. Thread 4 (Thread 1620): #0 0x00007fe8fe4fee33 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fe8ff84b104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fe8ff84b9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fe8e95a069b in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007fe8ff8723e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fe8ff176d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007fe8fe50bf7d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 1651): #0 0x00007fe8fe4fee33 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fe8e56b932f in ?? () from /usr/lib/libpulse.so.0 No symbol table info available. #2 0x00007fe8e56ab116 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 No symbol table info available. #3 0x00007fe8e56ab749 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 No symbol table info available. #4 0x00007fe8e56ab800 in pa_mainloop_run () from /usr/lib/libpulse.so.0 No symbol table info available. #5 0x00007fe8e56b92df in ?? () from /usr/lib/libpulse.so.0 No symbol table info available. #6 0x00007fe8e5271a88 in ?? () from /usr/lib/libpulsecommon-0.9.22.so No symbol table info available. #7 0x00007fe8ff176d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #8 0x00007fe8fe50bf7d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #9 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 1556): #0 0x00007fe8fe4fee33 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fe8ff84b104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fe8ff84b9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fe900874d44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007fe8ff8723e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fe8ff176d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007fe8fe50bf7d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 1552): #0 0x00000000038c5410 in ?? () No symbol table info available. #1 0x00007fe8ef9e624a in SimpleLauncherIcon::OnIconThemeChanged(_GtkIconTheme*, void*) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #2 0x00007fe90011781c in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #3 0x00007fe900129019 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #4 0x00007fe900132258 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #5 0x00007fe90013241f in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #6 0x00007fe8ee009322 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #7 0x00007fe8ee0094a3 in ?? () from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #8 0x00007fe8efa51087 in LauncherIcon::TextureFromGtkTheme(char const*, int, bool) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #9 0x00007fe8ef9e5b26 in SimpleLauncherIcon::GetTextureForSize(int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #10 0x00007fe8efa3c2dd in Launcher::DrawRenderArg(nux::GraphicsEngine&, Launcher::RenderArg const&, nux::Rect) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #11 0x00007fe8efa4379b in Launcher::DrawContent(nux::GraphicsEngine&, bool) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #12 0x00007fe8ef673a08 in nux::View::ProcessDraw(nux::GraphicsEngine&, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #13 0x00007fe8ef6794f7 in nux::Layout::ProcessDraw(nux::GraphicsEngine&, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #14 0x00007fe8ef63e35e in nux::BaseWindow::DrawContent(nux::GraphicsEngine&, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #15 0x00007fe8ef673a08 in nux::View::ProcessDraw(nux::GraphicsEngine&, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #16 0x00007fe8ef6f1811 in nux::WindowCompositor::RenderTopViewContent(nux::BaseWindow*, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #17 0x00007fe8ef6fc1cd in nux::WindowCompositor::RenderTopViews(bool, std::list, std::allocator > >&, bool, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #18 0x00007fe8ef6fcaf5 in nux::WindowCompositor::Draw(bool, bool) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #19 0x00007fe8ef7001fc in nux::WindowThread::RenderInterfaceFromForeignCmd(nux::Rect*) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #20 0x00007fe8efa1dff1 in UnityScreen::paintDisplay(CompRegion const&) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #21 0x00007fe8efa1fe6f in UnityWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #22 0x00007fe8fa4ebf10 in GLWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #23 0x00007fe8fa4ebdc5 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #24 0x00007fe8f1e10408 in WallWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #25 0x00007fe8fa4ebd60 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #26 0x00007fe8f02fed05 in FadeWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libfade.so No symbol table info available. #27 0x00007fe8fa4ebd60 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #28 0x00007fe8fa4ec655 in PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #29 0x00007fe8fa4ecb07 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #30 0x00007fe8f1e0fbe2 in WallScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #31 0x00007fe8fa4eca3d in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #32 0x00007fe8efa1e05e in UnityScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #33 0x00007fe8fa4eca3d in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #34 0x00007fe8fa4e473d in PrivateGLScreen::paintOutputs(std::list >&, unsigned int, CompRegion const&) () from /usr/lib/compiz/libopengl.so No symbol table info available. #35 0x00007fe8fa7159b9 in CompositeScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libcomposite.so No symbol table info available. #36 0x00007fe8fa717810 in CompositeScreen::handlePaintTimeout() () from /usr/lib/compiz/libcomposite.so No symbol table info available. #37 0x0000000000421c0f in CompTimeoutSource::callback() () No symbol table info available. #38 0x000000000042167d in CompTimeoutSource::dispatch(sigc::slot_base*) () No symbol table info available. #39 0x00007fe90039a9df in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/libglibmm-2.4.so.1 No symbol table info available. #40 0x00007fe8ff84abcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #41 0x00007fe8ff84b3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #42 0x00007fe8ff84b9f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #43 0x000000000042a22a in CompScreen::eventLoop() () No symbol table info available. #44 0x0000000000423180 in main () No symbol table info available.