.
Thread 3 (Thread 0x7f15bf25b700 (LWP 1173)):
#0  0x00007f15d624f773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f15d7329078 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f15d73298a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f15bf260c7b in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f15d734e626 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f15d6ec5edc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f15d625b89d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f15bea5a700 (LWP 1175)):
#0  0x00007f15d624f773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f15d7329078 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f15d73298a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f15d49267b6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f15d734e626 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f15d6ec5edc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f15d625b89d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f15d903b9c0 (LWP 1166)):
#0  0x00007f15d8b5e4f3 in _XFreeEventCookies () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#1  0x00007f15d8b49b22 in XNextEvent () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#2  0x000000000042e759 in PrivateScreen::processEvents() ()
No symbol table info available.
#3  0x0000000000455f31 in CompEventSource::callback() ()
No symbol table info available.
#4  0x00007f15d78229df in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/libglibmm-2.4.so.1
No symbol table info available.
#5  0x00007f15d7328b6d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f15d7329368 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#7  0x00007f15d73298a2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x000000000042b846 in CompScreen::eventLoop() ()
No symbol table info available.
#9  0x000000000041f61a in main ()
No symbol table info available.