[Bug 23387] [R300] Screen artifacts on X [KMS]

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Aug 18 02:05:10 PDT 2011


--- Comment #27 from Michel Dänzer <michel at daenzer.net> 2011-08-18 02:05:09 PDT ---
(In reply to comment #26)
> I appear to be having the same or a similar problem.

If there's any doubt (as there is in your case), it's better to file a separate
report, to avoid cluttering up existing reports with unrelated problems.

> As you'll see, I've tried a number of the options suggested here and elsewhere.
>  I've had varying degrees of success.  Before I started playing with it, I was
> getting a minimal amount of artifacts (see the first screenshot),

That actually looks more like a Unity / X server issue (not rendering the
desktop background properly) than a driver one.

> With KMS disabled, there's no acceleration of any kind (I read somewhere that
> this is by design), [...]

There should be at least 2D acceleration, but the r300g 3D driver indeed
requires KMS.

I wonder if there's any point in keeping this report open, as it seems to
basically boil down to "AGP is broken, and there's little we can do about

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