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Re: amiga framebuffer (aga) and xfree 4.2.1-3: shadowfb trouble



On Fri, Apr 11, 2003 at 12:03:40PM +0200, Michel Dänzer wrote:
> On Don, 2003-04-10 at 00:12, zmej serow wrote:
> > please, help. x wan't start on my amiga a1200/b1240/32mb. it hasn't any
> > nifty stuff like mediator pci :-) only default aga chipset, nothing more.
> > xfree 3.3.6 from potato was ok, but i have to use new xlibs. so..
> > xfree4 out-of-box yells in log about "symbol shadow-lalala unresolved" when
> > it tries to load module fbdev_drv.o. then i've added "load fbdevhw" and
> > "load shadowfb" to "module" section of my /etc/x11/xfree86config-4. ok, no
> > more yellings about unresolved symbols, it even tries to set up normal
> > graphic videomode, but then dumps out with this: "shadow framebuffer not
> > supported for afb". ok then, i've turned "ShadowFB" option off. well, it
> > doesn't work again - even not changing videomode! here is two my
> > xfree86.0.log-s, first according to situation when videomode changes an
> > second to last try (shadowfb = false).
> > 
> > what should i do?..
> 
> Write or fix the code I'm afraid. :) There's definitely no shadow code
> for afb yet (but it could be a big performance win - hint, hint), and
> the non-shadow afb code in the fbdev driver seems broken. I'll happily
> integrate fixes. :)

If you want to give fixing this a try, i will happily assist you, i
could even ressurect my amiga box for it, but i have not much time to
really work on this right now.

Notice also that there is a bug with the shadowfb code and the new ARGB
cursor code, Daniel, i will try to generate a patch for it soon, maybe
it would be good to have it integrated into your -2 package ?

Friendly,

Sven Luther



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