[root@test gtk-demo]# ./gtk-demo
Error: Cairo does not yet support the requested image format:
Alpha mask: 0x00000000
Red mask: 0x000000ff
Blue mask: 0x0000ff00
Green mask: 0x00ff0000
Please file an enhacement request (quoting the above) at:
lt-gtk-demo: cairo-image-surface.c:144: _cairo_format_from_pixman_format:
Assertion `NOT_REACHED' failed.
Should be fixed in cairo 1.2.2 and 1.2.4.
*** This bug has been marked as a duplicate of 7294 ***