diovani@paulo-diovani:~$ compiz --replace
X Error of failed request:  BadAlloc (insufficient resources for 
operation)
  Major opcode of failed request:  129 (GLX)
  Minor opcode of failed request:  3 (X_GLXCreateContext)
  Serial number of failed request:  16
  Current serial number in output stream:  17
/usr/bin/compiz.real: Another window manager is already running on 
screen: 0
/usr/bin/compiz.real: No manageable screens found on display :20.0
diovani@paulo-diovani:~$ Aviso do gerenciador de janelas: Falha ao ler o 
tema a partir do arquivo 
/usr/share/themes/Clearlooks/metacity-1/metacity-theme-1.xml: Failed to 
open file 
'/usr/share/themes/Clearlooks/metacity-1/metacity-theme-1.xml': Arquivo 
ou diretório não encontrado
Aviso do gerenciador de janelas: Falha ao carregar o tema "Clearlooks": 
Failed to open file 
'/usr/share/themes/Clearlooks/metacity-1/metacity-theme-1.xml': Arquivo 
ou diretório não encontrado