. Thread 3 (Thread 1603): #0 0x00007faed78daf03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007faed8c16104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007faed8c169f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007faebf01769b in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007faed8c3d3e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007faed8541d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007faed78e804d 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 1397): #0 0x00007faed78daf03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007faed8c16104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007faed8c169f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007faed9c40d44 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007faed8c3d3e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007faed8541d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007faed78e804d 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 1383): #0 0x00007faec79aefa0 in nux::WindowCompositor::ProcessEvent(nux::Event&) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #1 0x00007faec79b7943 in nux::WindowThread::ExecutionLoop(unsigned int) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #2 0x00007faec79b80e3 in nux::nux_event_dispatch(_GSource*, int (*)(void*), void*) () from /usr/lib/libnux-0.9.so.0 No symbol table info available. #3 0x00007faed8c15bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007faed8c163a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007faed8c169f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0x000000000042a34a in CompScreen::eventLoop() () No symbol table info available. #7 0x00000000004231c0 in main () No symbol table info available.