Re: DRI makes X slower (Re: radeondrm drm_attach error)

[Roy Marples <roy%marples.name@localhost>]

On Thursday 02 July 2009 18:11:16 Geert Hendrickx wrote:
> On Thu, Jul 02, 2009 at 09:30:16AM -0400, Rafal Boni wrote:
> > > vga0 at pci1 dev 0 function 0: vendor 0x1002 product 0x94c3 (rev. 0x00)
> > > radeondrm0 at vga0error: [drm:pid0:drm_attach] *ERROR* pci_mapreg info
> > > for 36 failed radeondrm0: Initialized radeon 1.29.0 20080613
> >
> > Ignore that error, it's harmless.
>
> Ok, so I'm now running X11 with Option "DRI" enabled.  Many things (moving
> windows around, scrolling in Firefox, ...) are a *lot* slower now than
> before, and glxgears has about the same speed as before.
>
> I suspect DRI broke 2D acceleration or something?

Try enabling EXA.

Thanks

Roy