Re: [gentoo-user] Problem with xf86-video-ati & nvidia-drivers

[Grant <emailgrant@gmail.com>]

>> 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.  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.  Does anyone
>> know how to fix this?  Here's a photo of the effect around the mouse
>> cursor:
>>
>> http://imageshack.us/photo/my-images/804/cursor.jpg
>>
>> - Grant
>>
>
> Hi Grant,
>
> just a shot in the dark:
> The image looks to me as thos would be an analog instead of
> an digital problem.
> May be both propietary drivers switch to the highest possible
> data transfer rate and this triggers the problem.
> To check, whether this may be the problem:
> Instruct the driver to use either low resolution or low refresh
> rates. Check both.
> If the problem changes signifiently: Change the cables.
> May be only a pluf is not inserted correctly.
> Addtionally you can move the cables arround to see whether
> this will change the shadows around the cursor in any way...
>
> Good luck! :)
> Best regards
> mcc

Thanks for that.  I'm still working on it but adding radeon.audio=0 to
grub cleaned it up about 75%.

- Grant