. Thread 7 (Thread 0xa5323b40 (LWP 790)): #0 0xb775e424 in __kernel_vsyscall () No symbol table info available. #1 0xb73cf5a2 in __lll_lock_wait () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #2 0xb73caecb in _L_lock_891 () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #3 0xb73cae60 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #4 0xb74d55f4 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #5 0xb7167410 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0xb49a656e in ?? () from /usr/lib/i386-linux-gnu/libgdk_pixbuf-2.0.so.0 No symbol table info available. #7 0xb49a8f60 in ?? () from /usr/lib/i386-linux-gnu/libgdk_pixbuf-2.0.so.0 No symbol table info available. #8 0xb49a9ec8 in gdk_pixbuf_loader_write () from /usr/lib/i386-linux-gnu/libgdk_pixbuf-2.0.so.0 No symbol table info available. #9 0xb49a58de in ?? () from /usr/lib/i386-linux-gnu/libgdk_pixbuf-2.0.so.0 No symbol table info available. #10 0xb49a73f7 in gdk_pixbuf_new_from_stream_at_scale () from /usr/lib/i386-linux-gnu/libgdk_pixbuf-2.0.so.0 No symbol table info available. #11 0xb3f5bce9 in ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0 No symbol table info available. #12 0xb3f5ef31 in gtk_icon_info_load_icon () from /usr/lib/i386-linux-gnu/libgtk-3.so.0 No symbol table info available. #13 0xb46c7968 in unity::IconLoader::Impl::IconLoaderTask::LoaderJobFunc(_GIOSchedulerJob*, _GCancellable*, void*) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #14 0xb61d12dc in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0 No symbol table info available. #15 0xb714c508 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #16 0xb714bb33 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #17 0xb73c8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #18 0xb74c7ace in clone () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. . Thread 6 (Thread 0xb0effb40 (LWP 789)): #0 0xb775e424 in __kernel_vsyscall () No symbol table info available. #1 0xb74d5771 in ?? () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #2 0xb7456a0a in ?? () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. Backtrace stopped: previous frame identical to this frame (corrupt stack?) . Thread 5 (Thread 0xa8b7cb40 (LWP 709)): #0 0xb775e424 in __kernel_vsyscall () No symbol table info available. #1 0xb73ccd13 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #2 0xb74d5434 in pthread_cond_timedwait () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #3 0xb7167920 in g_cond_wait_until () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0xb70fa379 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0xb714c3ef in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0xb714bb33 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0xb73c8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #8 0xb74c7ace in clone () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. . Thread 4 (Thread 0xb2255b40 (LWP 542)): #0 0xb775e424 in __kernel_vsyscall () No symbol table info available. #1 0xb74b9380 in poll () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #2 0xb71359bb in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0xb7127210 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0xb7127371 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0xb225b8b0 in ?? () from /usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #6 0xb714bb33 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0xb73c8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #8 0xb74c7ace in clone () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. . Thread 3 (Thread 0xb18ffb40 (LWP 543)): #0 0xb775e424 in __kernel_vsyscall () No symbol table info available. #1 0xb74b9380 in poll () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #2 0xb71359bb in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0xb7127210 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0xb71276eb in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0xb625411a in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0 No symbol table info available. #6 0xb714bb33 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0xb73c8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #8 0xb74c7ace in clone () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. . Thread 2 (Thread 0xb6fb1b40 (LWP 439)): #0 0xb775e424 in __kernel_vsyscall () No symbol table info available. #1 0xb74b9380 in poll () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #2 0xb71359bb in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0xb7127210 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0xb7127371 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0xb71273de in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0xb714bb33 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0xb73c8d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 No symbol table info available. #8 0xb74c7ace in clone () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. . Thread 1 (Thread 0xb6fb3980 (LWP 438)): #0 0xb7452681 in ?? () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #1 0xb7454d3c in malloc () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. #2 0xb4ecffbc in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #3 0xb4ebfe30 in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #4 0xb4ec095f in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #5 0xb4ec195b in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #6 0xb4e7e7ee in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #7 0xb4e911b1 in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #8 0xb4ec4d79 in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #9 0xb4e87c48 in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #10 0xb4e8061d in ?? () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #11 0xb4e78afb in cairo_fill () from /usr/lib/i386-linux-gnu/libcairo.so.2 No symbol table info available. #12 0xb46bc2e3 in unity::dash::Style::FocusOverlay(int, int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #13 0xb4631cd7 in unity::PlacesGroup::ComputeContentSize() () from /usr/lib/compiz/libunityshell.so No symbol table info available. #14 0xb43f612a in nux::VLayout::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #15 0xb439aa3f in nux::View::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #16 0xb43937b2 in nux::HLayout::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #17 0xb439aa3f in nux::View::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #18 0xb43f612a in nux::VLayout::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #19 0xb43f612a in nux::VLayout::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #20 0xb43f612a in nux::VLayout::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #21 0xb439aa3f in nux::View::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #22 0xb43937b2 in nux::HLayout::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #23 0xb439aa3f in nux::View::ComputeContentSize() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #24 0xb44073d5 in nux::WindowThread::ComputeQueuedLayout() () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #25 0xb44086a7 in nux::WindowThread::RenderInterfaceFromForeignCmd(nux::Rect*) () from /usr/lib/libnux-3.0.so.0 No symbol table info available. #26 0xb4585fc0 in unity::UnityScreen::paintDisplay(CompRegion const&, GLMatrix const&, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #27 0xb4586a2b in unity::UnityWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #28 0xb61105c5 in GLWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #29 0xb611098b in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #30 0xb4f96efc in WallWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #31 0xb61109d1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #32 0xb4b3a696 in FadeWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libfade.so No symbol table info available. #33 0xb61109d1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #34 0xb457c70b in unity::UnityWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #35 0xb61109d1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #36 0xb611106a in PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #37 0xb61115ed in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #38 0xb4f91b42 in WallScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #39 0xb61114f5 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #40 0xb4586d8c in unity::UnityScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #41 0xb61114f5 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #42 0xb6113751 in PrivateGLScreen::paintOutputs(std::list >&, unsigned int, CompRegion const&) () from /usr/lib/compiz/libopengl.so No symbol table info available. #43 0xb61457d1 in CompositeScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libcomposite.so No symbol table info available. #44 0xb4f8eba1 in WallScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #45 0xb61457fd in CompositeScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libcomposite.so No symbol table info available. #46 0xb614744b in CompositeScreen::handlePaintTimeout() () from /usr/lib/compiz/libcomposite.so No symbol table info available. #47 0xb6148600 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. #48 0xb7700543 in CompTimer::triggerCallback() () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #49 0xb7700601 in CompTimeoutSource::callback() () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #50 0xb77006f1 in sigc::internal::slot_call0, bool>::call_it(sigc::internal::slot_rep*) () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #51 0xb76ff88f in CompTimeoutSource::dispatch(sigc::slot_base*) () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #52 0xb7223e21 in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/i386-linux-gnu/libglibmm-2.4.so.1 No symbol table info available. #53 0xb7126ef3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #54 0xb7127290 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #55 0xb71276eb in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 No symbol table info available. #56 0xb72252c3 in Glib::MainLoop::run() () from /usr/lib/i386-linux-gnu/libglibmm-2.4.so.1 No symbol table info available. #57 0xb76b6a5a in compiz::private_screen::EventManager::startEventLoop(_XDisplay*) () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #58 0xb76b6aa4 in CompScreenImpl::eventLoop() () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #59 0x0804a3d2 in CompManager::run() () No symbol table info available. #60 0x08049da5 in main () No symbol table info available.