#0 0x00007f55cb5ee5ea in compiz::composite::buffertracking::AgeingDamageBuffers::incrementAges (this=0x217ca30) at /build/buildd/compiz-0.9.12+14.10.20140812/plugins/composite/src/backbuffertracking/src/backbuffertracking.cpp:170 tracker = 0x217d170 it = {_M_current = 0x217d258} #1 0x00007f55cb5e661c in CompositeScreen::handlePaintTimeout (this=0x2109ec0) at /build/buildd/compiz-0.9.12+14.10.20140812/plugins/composite/src/screen.cpp:989 timeDiff = dpy = mask = 3 d = outputs = { >> = {_M_impl = { >> = {<__gnu_cxx::new_allocator >> = {}, }, _M_node = {_M_next = 0x4ce9650, _M_prev = 0x4f14ad0}}}, } tv = {tv_sec = 1408636529, tv_usec = 258910} #2 0x00007f55d72def7d in operator() (this=) at /usr/include/boost/function/function_template.hpp:767 No locals. #3 CompTimer::triggerCallback (this=this@entry=0x217c9c8) at /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp:227 No locals. #4 0x00007f55d72df02f in CompTimeoutSource::callback (this=) at /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp:150 t = 0x217c9c8 handler = 0x20f3670 requeue = { >> = {_M_impl = { >> = {<__gnu_cxx::new_allocator >> = {}, }, _M_node = {_M_next = 0x7fff2fc57400, _M_prev = 0x7fff2fc57400}}}, } i = #5 0x00007f55d72de57d in operator() (this=) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:440 No locals. #6 CompTimeoutSource::dispatch (this=, slot=) at /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp:133 No locals. #7 0x00007f55d579935f in Glib::Source::dispatch_vfunc (callback=, user_data=) at main.cc:1043 self = callback_data = __PRETTY_FUNCTION__ = "static gboolean Glib::Source::dispatch_vfunc(GSource*, GSourceFunc, void*)" #8 0x00007f55d5488d3d in g_main_context_iterate (context=0x217d170, block=-1, dispatch=1, self=) at /build/buildd/glib2.0-2.41.3/./glib/gmain.c:3671 max_priority = -713452832 timeout = 32597 some_ready = nfds = allocated_nfds = fds = #9 0x00007fff2fc57498 in ?? () No symbol table info available. #10 0x00000000021654b0 in ?? () No symbol table info available. #11 0x00007f55d57992e0 in ?? () at main.cc:113 from /tmp/apport_sandbox_mJqVQe/usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1 (anonymous namespace)::extra_source_data = {_M_t = {_M_impl = { > >> = {<__gnu_cxx::new_allocator > >> = {}, }, _M_key_compare = {> = {}, }, _M_header = {_M_color = std::_S_red, _M_parent = 0x2117e50, _M_left = 0x2117e50, _M_right = 0x2178700}, _M_node_count = 2}}} (anonymous namespace)::extra_source_data_mutex = {gobject_ = {p = 0x0, i = {0, 0}}} Glib::Source::vfunc_table_ = {prepare = 0x7f55d5799540 , check = 0x7f55d5799580 , dispatch = 0x7f55d5799310 , finalize = 0x0, closure_callback = 0x0, closure_marshal = 0x0} #12 0x000000007fffffff in ?? () No symbol table info available. #13 0x00000000020f9ef0 in ?? () No symbol table info available. #14 0x0000000000000001 in ?? () No symbol table info available. #15 0x00000000029133c0 in ?? () No symbol table info available. #16 0x000000000000000b in ?? () No symbol table info available. #17 0x00007f55d54980f0 in g_pattern_spec_free (pspec=0x217d170) at /build/buildd/glib2.0-2.41.3/./glib/gpattern.c:365 No locals. #18 0x0000000000000006 in ?? () No symbol table info available. #19 0x00007f55d54890d8 in g_main_loop_ref (loop=0x217d170) at /build/buildd/glib2.0-2.41.3/./glib/gmain.c:3848 __FUNCTION__ = "g_main_loop_ref" #20 0x00000000020f9fec in ?? () No symbol table info available. #21 0x00000001020f7d20 in ?? () No symbol table info available. #22 0x00007fff2fc57570 in ?? () No symbol table info available. #23 0x0000000b7fffffff in ?? () No symbol table info available. #24 0x0000000002175cd0 in ?? () No symbol table info available. #25 0x00000000020f9fe0 in ?? () No symbol table info available. #26 0x00000000020f9fec in ?? () No symbol table info available. #27 0x00000000020f7d20 in ?? () No symbol table info available. #28 0x00007fff2fc57570 in ?? () No symbol table info available. #29 0x00000000020fb500 in ?? () No symbol table info available. #30 0x0000000000000000 in ?? () No symbol table info available.