As is usual with mysterious "permission denied" errors, SELinux was the underlying cause. ...
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ID Status▲ Resolution Sev Product Comp Assignee▲ Reporter Summary
12335 CLOS DUPL nor Sisyphus fglrx_gl oddity ktirf Either move or symlink fglrx_dri.so to the place where other *_dri.so libraries lay

File a new bug in the "fglrx_glx" component of the "Sisyphus" product