. Thread 7 (Thread 0x7fb979d01700 (LWP 31028)): #0 0x00007fb97da6f44d in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fb97737ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fb97737ee84 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fb9777d4bf6 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #4 0x00007fb977d6fc1e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #5 0x00007fb9777a52bf in QEventLoop::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #6 0x00007fb9777a5548 in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #7 0x00007fb9777aa708 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #8 0x00007fb97925f216 in ?? () from /usr/lib/vlc/plugins/gui/libqt4_plugin.so No symbol table info available. #9 0x00007fb97df51f9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #10 0x00007fb97da7b0cd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 6 (Thread 0x7fb957733700 (LWP 31030)): #0 0x00007fb97da6f44d in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fb97737ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fb97737ee84 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fb95773a4bd in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007fb9773a2635 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fb97df51f9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007fb97da7b0cd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 5 (Thread 0x7fb97e863740 (LWP 31019)): #0 0x00007fb97df59940 in sigwait () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00000000004016a4 in ?? () No symbol table info available. #2 0x00007fb97d9a5c15 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #3 0x000000000040175d in ?? () No symbol table info available. . Thread 4 (Thread 0x7fb973b57700 (LWP 31026)): #0 0x00007fb97df55cbe in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007fb97e190531 in ?? () from /usr/lib/libvlccore.so.5 No symbol table info available. #2 0x00007fb97df51f9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #3 0x00007fb97da7b0cd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 3 (Thread 0x7fb9560fd700 (LWP 31032)): #0 0x00007fb97df5608e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007fb9773bc175 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fb977355771 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fb977355dba in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007fb9773a2e12 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fb9773a2635 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0x00007fb97df51f9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #7 0x00007fb97da7b0cd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 2 (Thread 0x7fb956f32700 (LWP 31031)): #0 0x00007fb97da6f44d in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fb97737ed64 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fb97737f1c2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fb9623ae476 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007fb9773a2635 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fb97df51f9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007fb97da7b0cd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 1 (Thread 0x7fb9704e4700 (LWP 31034)): #0 0x00007fb974591b16 in dvdnav_describe_title_chapters () from /usr/lib/x86_64-linux-gnu/libdvdnav.so.4 No symbol table info available. #1 0x00007fb9747a349a in ?? () from /usr/lib/vlc/plugins/access/libdvdnav_plugin.so No symbol table info available. #2 0x00007fb97e1e9419 in vlc_module_load () from /usr/lib/libvlccore.so.5 No symbol table info available. #3 0x00007fb97e1a6f48 in ?? () from /usr/lib/libvlccore.so.5 No symbol table info available. #4 0x00007fb97e1b3969 in ?? () from /usr/lib/libvlccore.so.5 No symbol table info available. #5 0x00007fb97e1b493e in ?? () from /usr/lib/libvlccore.so.5 No symbol table info available. #6 0x00007fb97e1b80a5 in ?? () from /usr/lib/libvlccore.so.5 No symbol table info available. #7 0x00007fb97df51f9f in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #8 0x00007fb97da7b0cd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available.