This driver is outdated on Ubuntu's Xorg.
X.Org X Server 1.11.3
Release Date: 2011-12-16
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.24-31-server i686 Ubuntu
Current Operating System: Linux michele-pc 3.2.0-24-generic-pae #39-Ubuntu SMP Mon May 21 18:54:21 UTC 2012 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic-pae root=UUID=61220719-0858-4912-a787-dddbd7d4547c ro quiet splash vt.handoff=7
Build Date: 07 May 2012 11:39:37PM
xorg-server 2:1.11.4-0ubuntu10.2 (For technical support please see http://www.ubuntu.com/support\)
Current version of pixman: 0.24.4
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
ii xorg-dev 1:7.6+12ubuntu1 X.Org X Window System development libraries
A compilation log is available here : http://paste.ubuntu.com/1034317/. Basically, it won't compile because IDevPtr was removed.
