Re: X screen blanking strangeness

[Duncan Sands <duncan.sands@math.u-psud.fr>]

> > I'm running X 4.0.3 on an 8500 powermac (kernel 2.4).
> 
> What driver, I assume fbdev? What framebuffer device?

Sorry about that!  It was all in my other post:
8500 powermac (controlfb), kernel 2.4, 8bpp, kernel parameter:
video=controlfb:vmode:14,cmode:0.

> > If I leave the computer alone, after a while the screen goes blank.  Normal!
> > But not everything blanks: the clock for instance keeps being drawn,
> > leaving a black screen with a clock on it.
> 
> What depth? The fbdev driver used to set the colormap to blank the screen at
> least in depth 8, it could be that your framebuffer device doesn't fully
> support that.
> 
> > If I wait longer, eventually everything goes black, even the clock.
> 
> That could be DPMS kicking in?
> 
> 
> This is a bit more than my average dose of speculation... :)

Thanks for taking the trouble to reply.  Maybe you have too much free time
on your hands now 4.1.0 is out!

> The XFree86 4.1.0 has much better blanking and DPMS support so I'd be curious
> how that would do.

I will give it a try.

Ciao, Duncan.