i also tried applying those mentioned patches now.  but it fails when trying to get the source for xserver-xorg-input-evdev?!

# sudo apt-get source xserver-xorg-input-evdev
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to find a source package for xserver-xorg-input-evdev

i did all the prerequisites mentioned:

# sudo apt-get install build-essential git-core
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  g++ g++-4.3 libdigest-sha1-perl liberror-perl libstdc++6-4.3-dev
Suggested packages:
  g++-multilib g++-4.3-multilib gcc-4.3-doc libstdc++6-4.3-dbg git-doc
  git-arch git-cvs git-svn git-email git-daemon-run git-gui gitk gitweb
  libstdc++6-4.3-doc
The following NEW packages will be installed:
  build-essential g++ g++-4.3 git-core libdigest-sha1-perl liberror-perl
  libstdc++6-4.3-dev
0 upgraded, 7 newly installed, 0 to remove and 0 not upgraded.
Need to get 8701kB of archives.
After this operation, 26.2MB of additional disk space will be used.
Do you want to continue [Y/n]? 
Get:1 http://archive.ubuntu.com intrepid/main libstdc++6-4.3-dev 4.3.2-1ubuntu11 [1354kB]
Get:2 http://archive.ubuntu.com intrepid/main g++-4.3 4.3.2-1ubuntu11 [4128kB]
Get:3 http://archive.ubuntu.com intrepid/main g++ 4:4.3.1-1ubuntu2 [1444B]
Get:4 http://archive.ubuntu.com intrepid/main build-essential 11.4 [7172B]
Get:5 http://archive.ubuntu.com intrepid/main liberror-perl 0.17-1 [23.8kB]
Get:6 http://archive.ubuntu.com intrepid/main libdigest-sha1-perl 2.11-2build2 [25.4kB]
Get:7 http://archive.ubuntu.com intrepid/main git-core 1:1.5.6.3-1.1ubuntu2 [3162kB]
Fetched 8701kB in 7s (1163kB/s)                                                                                                          
Selecting previously deselected package libstdc++6-4.3-dev.
(Reading database ... 148295 files and directories currently installed.)
Unpacking libstdc++6-4.3-dev (from .../libstdc++6-4.3-dev_4.3.2-1ubuntu11_i386.deb) ...
Selecting previously deselected package g++-4.3.
Unpacking g++-4.3 (from .../g++-4.3_4.3.2-1ubuntu11_i386.deb) ...
Selecting previously deselected package g++.
Unpacking g++ (from .../g++_4%3a4.3.1-1ubuntu2_i386.deb) ...
Selecting previously deselected package build-essential.
Unpacking build-essential (from .../build-essential_11.4_i386.deb) ...
Selecting previously deselected package liberror-perl.
Unpacking liberror-perl (from .../liberror-perl_0.17-1_all.deb) ...
Selecting previously deselected package libdigest-sha1-perl.
Unpacking libdigest-sha1-perl (from .../libdigest-sha1-perl_2.11-2build2_i386.deb) ...
Selecting previously deselected package git-core.
Unpacking git-core (from .../git-core_1%3a1.5.6.3-1.1ubuntu2_i386.deb) ...
Processing triggers for man-db ...
Setting up liberror-perl (0.17-1) ...
Setting up libdigest-sha1-perl (2.11-2build2) ...
Setting up git-core (1:1.5.6.3-1.1ubuntu2) ...
Setting up g++-4.3 (4.3.2-1ubuntu11) ...
Setting up libstdc++6-4.3-dev (4.3.2-1ubuntu11) ...
Setting up g++ (4:4.3.1-1ubuntu2) ...

Setting up build-essential (11.4) ...
#

when searching for the xserver-xorg-input-evdev it finds the following:
# aptitude search evdev
i   xserver-xorg-input-evdev - X.Org X server -- evdev input driver                                   

but there is no source?  what should i do?  what information is needed to support this bugfix?