The "nv" driver has nothing to do with either Xinerama or DBE.
The decision to disable DBE when Xinerama is enabled (because DBE
it doesn't work in Xinerama) is made in core XFree86 code, not the
driver.

                        Mark.

On Wed, 22 Jun 2005, Michal [iso-8859-2] Maru?ka wrote:

> Mark Vojkovich <[EMAIL PROTECTED]> writes:
>
> > On Sat, 18 Jun 2005, Michal [iso-8859-2] Maru??ka wrote:
> >
> >> * Is it correct, that the "nv" driver does not support DBE (double buffer 
> >> extension)?
> >
> >    The drivers have nothing to do with DBE extension support.  XFree86
> > supports DBE for all hardware whenever you load the "extmod" module.
> > DBE is not supported in Xinerama, however.
>
> Thank you for the solution. It was the Option "Xinerama" "true", even if I had
> no configuration for the xinerama layout.  Strange that with mga driver DBE
> works even with xinerama. Some manpage (the nv?)  should mention this
> incompatibility.
>
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