. Thread 3 (Thread 1971): #0 0xb7712424 in __kernel_vsyscall () No symbol table info available. #1 0xb6f23e36 in poll () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #2 0xb71d384b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0xb71c31af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0xb71c392b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0xb378ee8a in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #6 0xb71ec2df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0xb70fae99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #8 0xb6f325fe in clone () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. . Thread 2 (Thread 1905): #0 0xb7712424 in __kernel_vsyscall () No symbol table info available. #1 0xb6f23e36 in poll () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #2 0xb71d384b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0xb71c31af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0xb71c392b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0xb73d1434 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0 No symbol table info available. #6 0xb71ec2df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0xb70fae99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #8 0xb6f325fe in clone () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. . Thread 1 (Thread 1901): #0 0xb4971c67 in nux::BaseWindow::IsModal() const () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #1 0xb4a3fae4 in nux::WindowCompositor::RenderTopViews(bool, std::list, std::allocator > >&, bool, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #2 0xb4a40461 in nux::WindowCompositor::Draw(bool, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #3 0xb4a4766c in nux::WindowThread::RenderInterfaceFromForeignCmd(nux::Rect*) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #4 0xb4ba5689 in UnityScreen::paintDisplay(CompRegion const&) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #5 0xb4ba79c5 in UnityWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #6 0xb63677e8 in GLWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #7 0xb63676e2 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #8 0xb4f40c92 in WallWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #9 0xb63675db in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #10 0xb4f26f08 in FadeWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libfade.so No symbol table info available. #11 0xb63675db in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #12 0xb63680f8 in PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #13 0xb6368691 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #14 0xb4f40340 in WallScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #15 0xb63684e2 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #16 0xb4ba571f in UnityScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #17 0xb63684e2 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #18 0xb635a3bc in PrivateGLScreen::paintOutputs(std::list >&, unsigned int, CompRegion const&) () from /usr/lib/compiz/libopengl.so No symbol table info available. #19 0xb638cd0b in CompositeScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libcomposite.so No symbol table info available. #20 0xb4f411fb in WallScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #21 0xb638ccc5 in CompositeScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libcomposite.so No symbol table info available. #22 0xb638ed73 in CompositeScreen::handlePaintTimeout() () from /usr/lib/compiz/libcomposite.so No symbol table info available. #23 0xb638f69d in boost::detail::function::function_obj_invoker0, boost::_bi::list1 > >, bool>::invoke(boost::detail::function::function_buffer&) () from /usr/lib/compiz/libcomposite.so No symbol table info available. #24 0x08065936 in CompTimeoutSource::callback() () No symbol table info available. #25 0x08065371 in CompTimeoutSource::dispatch(sigc::slot_base*) () No symbol table info available. #26 0xb72f0959 in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/libglibmm-2.4.so.1 No symbol table info available. #27 0xb71c2aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #28 0xb71c3270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #29 0xb71c392b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #30 0xb72f1e95 in Glib::MainLoop::run() () from /usr/lib/libglibmm-2.4.so.1 No symbol table info available. #31 0x0806ebab in CompScreen::eventLoop() () No symbol table info available. #32 0x08066e58 in main () No symbol table info available.