were just wiped out from the code, these chipsets are just not supported, this is not a bug, we are talking about a broken driver. It will take some work to get things back to normal, merging the drivers. Will have a more detailed look further on up the road...
Was looking at xserver- xorg-video- sis-0.10. 2
{ PCI_CHIP_SIS670, "[M]670/[M]770[GX]" },
{ PCI_CHIP_SIS671, "[M]671/[M]771[GX]" },
were just wiped out from the code, these chipsets are just not supported, this is not a bug, we are talking about a broken driver. It will take some work to get things back to normal, merging the drivers. Will have a more detailed look further on up the road...