Strange image effect & modesetting support for HD4250?

Alex Deucher alexdeucher at
Sun Jul 10 10:35:20 PDT 2011

On Sat, Jul 9, 2011 at 7:24 PM, Grant <emailgrant at> wrote:
> When I was using an Nvidia video card, I noticed a strange sort of
> fuzzy edge effect if I used nvidia-drivers.  xf86-video-nouveau didn't
> have the same problem.  Now I've switched to an ATI video card and
> unfortunately I have the same problem with xf86-video-ati.  Does
> anyone know how to fix this?
> I tried to enable the new modesetting radeon driver in the kernel to
> see if that would help but it doesn't work with my HD4250 card yet.
> Would the new modesetting driver help, and if so, when might it be
> compatible with the HD4250?
> Here's a photo of the effect around the mouse cursor:

Please file a bug ( and attach your xorg
log and config and dmesg output.


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