. Thread 3 (Thread 0x7f4be727d700 (LWP 23937)): #0 0x00007f4bf9a51773 in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = 0 result = #1 0x00007f4bfab2b078 in g_main_context_poll (n_fds=3, fds=0x1f2b050, timeout=-1, context=0x1f20a20, priority=) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3402 poll_func = 0x7f4bfab39620 #2 g_main_context_iterate (context=0x1f20a20, block=, dispatch=1, self=) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3084 max_priority = 2147483647 timeout = -1 some_ready = nfds = 3 allocated_nfds = fds = 0x1f2b050 #3 0x00007f4bfab2b8a2 in g_main_loop_run (loop=0x1f209d0) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3297 __PRETTY_FUNCTION__ = "g_main_loop_run" #4 0x00007f4bf81287b6 in gdbus_shared_thread_func (user_data=0x1f209f0) at /build/buildd/glib2.0-2.29.90/./gio/gdbusprivate.c:276 data = 0x1f209f0 #5 0x00007f4bfab50626 in g_thread_create_proxy (data=0x1f20b10) at /build/buildd/glib2.0-2.29.90/./glib/gthread.c:1962 thread = 0x1f20b10 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #6 0x00007f4befde456c in ?? () from /tmp/tmp722U61/usr/lib/nvidia-current/libGL.so.1 No symbol table info available. #7 0x00007f4bfa6c7edc in start_thread (arg=0x7f4be727d700) at pthread_create.c:304 __res = pd = 0x7f4be727d700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8511685033924492057, 139963985811312, 139963977423296, 0, 3, 8608531462709052647, 8608524404552893671}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 robust = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007f4bf9a5d89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #9 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 0x7f4be7a7e700 (LWP 23936)): #0 0x00007f4bf9a51773 in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = 0 result = #1 0x00007f4bfab2b078 in g_main_context_poll (n_fds=1, fds=0x1f1ad80, timeout=119999, context=0x1f1a000, priority=) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3402 poll_func = 0x7f4bfab39620 #2 g_main_context_iterate (context=0x1f1a000, block=, dispatch=1, self=) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3084 max_priority = 2147483647 timeout = 119999 some_ready = nfds = 1 allocated_nfds = fds = 0x1f1ad80 #3 0x00007f4bfab2b8a2 in g_main_loop_run (loop=0x1f1ad60) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3297 __PRETTY_FUNCTION__ = "g_main_loop_run" #4 0x00007f4be7a83c7b in dconf_context_thread (data=) at dconfcontext.c:11 context = 0x1f1a000 loop = __PRETTY_FUNCTION__ = "dconf_context_thread" #5 0x00007f4bfab50626 in g_thread_create_proxy (data=0x1f19730) at /build/buildd/glib2.0-2.29.90/./glib/gthread.c:1962 thread = 0x1f19730 __PRETTY_FUNCTION__ = "g_thread_create_proxy" #6 0x00007f4befde456c in ?? () from /tmp/tmp722U61/usr/lib/nvidia-current/libGL.so.1 No symbol table info available. #7 0x00007f4bfa6c7edc in start_thread (arg=0x7f4be7a7e700) at pthread_create.c:304 __res = pd = 0x7f4be7a7e700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8511685033924492057, 140737481960288, 139963985816000, 0, 3, 8608530362660553959, 8608524404552893671}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 robust = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #8 0x00007f4bf9a5d89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #9 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 0x7f4bfc8459c0 (LWP 23933)): #0 0x00007f4bea730642 in UnityScreen::~UnityScreen (this=0x1ed7280, __in_chrg=) at /build/buildd/unity-4.16.0/plugins/unityshell/src/unityshell.cpp:311 ubus = 0x0 #1 0x00007f4bea730cb9 in UnityScreen::~UnityScreen (this=0x1ed7280, __in_chrg=) at /build/buildd/unity-4.16.0/plugins/unityshell/src/unityshell.cpp:335 No locals. #2 0x00007f4bea73d151 in getInstance (base=) at /usr/include/compiz/core/pluginclasshandler.h:170 pc = 0x1ed7280 #3 PluginClassHandler::get (base=0x1c7a1d0) at /usr/include/compiz/core/pluginclasshandler.h:196 No locals. #4 0x00007f4bea73d2dc in CompPlugin::VTableForScreenAndWindow::initScreen (this=, s=) at /usr/include/compiz/core/plugin.h:232 ps = #5 0x000000000045110a in CompManager::initPlugin (p=0x1eb2f10) at /build/buildd/compiz-0.9.5.94+bzr2803/src/plugin.cpp:287 No locals. #6 0x0000000000452cce in CompPlugin::push (p=0x1eb2f10) at /build/buildd/compiz-0.9.5.94+bzr2803/src/plugin.cpp:502 name = 0x1ed6738 "unityshell" insertRet = {first = {_M_node = }, second = true} #7 0x000000000042e55f in PrivateScreen::updatePlugins (this=0x1c7cf70) at /build/buildd/compiz-0.9.5.94+bzr2803/src/screen.cpp:849 p = 0x1eb2f10 j = pop = { >> = {_M_impl = { >> = {<__gnu_cxx::new_allocator >> = {}, }, _M_node = {_M_next = 0x7fffff9e7d60, _M_prev = 0x7fffff9e7d60}}}, } nPop = pListCount = __PRETTY_FUNCTION__ = "void PrivateScreen::updatePlugins()" i = 27 pList = { >> = {_M_impl = {> = {<__gnu_cxx::new_allocator> = {}, }, _M_start = 0x1ba2630, _M_finish = 0x1ba2710, _M_end_of_storage = 0x1ba2710}}, } failedPush = list = #8 0x000000000042e908 in PrivateScreen::processEvents (this=0x1c7cf70) at /build/buildd/compiz-0.9.5.94+bzr2803/src/screen.cpp:632 event = {type = 29038816, xany = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664}, xkey = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, root = 29038816, subwindow = 140737481965504, time = 0, x = 1, y = 0, x_root = 30024128, y_root = 0, state = 2, keycode = 0, same_screen = 30035664}, xbutton = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, root = 29038816, subwindow = 140737481965504, time = 0, x = 1, y = 0, x_root = 30024128, y_root = 0, state = 2, button = 0, same_screen = 30035664}, xmotion = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, root = 29038816, subwindow = 140737481965504, time = 0, x = 1, y = 0, x_root = 30024128, y_root = 0, state = 2, is_hint = 0 '\000', same_screen = 30035664}, xcrossing = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, root = 29038816, subwindow = 140737481965504, time = 0, x = 1, y = 0, x_root = 30024128, y_root = 0, mode = 2, detail = 0, same_screen = 30035664, focus = 0, state = 1}, xfocus = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, mode = 29038816, detail = 0}, xexpose = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, x = 29038816, y = 0, width = -6389824, height = 32767, count = 0}, xgraphicsexpose = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, drawable = 30035664, x = 29038816, y = 0, width = -6389824, height = 32767, count = 0, major_code = 0, minor_code = 1}, xnoexpose = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, drawable = 30035664, major_code = 29038816, minor_code = 0}, xvisibility = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, state = 29038816}, xcreatewindow = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, parent = 30035664, window = 29038816, x = -6389824, y = 32767, width = 0, height = 0, border_width = 1, override_redirect = 0}, xdestroywindow = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, event = 30035664, window = 29038816}, xunmap = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, event = 30035664, window = 29038816, from_configure = -6389824}, xmap = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, event = 30035664, window = 29038816, override_redirect = -6389824}, xmaprequest = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, parent = 30035664, window = 29038816}, xreparent = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, event = 30035664, window = 29038816, parent = 140737481965504, x = 0, y = 0, override_redirect = 1}, xconfigure = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, event = 30035664, window = 29038816, x = -6389824, y = 32767, width = 0, height = 0, border_width = 1, above = 30024128, override_redirect = 2}, xgravity = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, event = 30035664, window = 29038816, x = -6389824, y = 32767}, xresizerequest = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, width = 29038816, height = 0}, xconfigurerequest = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, parent = 30035664, window = 29038816, x = -6389824, y = 32767, width = 0, height = 0, border_width = 1, above = 30024128, detail = 2, value_mask = 30035664}, xcirculate = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, event = 30035664, window = 29038816, place = -6389824}, xcirculaterequest = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, parent = 30035664, window = 29038816, place = -6389824}, xproperty = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, atom = 29038816, time = 140737481965504, state = 0}, xselectionclear = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, selection = 29038816, time = 140737481965504}, xselectionrequest = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, owner = 30035664, requestor = 29038816, selection = 140737481965504, target = 0, property = 1, time = 30024128}, xselection = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, requestor = 30035664, selection = 29038816, target = 140737481965504, property = 0, time = 1}, xcolormap = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, colormap = 29038816, c_new = -6389824, state = 32767}, xclient = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, message_type = 29038816, format = -6389824, data = {b = "\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\300!\312\001", s = {0, 0, 0, 0, 1, 0, 0, 0, 8640, 458}, l = {0, 1, 30024128, 2, 30035664}}}, xmapping = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, request = 29038816, first_keycode = 0, count = -6389824}, xerror = {type = 29038816, display = 0x1bb18e0, resourceid = 140737481965504, serial = 139964290523584, error_code = 208 '\320', request_code = 78 'N', minor_code = 202 '\312'}, xkeymap = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, window = 30035664, key_vector = "\340\030\273\001\000\000\000\000\300\177\236\377\377\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000"}, xgeneric = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, extension = 30035664, evtype = 0}, xcookie = {type = 29038816, serial = 29038816, send_event = -6389824, display = 0x7f4bf9d161c0, extension = 30035664, evtype = 0, cookie = 29038816, data = 0x7fffff9e7fc0}, pad = {29038816, 29038816, 140737481965504, 139964290523584, 30035664, 29038816, 140737481965504, 0, 1, 30024128, 2, 30035664, 1, 30024128, 2, 30035664, 1, 0, 29044912, 139964159405546, 20971521, 139964159424877, 30024128, 2}} peekEvent = {type = 30035664, xany = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664}, xkey = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, root = 139964159310489, subwindow = 30025824, time = 139964159315274, x = 30035776, y = 0, x_root = 30025824, y_root = 0, state = 29117192, keycode = 0, same_screen = 30035664}, xbutton = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, root = 139964159310489, subwindow = 30025824, time = 139964159315274, x = 30035776, y = 0, x_root = 30025824, y_root = 0, state = 29117192, button = 0, same_screen = 30035664}, xmotion = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, root = 139964159310489, subwindow = 30025824, time = 139964159315274, x = 30035776, y = 0, x_root = 30025824, y_root = 0, state = 29117192, is_hint = 0 '\000', same_screen = 30035664}, xcrossing = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, root = 139964159310489, subwindow = 30025824, time = 139964159315274, x = 30035776, y = 0, x_root = 30025824, y_root = 0, mode = 29117192, detail = 0, same_screen = 30035664, focus = 0, state = 1}, xfocus = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, mode = -234931559, detail = 32587}, xexpose = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, x = -234931559, y = 32587, width = 30025824, height = 0, count = -234926774}, xgraphicsexpose = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, drawable = 30035664, x = -234931559, y = 32587, width = 30025824, height = 0, count = -234926774, major_code = 32587, minor_code = 30035776}, xnoexpose = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, drawable = 30035664, major_code = -234931559, minor_code = 32587}, xvisibility = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, state = -234931559}, xcreatewindow = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, parent = 30035664, window = 139964159310489, x = 30025824, y = 0, width = -234926774, height = 32587, border_width = 30035776, override_redirect = 0}, xdestroywindow = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, event = 30035664, window = 139964159310489}, xunmap = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, event = 30035664, window = 139964159310489, from_configure = 30025824}, xmap = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, event = 30035664, window = 139964159310489, override_redirect = 30025824}, xmaprequest = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, parent = 30035664, window = 139964159310489}, xreparent = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, event = 30035664, window = 139964159310489, parent = 30025824, x = -234926774, y = 32587, override_redirect = 30035776}, xconfigure = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, event = 30035664, window = 139964159310489, x = 30025824, y = 0, width = -234926774, height = 32587, border_width = 30035776, above = 30025824, override_redirect = 29117192}, xgravity = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, event = 30035664, window = 139964159310489, x = 30025824, y = 0}, xresizerequest = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, width = -234931559, height = 32587}, xconfigurerequest = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, parent = 30035664, window = 139964159310489, x = 30025824, y = 0, width = -234926774, height = 32587, border_width = 30035776, above = 30025824, detail = 29117192, value_mask = 30035664}, xcirculate = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, event = 30035664, window = 139964159310489, place = 30025824}, xcirculaterequest = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, parent = 30035664, window = 139964159310489, place = 30025824}, xproperty = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, atom = 139964159310489, time = 30025824, state = -234926774}, xselectionclear = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, selection = 139964159310489, time = 30025824}, xselectionrequest = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, owner = 30035664, requestor = 139964159310489, selection = 30025824, target = 139964159315274, property = 30035776, time = 30025824}, xselection = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, requestor = 30035664, selection = 139964159310489, target = 30025824, property = 139964159315274, time = 30035776}, xcolormap = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, colormap = 139964159310489, c_new = 30025824, state = 0}, xclient = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, message_type = 139964159310489, format = 30025824, data = {b = "JM\377\361K\177\000\000@O\312\001\000\000\000\000`(\312\001", s = {19786, -3585, 32587, 0, 20288, 458, 0, 0, 10336, 458}, l = {139964159315274, 30035776, 30025824, 29117192, 30035664}}}, xmapping = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, request = -234931559, first_keycode = 32587, count = 30025824}, xerror = {type = 30035664, display = 0x7f4bf200af17, resourceid = 30025824, serial = 2, error_code = 208 '\320', request_code = 78 'N', minor_code = 202 '\312'}, xkeymap = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, window = 30035664, key_vector = "\231:\377\361K\177\000\000`(\312\001\000\000\000\000JM\377\361K\177\000\000@O\312\001\000\000\000"}, xgeneric = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, extension = 30035664, evtype = 0}, xcookie = {type = 30035664, serial = 139964159405847, send_event = 30025824, display = 0x2, extension = 30035664, evtype = 0, cookie = 4060035737, data = 0x1ca2860}, pad = {30035664, 139964159405847, 30025824, 2, 30035664, 139964159310489, 30025824, 139964159315274, 30035776, 30025824, 29117192, 30035664, 1, 139964159314693, 30025824, 139964159321904, 1, 1, 30211648, 139964333856517, 1, 139964159460126, 0, 0}} #9 0x0000000000455f31 in callback (this=) at /build/buildd/compiz-0.9.5.94+bzr2803/src/eventsource.cpp:71 No locals. #10 CompEventSource::callback (this=) at /build/buildd/compiz-0.9.5.94+bzr2803/src/eventsource.cpp:63 No locals. #11 0x00007f4bfb0249df in Glib::Source::dispatch_vfunc (callback=, user_data=) at main.cc:892 self = callback_data = __PRETTY_FUNCTION__ = "static gboolean Glib::Source::dispatch_vfunc(GSource*, GSourceFunc, void*)" #12 0x00007f4bfab2ab6d in g_main_dispatch (context=0x1bb30b0) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:2441 dispatch = 0x7f4bfb024990 was_in_call = 0 user_data = 0x1ce9310 callback = 0x7f4bfb024a80 <(anonymous namespace)::glibmm_dummy_source_callback(void*)> cb_funcs = 0x7f4bfadda670 cb_data = 0x1ce91b0 current_source_link = {data = 0x1ce9140, next = 0x0} need_destroy = source = 0x1ce9140 current = 0x1ccfe40 i = #13 g_main_context_dispatch (context=0x1bb30b0) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3011 No locals. #14 0x00007f4bfab2b368 in g_main_context_iterate (context=0x1bb30b0, block=, dispatch=1, self=) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3089 max_priority = 0 timeout = 0 some_ready = 1 nfds = 6 allocated_nfds = fds = #15 0x00007f4bfab2b8a2 in g_main_loop_run (loop=0x1ce8ef0) at /build/buildd/glib2.0-2.29.90/./glib/gmain.c:3297 __PRETTY_FUNCTION__ = "g_main_loop_run" #16 0x000000000042b846 in CompScreen::eventLoop (this=0x1c7a1d0) at /build/buildd/compiz-0.9.5.94+bzr2803/src/screen.cpp:128 No locals. #17 0x000000000041f61a in main (argc=1, argv=0x7fffff9e8348) at /build/buildd/compiz-0.9.5.94+bzr2803/src/main.cpp:295 manager = {plugins = {, std::allocator >, std::allocator, std::allocator > > >> = {_M_impl = {, std::allocator > > >> = {<__gnu_cxx::new_allocator, std::allocator > > >> = {}, }, _M_node = {_M_next = 0x1c7a180, _M_prev = 0x1c7a180}}}, }, disableSm = false, clientId = 0x1c85e80 "10d5467feef10fafdd131626581377408800000017510008", displayName = 0x0}