xserver-xfree86-dbg 4.3.0.dfsg.1-6ubuntu25 (i386 binary) in ubuntu warty

the XFree86 X server (static version with debugging symbols)
 This package is a variant of the xserver-xfree86 package which includes a
 monolithic XFree86 X server binary (as opposed to using loadable server
 modules on the architectures where they are supported) and which retains
 debugging symbols for execution tracing and core dump analysis.
 .
 Installation of the xserver-xfree86 package is recommended for documentation
 of the XFree86 X server, but is not mandatory. See the package description
 of xserver-xfree86 for further information.