This has been bugging me for a few weeks and I haven't figured out what happened or how to fix it. It used to work until recently and it still works at my employer (on redhat) but not my current ubuntu at home.
With Style "*" SnapAttraction 12 SameType Screen I believe windows should stick to the line between my two monitors. I can't imagine why you wouldn't want this unless you somehow have borderless monitors. I've tried turning on Xinerama options in xorg and fvwm. Maybe I missed the right combination. I'm using Ubuntu 64-bit Desktop X.Org X Server 1.5.2 Quadro FX 1300 NVIDIA X Driver 173.14.12 1600x1200 CRT and 1920x1200 LCD TwinView mode I tried Xinerama On XineramaSls On XineramaSlsScreens 2 1600x1200+0+0 1920x1200+1600+0 Section "ServerFlags" Option "Xinerama" "1" EndSection -- Jason Weber