk
> > :-)
> Ok, this isn't flicker, more like the PLL locking improperly.. I've seen
> this happening randomly on anton's new laptop, usually it goes away if
> you force radeonfb to reprogram the display a couple of times.

How so?

You mentioned a patch for hardcoding the PLL; any specific pointer for

> Have you tried, when it happens, turning the backlight all the way down
> to 0, waiting a bit, then back up ? Does this help at all ?

Nope. fblevel 0 as well as fblevel off doesn't help any.


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