/usr/local/games/PlaneShift$ ./psclient -mode=1024x768 -fs
DEBUG: Sound System Software Renderer Initializing...
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  135 (XFree86-VidModeExtension)
  Minor opcode of failed request:  10 (XF86VidModeSwitchToMode)
  Value in failed request:  0x4c00002
  Serial number of failed request:  188
  Current serial number in output stream:  192
Segmentation fault