On Jul 08 10:19:18, [email protected] wrote:
> On Mon, Jul 08, 2013 at 07:59:10AM +0200, Jan Stary wrote:
> > On Jul 06 11:06:54, [email protected] wrote:
> > > > vga1 at pci1 dev 0 function 0 "ATI Radeon Mobility M6" rev 0x00
> >
> > > > Xorg.0.log:
> > > > [ 128.407] (II) Loading /usr/X11R6/lib/modules/drivers/radeon_drv.so
> > > > [ 128.453] (II) Loading /usr/X11R6/lib/modules/drivers/vesa_drv.so
> > > [ 223.223] (==) RADEON(0): Using EXA acceleration architecture
> > > [ 223.228] (II) Unloading vesa
> > > [ 225.094] (II) EXA(0): Driver registered support for the following
> > > operations:
> > > [ 225.094] (II) Solid
> > > [ 225.094] (II) Copy
> > > [ 225.094] (II) Composite (RENDER acceleration)
> > > [ 225.094] (II) UploadToScreen
> > > [ 225.095] (II) RADEON(0): Acceleration enabled
> >
> > In my case, it was due to XAA accelleration being dropped
> > from the intel driver. You have Radeon, which uses the EXA
> > accelleration - I am not sure about the status of EXA.
> > The slowness disappeared when I switched to using vesa,
> > try it.
> >
> > > AcePerl-1.92p0-opt
> > > BitTorrent-4.4.0p11
> > > ...
> >
> > I don't think your packages have anythong to do with it.
> >
>
> Hmm. I did this to xorg.conf that Xorg -configure produced:
>
> Option "RenderAccel" "Off"
> Option "NoAccel" "Off"
>
> This fixed the strange lines but did not fix the slowness at all.
> What do I need to add to force vesa?
Basically,
Driver "vesa"
where you have
Driver "radeon"
but read xorg.conf(5) first.
