xf86-video-sisusb is no longer available
xf86-video-sisusb has been removed from the [extra] repository.
However, this package or replacements are available elsewhere:
- xorg-video-sisusb 0.9.7-4 [extra] (i686)
- xorg-video-sisusb-debug 0.9.7-4 [extra] (i686)