#0  __strstr_ia32 (haystack_start=0x0, needle_start=0xb60e032f "GLX_SGIX_fbconfig") at ../string/strstr.c:63
  [Error: ../string/strstr.c was not found in source tree]
#1  0xb60ca58d in strstr (__needle=0xb60e032f "GLX_SGIX_fbconfig", __haystack=0x0) at /usr/include/string.h:337
  [Error: /usr/include/string.h was not found in source tree]
#2  GLScreen::GLScreen (this=0x95d3820, s=0x956b458) at /build/buildd/compiz-0.9.8+bzr3249/plugins/opengl/src/screen.cpp:380
  [Error: /build/buildd/compiz-0.9.8+bzr3249/plugins/opengl/src/screen.cpp was not found in source tree]
#3  0xb60c0fb6 in getInstance (base=<optimized out>) at /build/buildd/compiz-0.9.8+bzr3249/plugins/../src/pluginclasshandler/include/core/pluginclasshandler.h:225
  [Error: /build/buildd/compiz-0.9.8+bzr3249/plugins/../src/pluginclasshandler/include/core/pluginclasshandler.h was not found in source tree]
#4  PluginClassHandler<GLScreen, CompScreen, 4>::get (base=0x956b458) at /build/buildd/compiz-0.9.8+bzr3249/plugins/../src/pluginclasshandler/include/core/pluginclasshandler.h:269
  [Error: /build/buildd/compiz-0.9.8+bzr3249/plugins/../src/pluginclasshandler/include/core/pluginclasshandler.h was not found in source tree]
#5  0xb60c1fbb in CompPlugin::VTableForScreenAndWindow<GLScreen, GLWindow>::initScreen (this=0x95d3640, s=0x956b458) at /build/buildd/compiz-0.9.8+bzr3249/plugins/../include/core/plugin.h:229
  [Error: /build/buildd/compiz-0.9.8+bzr3249/plugins/../include/core/plugin.h was not found in source tree]
#6  0xb76d71ea in CompManager::initPlugin (p=p@entry=0x95e1b00) at /build/buildd/compiz-0.9.8+bzr3249/src/plugin.cpp:233
  [Error: /build/buildd/compiz-0.9.8+bzr3249/src/plugin.cpp was not found in source tree]
#7  0xb76d7b70 in CompPlugin::push (p=0x95e1b00) at /build/buildd/compiz-0.9.8+bzr3249/src/plugin.cpp:449
  [Error: /build/buildd/compiz-0.9.8+bzr3249/src/plugin.cpp was not found in source tree]
#8  0xb76aadb0 in compiz::private_screen::PluginManager::updatePlugins (this=0x956d9fc, screen=0x956b458, extraPluginsRequested=...) at /build/buildd/compiz-0.9.8+bzr3249/src/screen.cpp:1115
  [Error: /build/buildd/compiz-0.9.8+bzr3249/src/screen.cpp was not found in source tree]
#9  0xb76ac246 in PrivateScreen::processEvents (this=this@entry=0x956d6a8) at /build/buildd/compiz-0.9.8+bzr3249/src/screen.cpp:802
  [Error: /build/buildd/compiz-0.9.8+bzr3249/src/screen.cpp was not found in source tree]
#10 0xb76ac3d0 in CompScreenImpl::processEvents (this=0x956b458) at /build/buildd/compiz-0.9.8+bzr3249/src/screen.cpp:114
  [Error: /build/buildd/compiz-0.9.8+bzr3249/src/screen.cpp was not found in source tree]
#11 0xb76dee12 in CompEventSource::callback (this=0x95cf848) at /build/buildd/compiz-0.9.8+bzr3249/src/eventsource.cpp:64
  [Error: /build/buildd/compiz-0.9.8+bzr3249/src/eventsource.cpp was not found in source tree]
#12 0xb76df181 in operator() (this=0x95b03d4) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
  [Error: /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h was not found in source tree]
#13 operator() (this=0x95b03d0) at /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:251
  [Error: /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h was not found in source tree]
#14 sigc::internal::slot_call0<sigc::bound_mem_functor0<bool, CompEventSource>, bool>::call_it (rep=0x95b03b8) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:103
  [Error: /usr/include/sigc++-2.0/sigc++/functors/slot.h was not found in source tree]
#15 0xb76dee42 in operator() (this=0x956ea70) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:440
  [Error: /usr/include/sigc++-2.0/sigc++/functors/slot.h was not found in source tree]
#16 CompEventSource::dispatch (this=0x95cf848, slot=0x956ea70) at /build/buildd/compiz-0.9.8+bzr3249/src/eventsource.cpp:87
  [Error: /build/buildd/compiz-0.9.8+bzr3249/src/eventsource.cpp was not found in source tree]
#17 0xb7207e21 in Glib::Source::dispatch_vfunc (callback=0xb7207f00 <(anonymous namespace)::glibmm_dummy_source_callback(void*)>, user_data=0x956e9e8) at main.cc:956
  [Error: main.cc was not found in source tree]
#18 0xb710af73 in g_main_dispatch (context=0x956fa00) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:2707
  [Error: /build/buildd/glib2.0-2.33.8/./glib/gmain.c was not found in source tree]
#19 g_main_context_dispatch (context=context@entry=0x956fa00) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3211
  [Error: /build/buildd/glib2.0-2.33.8/./glib/gmain.c was not found in source tree]
#20 0xb710b310 in g_main_context_iterate (context=context@entry=0x956fa00, block=block@entry=0, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3282
  [Error: /build/buildd/glib2.0-2.33.8/./glib/gmain.c was not found in source tree]
#21 0xb710b3f1 in g_main_context_iteration (context=0x956fa00, may_block=0) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3343
  [Error: /build/buildd/glib2.0-2.33.8/./glib/gmain.c was not found in source tree]
#22 0xb77315dc in ?? ()
#23 0x00000000 in ?? ()