KDE strangeness

[cdhgold]

I'm running FC6 w/ KDE all current updates .. i'm running tri-head display w/o xinerma using 4-5 desktops per display .. sometimes i lose the taskbar on all but desktop1 of the 2 secondary displays .. i reboot and the taskbar comes back on all desktops and all screens.. any ideas? also using nvidia video with current nvidia drivers

cdhgold