found the following extensions:
  SHAPE (major: 128)
  MIT-SUNDRY-NONSTANDARD (major: 129)
  BIG-REQUESTS (major: 130)
  SYNC (major: 131)
  MIT-SCREEN-SAVER (major: 132)
  XC-MISC (major: 133)
  XFree86-VidModeExtension (major: 134)
  XFree86-Misc (major: 135)
  XFree86-DGA (major: 136)
  DPMS (major: 137)
  TOG-CUP (major: 138)
  Extended-Visual-Information (major: 139)
  XVideo (major: 140)
  X-Resource (major: 141)
  DOUBLE-BUFFER (major: 142)
  GLX (major: 143)
  SGI-GLX (major: 143)
  XFree86-DRI (major: 144)
  RECORD (major: 145)
  ATIFGLRXDRI (major: 146)
  ATIFGLEXTENSION (major: 147)
  ATITVOUT (major: 148)
  MIT-SHM (major: 149)
  XInputExtension (major: 150)
  XTEST (major: 151)
  XKEYBOARD (major: 152)
  XC-APPGROUP (major: 153)
  XAccessControlExtension (major: 154)
  SECURITY (major: 155)
  XFIXES (major: 156)
  XFree86-Bigfont (major: 157)
  RENDER (major: 158)
  RANDR (major: 159)
  XINERAMA (major: 160)
  DAMAGE (major: 161)