[Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". [New Thread 0xb19ffb40 (LWP 1852)] [New Thread 0xb23bcb40 (LWP 1851)] [New Thread 0xb6fbcb40 (LWP 1665)] 0xb774f424 in __kernel_vsyscall () #0 0xb774f424 in __kernel_vsyscall () #1 0xb74b9380 in poll () from /lib/i386-linux-gnu/libc.so.6 #2 0xb708f120 in ?? () from /usr/lib/i386-linux-gnu/libxcb.so.1 #3 0xb7090a50 in ?? () from /usr/lib/i386-linux-gnu/libxcb.so.1 #4 0xb7090d07 in xcb_wait_for_reply () from /usr/lib/i386-linux-gnu/libxcb.so.1 #5 0xb72c56f2 in _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6 #6 0xb606c646 in ?? () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1 #7 0xb6069e37 in ?? () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1 #8 0xb5f2ceac in intel_update_renderbuffers () from /usr/lib/i386-linux-gnu/dri/i965_dri.so #9 0xb5f2db78 in intel_prepare_render () from /usr/lib/i386-linux-gnu/dri/i965_dri.so #10 0xb5f4b25d in brw_draw_prims () from /usr/lib/i386-linux-gnu/dri/i965_dri.so #11 0xb5daa2f0 in vbo_exec_vtx_flush () from /usr/lib/i386-linux-gnu/dri/libdricore.so #12 0xb5d9f6f7 in ?? () from /usr/lib/i386-linux-gnu/dri/libdricore.so #13 0xb5da7b0f in vbo_exec_FlushVertices () from /usr/lib/i386-linux-gnu/dri/libdricore.so #14 0xb5d68b4d in _mesa_BindTexture () from /usr/lib/i386-linux-gnu/dri/libdricore.so #15 0xb609cf20 in GLTexture::disable() () from /usr/lib/compiz/libopengl.so #16 0xb45eab8f in unity::UnityScreen::paintPanelShadow(GLMatrix const&) () from /usr/lib/compiz/libunityshell.so #17 0xb45f59da in unity::UnityWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so #18 0xb60a2af5 in GLWindow::glDraw(GLMatrix const&, GLFragment::Attrib&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so #19 0xb60a2f83 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so #20 0xb4f2a91c in WallWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libwall.so #21 0xb60a2f15 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so #22 0xb492fe9e in FadeWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libfade.so #23 0xb60a2f15 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so #24 0xb45ebd92 in unity::UnityWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so #25 0xb60a2f15 in GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so #26 0xb60a35c0 in PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so #27 0xb60a3be4 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so #28 0xb4f24802 in WallScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libwall.so #29 0xb60a3ae1 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so #30 0xb4c544c6 in PrivateAnimScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libanimation.so #31 0xb60a3ae1 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so #32 0xb45f5bc5 in unity::UnityScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libunityshell.so #33 0xb60a3ae1 in GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so #34 0xb6095201 in PrivateGLScreen::paintOutputs(std::list >&, unsigned int, CompRegion const&) () from /usr/lib/compiz/libopengl.so #35 0xb60ea88f in CompositeScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libcomposite.so #36 0xb4f21529 in WallScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libwall.so #37 0xb60ea856 in CompositeScreen::paint(std::list >&, unsigned int) () from /usr/lib/compiz/libcomposite.so #38 0xb60ec403 in CompositeScreen::handlePaintTimeout() () from /usr/lib/compiz/libcomposite.so #39 0xb60ed6a1 in boost::detail::function::function_obj_invoker0, boost::_bi::list1 > >, bool>::invoke(boost::detail::function::function_buffer&) () from /usr/lib/compiz/libcomposite.so #40 0xb76fd413 in CompTimer::triggerCallback() () from /usr/lib/libcompiz_core.so.ABI-20120305 #41 0xb76fd521 in CompTimeoutSource::callback() () from /usr/lib/libcompiz_core.so.ABI-20120305 #42 0xb76fd632 in sigc::internal::slot_call0, bool>::call_it(sigc::internal::slot_rep*) () from /usr/lib/libcompiz_core.so.ABI-20120305 #43 0xb76fc7af in CompTimeoutSource::dispatch(sigc::slot_base*) () from /usr/lib/libcompiz_core.so.ABI-20120305 #44 0xb7225471 in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/i386-linux-gnu/libglibmm-2.4.so.1 #45 0xb712ad86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 #46 0xb712b125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #47 0xb712b56b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 #48 0xb7226983 in Glib::MainLoop::run() () from /usr/lib/i386-linux-gnu/libglibmm-2.4.so.1 #49 0xb76b1816 in compiz::private_screen::EventManager::startEventLoop() () from /usr/lib/libcompiz_core.so.ABI-20120305 #50 0xb76b1852 in CompScreenImpl::eventLoop() () from /usr/lib/libcompiz_core.so.ABI-20120305 #51 0x0804a4f2 in CompManager::run() () #52 0x0804a17c in main ()