xorg-server blocks on /dev/sysmouse

[Warren Block]

On Thu, 23 Feb 2012, Maxim Ignatenko wrote:

> Hello -x11@,
>
> I have xorg-server with staticaly configured input
> devices (USB mouse configured via sysmouse+moused).
> Sometimes picture and all GUI threads of running
> processes freezes until I move mouse. This issue appeared
> long time ago (I've noticed it more than year ago
> http://juick.com/gelraen/966367 (russian)), but I'm
> reporting it only now, sorry :(
>
> This patch seems to solve the problem:
> http://paste.org.ru/?rgm0m6
>
> This patch does the same, but for xorg-server 1.10.6:
> http://dpaste.com/707312/

Are you disabling AllowEmptyInput?
http://www.wonkity.com/~wblock/docs/html/aei.html