When running compiz anything that should be transparent is solid white. I'll see if I can get a screen shot later. Everything renders correctly when EXA is used.
Intel DG45FC (G45 chipset)
drm-intel kernel 2.6.28
xorg-server-18.104.22.1682 (1.6 RC2)
mesa-9999 (as of 2/24/09)
libdrm-9999 (as of 2/24/09)
Attaching Xorg log.
Created attachment 23302 [details]
*** This bug has been marked as a duplicate of bug 19970 ***
should actually be dupe of #19543, not #19970.