icy

1/ Switch to root account and make sure that I am using sytem Ruby

  $ rvm info
    1.8:
      system:
        uname:       "Linux icy 2.6.39-ARCH #1 SMP PREEMPT Mon Jun 27 22:01:13 CEST 2011 i686 Genuine Intel(R) CPU U2700 @ 1.30GHz GenuineIntel GNU/Linux"
        bash:        "/bin/bash => GNU bash, version 4.2.10(2)-release (i686-pc-linux-gnu)"
        zsh:         "/bin/zsh => zsh 4.3.12 (i686-pc-linux-gnu)"
      rvm:
        version:      "rvm 1.5.2 by Wayne E. Seguin ([email protected]) [http://rvm.beginrescueend.com/]"