Created attachment 625259 [details] Screenshot Attached screenshot shows the artifacts that happened with GNOME 3.6.0 and nouveau + Mesa 9.0. It could be related to pango or cairo given that they only affect text.
Forgot to mention, this is happening on an NVC3 card (GT 555M / Dell XPS 17 laptop).
Same here on F18 on: 0f:00.0 VGA compatible controller: NVIDIA Corporation GF106GL [Quadro 2000] (rev a1) Mesa-9.0-0.3 kernel-3.6.1-1.fc18.x86_64
Created attachment 627632 [details] Screenshot 2 Taken right now (all F18 packages up to date, including test updates)
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