Display corruption with XFree86 Radeon driver on 8500

Scrollbar and button with the XFree86 Radeon driver:
Bad scrollbar display Bad button display

Scrollbar and button with the ATI FireGL driver:
Good scrollbar display Good button display

Scrollbar with XFree86 CVS (7/3/2002) + patch from http://www.xfree86.org/pipermail/xpert/2002-July/018844.html:
Scrollbar display with patch

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