Reading symbols from compiz...(no debugging symbols found)...done.
Attaching to program: /usr/bin/compiz, process 20608
[New LWP 20610]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
0x00007f0e17c27dbb in waitpid () from /usr/lib/libc.so.6
(gdb) 
Thread 2 (Thread 0x7f0e13fe1700 (LWP 20610)):
#0  0x00007f0e17c4f48d in poll () at /usr/lib/libc.so.6
#1  0x00007f0e16281786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f0e1628189c in g_main_context_iteration ()
    at /usr/lib/libglib-2.0.so.0
#3  0x00007f0e162818e1 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f0e162a90d5 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f0e15c10454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f0e17c587df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f0e18968400 (LWP 20608)):
#0  0x00007f0e17c27dbb in waitpid () at /usr/lib/libc.so.6
#1  0x00007f0e17baf0fb in do_system () at /usr/lib/libc.so.6
#2  0x00007f0e0aa7f010 in  () at /usr/lib/compiz/libcrashhandler.so
#3  0x00007f0e17ba30b0 in <signal handler called> () at /usr/lib/libc.so.6
#4  0x00007f0e11cd7f79 in GLVertexBuffer::addTexCoords(unsigned int, unsigned int, float const*) () at /usr/lib/compiz/libopengl.so
#5  0x00007f0e00a3b433 in PolygonAnim::drawGeometry(GLTexture*, GLMatrix const&, GLWindowPaintAttrib const&, unsigned int) ()
    at /usr/lib/compiz/libanimationaddon.so
#6  0x00007f0e11cc2116 in GLWindow::glDrawTexture(GLTexture*, GLMatrix const&, GLWindowPaintAttrib const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#7  0x00007f0e11cc2daf in GLWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#8  0x00007f0e09709df8 in DecorWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libdecor.so
#9  0x00007f0e11cc2ddc in GLWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#10 0x00007f0e09fcdef5 in WallpaperWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) ()
    at /usr/lib/compiz/libwallpaper.so
#11 0x00007f0e11cc2ddc in GLWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#12 0x00007f0e083ae2a4 in WallWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libwall.so
#13 0x00007f0e11cc2ff1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#14 0x00007f0e054fc0db in ShowdesktopWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) ()
    at /usr/lib/compiz/libshowdesktop.so
#15 0x00007f0e11cc2ff1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#16 0x00007f0e04ea5a53 in PutWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libput.so
#17 0x00007f0e11cc2ff1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#18 0x00007f0e085f676b in PrivateAnimWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) ()
    at /usr/lib/compiz/libanimation.so
#19 0x00007f0e11cc2ff1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#20 0x00007f0e11cc35e6 in PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () at /usr/lib/compiz/libopengl.so
#21 0x00007f0e11cc4499 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#22 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#23 0x00007f0e083a8b86 in WallScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libwall.so
#24 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#25 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#26 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#27 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#28 0x00007f0e11cc9f81 in PrivateGLScreen::paintOutputs(std::__cxx11::list<CompOutput*, std::allocator<CompOutput*> >&, unsigned int, CompRegion const&) ()
    at /usr/lib/compiz/libopengl.so
#29 0x00007f0e1231a23a in CompositeScreen::handlePaintTimeout() ()
    at /usr/lib/compiz/libcomposite.so
#30 0x00007f0e1854d12f in CompTimer::triggerCallback() ()
    at /usr/lib/libcompiz_core.so.ABI-20151010
#31 0x00007f0e1854d21c in CompTimeoutSource::callback() ()
    at /usr/lib/libcompiz_core.so.ABI-20151010
#32 0x00007f0e1854c6bd in CompTimeoutSource::dispatch(sigc::slot_base*) ()
    at /usr/lib/libcompiz_core.so.ABI-20151010
#33 0x00007f0e165a330f in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () at /usr/lib/libglibmm-2.4.so.1
#34 0x00007f0e1628143a in g_main_context_dispatch ()
    at /usr/lib/libglib-2.0.so.0
#35 0x00007f0e162817f0 in  () at /usr/lib/libglib-2.0.so.0
#36 0x00007f0e16281b12 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#37 0x00007f0e184fac0f in compiz::private_screen::EventManager::startEventLoop(_XDisplay*) () at /usr/lib/libcompiz_core.so.ABI-20151010
#38 0x0000000000401701 in main ()


#0  0x00007f0e17c27dbb in waitpid () at /usr/lib/libc.so.6
#1  0x00007f0e17baf0fb in do_system () at /usr/lib/libc.so.6
#2  0x00007f0e0aa7f010 in  () at /usr/lib/compiz/libcrashhandler.so
#3  0x00007f0e17ba30b0 in <signal handler called> () at /usr/lib/libc.so.6
#4  0x00007f0e11cd7f79 in GLVertexBuffer::addTexCoords(unsigned int, unsigned int, float const*) () at /usr/lib/compiz/libopengl.so
#5  0x00007f0e00a3b433 in PolygonAnim::drawGeometry(GLTexture*, GLMatrix const&, GLWindowPaintAttrib const&, unsigned int) ()
    at /usr/lib/compiz/libanimationaddon.so
#6  0x00007f0e11cc2116 in GLWindow::glDrawTexture(GLTexture*, GLMatrix const&, GLWindowPaintAttrib const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#7  0x00007f0e11cc2daf in GLWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#8  0x00007f0e09709df8 in DecorWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libdecor.so
#9  0x00007f0e11cc2ddc in GLWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#10 0x00007f0e09fcdef5 in WallpaperWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) ()
    at /usr/lib/compiz/libwallpaper.so
#11 0x00007f0e11cc2ddc in GLWindow::glDraw(GLMatrix const&, GLWindowPaintAttrib const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#12 0x00007f0e083ae2a4 in WallWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libwall.so
#13 0x00007f0e11cc2ff1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#14 0x00007f0e054fc0db in ShowdesktopWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) ()
    at /usr/lib/compiz/libshowdesktop.so
#15 0x00007f0e11cc2ff1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#16 0x00007f0e04ea5a53 in PutWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libput.so
#17 0x00007f0e11cc2ff1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#18 0x00007f0e085f676b in PrivateAnimWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) ()
    at /usr/lib/compiz/libanimation.so
#19 0x00007f0e11cc2ff1 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () at /usr/lib/compiz/libopengl.so
#20 0x00007f0e11cc35e6 in PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () at /usr/lib/compiz/libopengl.so
#21 0x00007f0e11cc4499 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#22 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#23 0x00007f0e083a8b86 in WallScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libwall.so
#24 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#25 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#26 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#27 0x00007f0e11cc42ad in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) ()
    at /usr/lib/compiz/libopengl.so
#28 0x00007f0e11cc9f81 in PrivateGLScreen::paintOutputs(std::__cxx11::list<CompOutput*, std::allocator<CompOutput*> >&, unsigned int, CompRegion const&) ()
    at /usr/lib/compiz/libopengl.so
#29 0x00007f0e1231a23a in CompositeScreen::handlePaintTimeout() ()
    at /usr/lib/compiz/libcomposite.so
#30 0x00007f0e1854d12f in CompTimer::triggerCallback() ()
    at /usr/lib/libcompiz_core.so.ABI-20151010
#31 0x00007f0e1854d21c in CompTimeoutSource::callback() ()
    at /usr/lib/libcompiz_core.so.ABI-20151010
#32 0x00007f0e1854c6bd in CompTimeoutSource::dispatch(sigc::slot_base*) ()
    at /usr/lib/libcompiz_core.so.ABI-20151010
#33 0x00007f0e165a330f in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () at /usr/lib/libglibmm-2.4.so.1
#34 0x00007f0e1628143a in g_main_context_dispatch ()
    at /usr/lib/libglib-2.0.so.0
#35 0x00007f0e162817f0 in  () at /usr/lib/libglib-2.0.so.0
#36 0x00007f0e16281b12 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#37 0x00007f0e184fac0f in compiz::private_screen::EventManager::startEventLoop(_XDisplay*) () at /usr/lib/libcompiz_core.so.ABI-20151010
#38 0x0000000000401701 in main ()
A debugging session is active.

	Inferior 1 [process 20608] will be detached.

Quit anyway? (y or n) [answered Y; input not from terminal]
Detaching from program: /usr/bin/compiz, process 20608