.
Thread 2 (Thread 2218):
#0  0x00007f7cf8131df3 in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x00007f7cf947e104 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f7cf947e9f2 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f7cfa4a7d44 in ?? () from /usr/lib/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f7cf94a53e4 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f7cf8da9d8c in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6  0x00007f7cf813ef3d in clone () from /lib/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 2211):
#0  0x00007f7cf947bf45 in g_source_unref () from /lib/libglib-2.0.so.0
No symbol table info available.
#1  0x000000000042cc38 in PrivateScreen::~PrivateScreen() ()
No symbol table info available.
#2  0x000000000042ceb9 in PrivateScreen::~PrivateScreen() ()
No symbol table info available.
#3  0x000000000042af95 in CompScreen::~CompScreen() ()
No symbol table info available.
#4  0x000000000042b0a9 in CompScreen::~CompScreen() ()
No symbol table info available.
#5  0x0000000000422769 in CompManager::fini() ()
No symbol table info available.
#6  0x0000000000422f68 in main ()
No symbol table info available.