#0  0x4ecb3973 in XQueryExtension (dpy=dpy@entry=0xb33a4048, name=name@entry=0x426e5308 "GLX", major_opcode=major_opcode@entry=0xbff88c20, first_event=first_event@entry=0xbff88c24, first_error=first_error@entry=0xbff88c28) at ../../src/QuExt.c:43
  [Error: ../../src/QuExt.c was not found in source tree]
#1  0x4eca7a1a in XInitExtension (dpy=dpy@entry=0xb33a4048, name=name@entry=0x426e5308 "GLX") at ../../src/InitExt.c:47
  [Error: ../../src/InitExt.c was not found in source tree]
#2  0x4ede7b14 in XextAddDisplay (extinfo=0xb33a4df8, dpy=0xb33a4048, ext_name=0x426e5308 "GLX", hooks=0x427019b4, nevents=17, data=0x0) at ../../src/extutil.c:110
  [Error: ../../src/extutil.c was not found in source tree]
#3  0x4268c2e6 in ?? ()