. Thread 4 (Thread 0x7f52db7ff700 (LWP 8055)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216 No locals. #1 0x00007f52effa7465 in ?? () from /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0 No symbol table info available. #2 0x00007f52f5f6243f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f52f5fb5811 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007f52f5fb32b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f52f5b2aefc in start_thread (arg=0x7f52db7ff700) at pthread_create.c:304 __res = pd = 0x7f52db7ff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2654116076337952495, 140737412308320, 139993846643136, 0, 3, 2706409948372863249, 2706456774176475409}, 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" #6 0x00007f52f4ec089d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 0x7f52e283c700 (LWP 2762)): #0 0x00007f52f4eb4773 in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = 0 result = #1 0x00007f52f5f8df68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f52f5f8e792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f52f3598516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f52f5fb32b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f52f5b2aefc in start_thread (arg=0x7f52e283c700) at pthread_create.c:304 __res = pd = 0x7f52e283c700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2654116076337952495, 139993972721696, 139993964333504, 0, 3, 2706498977139329297, 2706456774176475409}, 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" #6 0x00007f52f4ec089d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 0x7f52e303d700 (LWP 2761)): #0 0x00007f52f4eb4773 in __GI___poll (fds=, nfds=, timeout=) at ../sysdeps/unix/sysv/linux/poll.c:87 resultvar = oldtype = 0 result = #1 0x00007f52f5f8df68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f52f5f8e792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f52edc309cb in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007f52f5fb32b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f52f5b2aefc in start_thread (arg=0x7f52e303d700) at pthread_create.c:304 __res = pd = 0x7f52e303d700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2654116076337952495, 140737412310672, 139993972726208, 0, 3, 2706497873869605137, 2706456774176475409}, 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" #6 0x00007f52f4ec089d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 No locals. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 0x7f52f7c4b9c0 (LWP 2656)): #0 0x00007f52e5952c3d in nux::Property::operator=(nux::color::Color const&) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #1 0x00007f52e5952553 in unity::switcher::SwitcherController::OnBackgroundUpdate(_GVariant*, unity::switcher::SwitcherController*) () from /usr/lib/compiz/libunityshell.so No symbol table info available. #2 0x00007f52e596de99 in ?? () from /usr/lib/compiz/libunityshell.so No symbol table info available. #3 0x00007f52f5f8da5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007f52f5f8e258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f52f5f8e792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0x000000000042e856 in CompScreen::eventLoop() () No symbol table info available. #7 0x000000000042221a in main () No symbol table info available.