#0  _XSend (dpy=0x804d008, data=0xb7efed10 "GLX", size=3) at ../../src/xcb_io.c:224
	c = <value optimized out>
	__PRETTY_FUNCTION__ = "_XSend"
#1  0xb7c9004b in XQueryExtension (dpy=0x804d008, name=0xb7efed10 "GLX", major_opcode=0xbfc39090, 
    first_event=0xbfc39094, first_error=0xbfc39098) at ../../src/QuExt.c:50
	rep = {type = 211 'Ó', pad1 = 174 '®', sequenceNumber = 2052, length = 134524627, present = 0 '\0', 
  major_opcode = 0 '\0', first_event = 0 '\0', first_error = 0 '\0', pad3 = 0, pad4 = 0, pad5 = 0, pad6 = 0, 
  pad7 = 0}
#2  0xb7c84d4b in XInitExtension (dpy=0x804d008, name=0xb7efed10 "GLX") at ../../src/InitExt.c:49
	codes = {extension = -1077702488, major_opcode = -1210352467, first_event = -1209441952, 
  first_error = 16}
#3  0xb7c48443 in XextAddDisplay (extinfo=0x8053cc0, dpy=0x804d008, ext_name=0xb7efed10 "GLX", 
    hooks=0xb7f0d780, nevents=17, data=0x0) at ../../src/extutil.c:108
	dpyinfo = (XExtDisplayInfo *) 0x8053be0
#4  0xb7ec2974 in ?? () from /usr/lib/libGL.so.1
#5  0x08053cc0 in ?? ()
#6  0x0804d008 in ?? ()
#7  0xb7efed10 in ?? ()
#8  0xb7f0d780 in ?? ()
#9  0x00000011 in ?? ()
#10 0x00000000 in ?? ()