initbackground failed

[L_d_v_c@]

ludovic@ubuntu:~$ torcs
Visual Properties Report
------------------------
Compatibility mode, properties unknown.
nvfx_screen_get_param:95 - Warning: unknown PIPE_CAP 30
nvfx_screen_get_param:95 - Warning: unknown PIPE_CAP 30
nvfx_screen_get_param:95 - Warning: unknown PIPE_CAP 55
nvfx_screen_get_param:95 - Warning: unknown PIPE_CAP 56
nvfx_screen_get_param:95 - Warning: unknown PIPE_CAP 59
nvfx_screen_get_param:95 - Warning: unknown PIPE_CAP 58
nvfx_screen_get_param:95 - Warning: unknown PIPE_CAP 30
WARNING: grscene:initBackground Failed to open shadow2.rgb for reading
WARNING: no shadow mapping on cars for this track
OpenAL backend info:
  Vendor: OpenAL Community
  Renderer: OpenAL Soft
  Version: 1.1 ALSOFT 1.13
  Available sources: 256
  Available buffers: 1024 or more
  Dynamic Sources: requested: 235, created: 235
  #static sources: 21
  #dyn sources : 235

ludovic@ubuntu:~$ lsb_release -rd
Description: Ubuntu 12.04.1 LTS
Release: 12.04

ludovic@ubuntu:~$ apt-cache policy torcs
torcs:
  Installé : 1.3.1-6.2
  Candidat : 1.3.1-6.2
 Table de version :
 *** 1.3.1-6.2 0
        500 http://fr.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages
        100 /var/lib/dpkg/status

I expected to happen normal game but background polygon fails...

Ludovic

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: torcs 1.3.1-6.2
ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28
Uname: Linux 3.2.0-31-generic x86_64
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
Date: Wed Sep 26 21:07:00 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
ProcEnviron:
 LANGUAGE=fr_FR:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: torcs
UpgradeStatus: No upgrade log present (probably fresh install)