. Thread 4 (Thread 0x7f0d6b5a4700 (LWP 1808)): #0 0x00007f0d8c2c19e3 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f0d8ab24f94 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f0d8ab250b4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f0d6b5ab35d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007f0d8ab47df5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f0d8bfc5e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f0d8c2cd39d 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 0x7f0d714c1700 (LWP 1806)): #0 0x00007f0d8c2c19e3 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f0d8ab24f94 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f0d8ab253f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f0d864cb636 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f0d8ab47df5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f0d8bfc5e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f0d8c2cd39d 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 2 (Thread 0x7f0d88af1700 (LWP 1697)): #0 0x00007f0d8c2c19e3 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f0d8ab24f94 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f0d8ab250b4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f0d8ab25101 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007f0d8ab47df5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f0d8bfc5e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f0d8c2cd39d 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 0x7f0d8cf6e780 (LWP 1695)): #0 0x00007f0d8c31ffb7 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f0d84666157 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so No symbol table info available. #2 0x00007f0d84667696 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so No symbol table info available. #3 0x00007f0d8577471f in TfpTexture::enable(GLTexture::Filter) () from /usr/lib/compiz/libopengl.so No symbol table info available. #4 0x00007f0d8575eaaf in GLWindow::glDrawTexture(GLTexture*, GLFragment::Attrib&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #5 0x00007f0d8575eb6e in GLWindow::glDrawTexture(GLTexture*, GLFragment::Attrib&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #6 0x00007f0d7d635bb0 in DecorWindow::glDecorate(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libdecor.so No symbol table info available. #7 0x00007f0d7d63b0b4 in DecorWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libdecor.so No symbol table info available. #8 0x00007f0d8575f62a in GLWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #9 0x00007f0d79897fc9 in UnityMTGrabHandlesWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunitymtgrabhandles.so No symbol table info available. #10 0x00007f0d8575f62a in GLWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #11 0x00007f0d774696e8 in unity::UnityWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #12 0x00007f0d8575f62a in GLWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #13 0x00007f0d8575f9c2 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #14 0x00007f0d7c534aa9 in WallWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #15 0x00007f0d8575f9f8 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #16 0x00007f0d79f9fb38 in PrivateAnimWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libanimation.so No symbol table info available. #17 0x00007f0d8575f9f8 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #18 0x00007f0d79abb69b in FadeWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libfade.so No symbol table info available. #19 0x00007f0d8575f9f8 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #20 0x00007f0d7745f33b in unity::UnityWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #21 0x00007f0d8575f9f8 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #22 0x00007f0d8575ff72 in PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #23 0x00007f0d85760367 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #24 0x00007f0d7c52f20f in WallScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libwall.so No symbol table info available. #25 0x00007f0d857602a5 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #26 0x00007f0d857602a5 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #27 0x00007f0d774699d4 in unity::UnityScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #28 0x00007f0d857602a5 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so No symbol table info available. #29 0x00007f0d8576dd92 in PrivateGLScreen::paintOutputs(std::list >&, unsigned int, CompRegion const&) () from /usr/lib/compiz/libopengl.so No symbol table info available. #30 0x00007f0d85d9fd65 in CompositeScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libcomposite.so No symbol table info available. #31 0x00007f0d85da1758 in CompositeScreen::handlePaintTimeout() () from /usr/lib/compiz/libcomposite.so No symbol table info available. #32 0x00007f0d8cb2c25c in CompTimer::triggerCallback() () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #33 0x00007f0d8cb2c2ff in CompTimeoutSource::callback() () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #34 0x00007f0d8cb2b7dd in CompTimeoutSource::dispatch(sigc::slot_base*) () from /usr/lib/libcompiz_core.so.ABI-20120526 No symbol table info available. #35 0x00007f0d8b01eacf in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 No symbol table info available. #36 0x00007f0d8ab24cc5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #37 0x00007f0d8ab24ff8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #38 0x00007f0d8ab253f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #39 0x0000000000402543 in main () No symbol table info available.