.
Thread 4 (Thread 0x7fe6307e9700 (LWP 2988)):
#0  0x00007fe64fc3cdc3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe650177f26 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe65017838a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe650742e46 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fe6501995c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe638a2c2da in ?? () from /usr/lib/nvidia-current/libGL.so.1
No symbol table info available.
#6  0x00007fe64ff1ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007fe64fc4877d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7fe62e612700 (LWP 2999)):
#0  0x00007fe64fc3cdc3 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fe650177f26 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe65017838a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe630edf75b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fe6501995c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe638a2c2da in ?? () from /usr/lib/nvidia-current/libGL.so.1
No symbol table info available.
#6  0x00007fe64ff1ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007fe64fc4877d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fe62de11700 (LWP 3000)):
#0  0x00007fe64ff1f0fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007fe6501b3575 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe65014e1ee in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe65014e7fe in g_async_queue_timed_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fe650199d57 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe6501995c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007fe638a2c2da in ?? () from /usr/lib/nvidia-current/libGL.so.1
No symbol table info available.
#7  0x00007fe64ff1ae9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#8  0x00007fe64fc4877d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fe652440940 (LWP 2978)):
#0  0x00007fe651c210c5 in gtk_tree_model_get_valist () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#1  0x00007fe651c2139c in gtk_tree_model_get () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#2  0x00007fe645d80688 in ?? () from /usr/lib/control-center-1/panels/libsoundnua.so
No symbol table info available.
#3  0x00007fe650432384 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007fe650442635 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007fe65044a00b in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007fe65044a1d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007fe651a52bc1 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#8  0x00007fe651b272a3 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#9  0x00007fe650432384 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007fe650442c1a in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007fe650449eed in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007fe65044a1d2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007fe651c629c9 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#14 0x00007fe651b26a7a in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#15 0x00007fe651b26e9b in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#16 0x00007fe651761772 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#17 0x00007fe650177bca in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x00007fe650177f90 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x00007fe650178054 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007fe65070f6a4 in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#21 0x00007fe65247fb3c in main ()
No symbol table info available.