GL problems with

Eric Anholt eta at lclark.edu
Tue Aug 26 01:35:01 PDT 2003


On Tue, 2003-08-26 at 01:26, Igor Pokrovsky wrote:
> On Mon, Aug 25, 2003 at 10:13:47AM -0700, Eric Anholt wrote:
> > > Check if bus mastering is enabled for this card. It was written somewhere in DRI
> > > docs from X distro how to do this. Also try to recompile with default optimizations.
> > > And check if you have latest kernel module for your card loaded.
> > 
> > Bus mastering is not an issue with the DRI these days.  It's enabled by
> > XFree86.  The docs that talk about setting busmastering are ancient and
> > really need to be thrown out.
> 
> Hmm, I didn't know that. Thanks for info. 
> But don't you need to be root to change bus mastering behaviour?

XFree86 is setuid root or started by the setuid root Xwrapper-4, which
is what lets it do all the rest of that fancy stuff with your video card
:)

-- 
Eric Anholt                                eta at lclark.edu          
http://people.freebsd.org/~anholt/         anholt at FreeBSD.org



More information about the freebsd-stable mailing list