Bug#420628: Recompilation of the ati module solves the problem too.

[Yannick Roehlly <yannick.roehlly@free.fr>]

Package: xserver-xorg-core
Version: 2:1.3.0.0.dfsg-2

--- Please enter the report below this line. ---

Hi,

Recompiling xserver-xorg-video-ati against the new xserver-xorg-core makes 
MergedFB work again.

Sincerely,

Yannick

--- System information. ---
Architecture: powerpc
Kernel:       Linux 2.6.20

Debian Release: lenny/sid
  500 unstable        ftp.de.debian.org 
  300 experimental    ftp.de.debian.org 

--- Package information. ---
Depends                (Version) | Installed
================================-+-================
x11-common          (>= 1:7.0.0) | 1:7.1.0-18
libc6                   (>= 2.5) | 2.5-4
libdrm2               (>= 2.3.0) | 2.3.0-4
libfontenc1                      | 1:1.0.4-2
libgcc1          (>= 1:4.1.1-12) | 1:4.1.1-21
libxau6                          | 1:1.0.3-2
libxdmcp6                        | 1:1.0.2-2
libxfont1                        | 1:1.2.8-1
xserver-xorg                     | 1:7.1.0-18