This is how ubuntu fixed this case: http://git.debian.org/?p=pkg-xorg/xserver/xorg-server.git;a=blob;f=debian/patches/204_fix-neg-sync-transition.patch;h=f10fb3237fb9984711832d4fd0ce2ef2a8b1f862;hb=3a2e34b19a0553b5e425eb49e4fed4a2a34ca728
This is how ubuntu fixed this case: http:// git.debian. org/?p= pkg-xorg/ xserver/ xorg-server. git;a=blob; f=debian/ patches/ 204_fix- neg-sync- transition. patch;h= f10fb3237fb9984 711832d4fd0ce2e f2a8b1f862; hb=3a2e34b19a05 53b5e425eb49e4f ed4a2a34ca728