zaphod mode pointer problems in 1.5

[Bill Crawford]

On Wednesday 10 December 2008 06:59:13 Matthieu Herrb wrote:
> Hi,
>
> in Xserver 1.5.3, when running the ati (radeon) driver in "zaphod" mode
> (ie one X screen per monitor: :0.0, :0.1) the mouse is stuck on the 1st
> screen. This is with the "mouse" driver on OpenBSD (ie no evdev/hal
> involved).
>
> It used to work in 1.4.x.
>
> Any idea of what kind of change can have broken that?

I've seen this happen when for some reason the second screen wasn't actually 
adjacent to the first, or when I'd resized the first screen using xrandr and 
then resized it back to its original size. That's something to check for too 
(does the server actually think the edges connect).