Problemas com o glest

[LNAS90]

Ae galera seguie todos os passos do http://www.ubuntugames.org/Glest mas na hora que vou rodar o jogo aparece isso:

lnas90@Lucas:~$ /usr/local/games/glest//glest
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  134 (XFree86-VidModeExtension)
  Minor opcode of failed request:  10 (XF86VidModeSwitchToMode)
  Value in failed request:  0xa2
  Serial number of failed request:  111
  Current serial number in output stream:  113
lnas90@Lucas:~$

alguem ae pode ajudar?