Comment 0 for bug 1470261

I've asked this on general Ubuntu questions, so instead of a bug report I'll ask here

xfce4 panel not corralling maximized windows

panel is staying on top of a maximized windows, causing loss of some window area.
Unable to find any on top setting for panel setting.
Panel is Panel 0 and has been moved long ago from top of screen to bottom.
Moving panel back to top of screen covers title bar and controls of windows.

settings
[x] lock panel
[ ] show and hide
pixels 33
rows 1
length 100%
[x] increase length

kernel
3.13.0-57-generic
video driver: nvidia 304
base system Xubuntu 14.04-2 upgraded