mouse gets stuck on second screen

[Dan Nicholson]

On Sat, Jun 5, 2010 at 2:11 PM, David Bridgham <dab at froghouse.org> wrote:
> I run a Debian system with two Radeon HD 2600 Pro video cards, each
> with two monitors.  Until a few months ago this was working fine.
> Then an update came in and Xorg started segfaulting on startup.  I
> found that if I arranged the two monitors on a given card horizontally
> instead of vertically, it stopped segfaulting but now had a new
> problem.  If I move the mouse cursor to the screen defined by the
> second video card, it can never come back to the first.  It gets stuck
> over there.
>
> It seems this must be something simple in my config file but I can not
> figure it out.  Any suggestions?  Thanks.
>
>  -Dave
>
> Section "ServerLayout"
>        Identifier     "X.org Configured"
> #       Screen      0  "Screen0" 0 0
> #       Screen      1  "Screen1" Above "Screen0"
>        Screen      0  "Screen0"
>        Screen      1  "Screen1" Below "Screen0"
>        InputDevice    "Mouse0" "CorePointer"
>        InputDevice    "Keyboard0" "CoreKeyboard"
> EndSection

So, this is zaphod mode with the radeonhd driver. Maybe you can try
using the radeon driver? I know there have been some fixes recently to
zaphod mode, although I don't know if that will fix the input issues.

--
Dan