evince fails to render the barcodes within the USPS shipping label (United States Postal Service). This happens in both i386 and x86_64 FC4 and FC5. cairo-1.0.2-2 poppler-0.4.2-1 evince-0.4.0-2 See Bug #172137 to download the sample PDF.
Created attachment 120585 [details] sample.pdf
Fixed in 0.5.4-1.fc6.