VirtualBox-4.1.10: Mouse gets trapped in the FreeBSD-9.0 guest with additions installed

[Yuri]

I installed fresh FreeBSD-9.0 VBox i386 and amd64 guests.
Both of them fail to have mouse integration, mouse is trapped and window 
resize doesn't work.
Xorg.log gets such errors:

...
(II) VBoxVideo(0): VirtualBox guest additions video driver version 
4.1.10_OSE
(EE) VBoxVideo(0): Failed to initialize the VirtualBox device (rc=-102) 
- make sure that the VirtualBox guest additions are properly installed.  
If you are not sure, try reinstalling them.  The X Window graphics 
drivers will run in compatibility mode.
...
(II) VBoxVideo(0): Setting screen physical size to 270 x 203
(EE) VBoxVideo(0): Unable to determine whether the virtual machine 
supports mouse pointer integration - request initialization failed with 
return code -4
...
(II) PS/2 Mouse: ps2EnableDataReporting: succeeded
(EE) VBoxVideo(0): Unable to determine whether the virtual machine 
supports mouse pointer integration - request initialization failed with 
return code -4
...
(II) VBoxVideo(0): Printing DDC gathered Modelines:
(II) VBoxVideo(0): Modeline "1024x768"x0.0   47.83  1024 1026 1028 1030  
768 770 772 774 -hsync -vsync (46.4 kHz)
(EE) VBoxVideo(0): Unable to determine whether the virtual machine 
supports mouse pointer integration - request initialization failed with 
return code -4
(EE) VBoxVideo(0): Unable to determine whether the virtual machine 
supports mouse pointer integration - request initialization failed with 
return code -4
(EE) VBoxVideo(0): Unable to determine whether the virtual machine 
supports mouse pointer integration - request initialization failed with 
return code -4
...

And many more times the same message.

Basically FreeBSD additions 4.1.10 are broken.

Yuri