ali@Juventus:~$ snowballz 
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  136 (XFree86-VidModeExtension)
  Minor opcode of failed request:  10 (XF86VidModeSwitchToMode)
  Value in failed request:  0x8a
  Serial number of failed request:  127
  Current serial number in output stream:  129