.
Thread 6 (Thread 0x7ffe318ce700 (LWP 6118)):
#0  0x00007ffe44cb0d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007ffe3bcfe940 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
No symbol table info available.
#2  0x00007ffe43d663f7 in ?? () from /usr/lib/libmozjs185.so.1.0
No symbol table info available.
#3  0x00007ffe3bd04103 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
No symbol table info available.
#4  0x00007ffe44cace9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#5  0x00007ffe449da74d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (Thread 0x7ffe32ad7700 (LWP 6109)):
#0  0x00007ffe449ced93 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffe44f0a136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffe44f0a59a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffe40806446 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007ffe44f2b7d5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ffe44cace9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007ffe449da74d 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 4 (Thread 0x7ffe1e8ff700 (LWP 6150)):
#0  0x00007ffe44cb10fe in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007ffe44f45785 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffe44ee0271 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffe44f2c05a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007ffe44f2b7d5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ffe44cace9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007ffe449da74d 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 3 (Thread 0x7ffe320cf700 (LWP 6117)):
#0  0x00007ffe449ced93 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffe3fca934f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007ffe3fc9a76c in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007ffe3fc9add9 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#4  0x00007ffe3fc9ae90 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#5  0x00007ffe3fca92ff in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#6  0x00007ffe373d1c28 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
No symbol table info available.
#7  0x00007ffe44cace9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#8  0x00007ffe449da74d 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 2 (Thread 0x7ffe332d8700 (LWP 6108)):
#0  0x00007ffe449ced93 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ffe44f0a136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffe44f0a59a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ffe332dd75b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007ffe44f2b7d5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ffe44cace9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007ffe449da74d 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 0x7ffe472a99c0 (LWP 6092)):
#0  0x00007ffe44f1113b in g_logv () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#1  0x00007ffe44f11312 in g_log () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ffe45705623 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#3  0x00007ffe45712437 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#4  0x00007ffe1d48abd1 in ?? () from /usr/lib/libxklavier.so.16
No symbol table info available.
#5  0x00007ffe41c94606 in ?? () from /usr/lib/nvidia-current/libGL.so.1
No symbol table info available.
#6  0x00007ffe41c8b709 in glXReleaseTexImageEXT () from /usr/lib/nvidia-current/libGL.so.1
No symbol table info available.
#7  0x00007ffe419fa593 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.5
No symbol table info available.
#8  0x00007ffe419fa629 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.5
No symbol table info available.
#9  0x00007ffe419f8364 in ?? () from /usr/lib/x86_64-linux-gnu/libcogl.so.5
No symbol table info available.
#10 0x00007ffe419de785 in cogl_pipeline_set_layer_texture_EXP () from /usr/lib/x86_64-linux-gnu/libcogl.so.5
No symbol table info available.
#11 0x00007ffe46ba6c98 in meta_shaped_texture_clear () from /usr/lib/libmutter.so.0
No symbol table info available.
#12 0x00007ffe46ba8114 in ?? () from /usr/lib/libmutter.so.0
No symbol table info available.
#13 0x00007ffe46ba8996 in ?? () from /usr/lib/libmutter.so.0
No symbol table info available.
#14 0x00007ffe451c9f20 in g_object_run_dispose () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007ffe4604bb49 in clutter_actor_destroy () from /usr/lib/x86_64-linux-gnu/libclutter-glx-1.0.so.0
No symbol table info available.
#16 0x00007ffe46bdfd94 in meta_window_unmanage () from /usr/lib/libmutter.so.0
No symbol table info available.
#17 0x00007ffe46bb2dab in meta_display_unmanage_windows_for_screen () from /usr/lib/libmutter.so.0
No symbol table info available.
#18 0x00007ffe46bc5f89 in meta_screen_free () from /usr/lib/libmutter.so.0
No symbol table info available.
#19 0x00007ffe46bb3223 in meta_display_close () from /usr/lib/libmutter.so.0
No symbol table info available.
#20 0x00007ffe46bc0ce5 in meta_run () from /usr/lib/libmutter.so.0
No symbol table info available.
#21 0x0000000000402661 in main ()
No symbol table info available.