.
Thread 6 (Thread 0x7f97004fd640 (LWP 2485)):
#0  0x00007f97029bca9f in __GI___poll (fds=0x556eb9d17070, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f9702c0fee6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9702bba033 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9702bba081 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f9702beaac1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f97029398d7 in start_thread (arg=<optimized out>) at pthread_create.c:434
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140286522021440, 3571962021187725307, 140286522021440, 17, 140286560016048, 140286513631232, -3549918326650787845, -3549912173696735237}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f97029ca510 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
No locals.
.
Thread 5 (Thread 0x7f96fcb82640 (LWP 2508)):
#0  0x00007f97029bca9f in __GI___poll (fds=0x7f96e0007190, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f96fd234256 in ?? () from /lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007f96fd21d581 in pa_mainloop_poll () from /lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007f96fd2280bb in pa_mainloop_iterate () from /lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#4  0x00007f96fd228170 in pa_mainloop_run () from /lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#5  0x00007f96fd23835d in ?? () from /lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#6  0x00007f96fd166ce3 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-15.0.so
No symbol table info available.
#7  0x00007f97029398d7 in start_thread (arg=<optimized out>) at pthread_create.c:434
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140286461748800, 3571962021187725307, 140286461748800, 88, 140286560016048, 140286453358592, -3548887115203565573, -3549912173696735237}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#8  0x00007f97029ca510 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
No locals.
.
Thread 4 (Thread 0x7f96febfa640 (LWP 2490)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007f9702c0a44c in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9702b8c2d1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9702b8c456 in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f9702bed739 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f9702beaac1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f97029398d7 in start_thread (arg=<optimized out>) at pthread_create.c:434
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140286495794752, 3571962021187725307, 140286495794752, 0, 140286560016048, 140286487404544, -3548882721452021765, -3549912173696735237}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007f97029ca510 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
No locals.
.
Thread 3 (Thread 0x7f96ff4fb640 (LWP 2487)):
#0  0x00007f97029bca9f in __GI___poll (fds=0x7f96f00160d0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f9702c0fee6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9702bbbe73 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9701b5416a in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f9702beaac1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f97029398d7 in start_thread (arg=<optimized out>) at pthread_create.c:434
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140286505236032, 3571962021187725307, 140286505236032, 11, 140286560016048, 140286496845824, -3548882583476197381, -3549912173696735237}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f97029ca510 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
No locals.
.
Thread 2 (Thread 0x7f96ffcfc640 (LWP 2486)):
#0  0x00007f97029bca9f in __GI___poll (fds=0x556eb9d18df0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f9702c0fee6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9702bba033 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f970058d2ad in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f9702beaac1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f97029398d7 in start_thread (arg=<optimized out>) at pthread_create.c:434
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140286513628736, 3571962021187725307, 140286513628736, 17, 140286560016048, 140286505238528, -3548881483427698693, -3549912173696735237}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007f97029ca510 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
No locals.
.
Thread 1 (Thread 0x7f9700bb9a80 (LWP 2483)):
#0  0x00007f9702bc798f in g_log_writer_default () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#1  0x00007f9702bc3683 in g_log_structured_array () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f9702bc3883 in g_log_structured_standard () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f9701e73a84 in ?? () from /lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#4  0x00007f970185fb64 in _XError () from /lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007f970185fc67 in ?? () from /lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007f970185fd05 in ?? () from /lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007f9701861031 in _XReadEvents () from /lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#8  0x00007f9701861341 in XWindowEvent () from /lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#9  0x00007f9702afc9de in meta_display_get_current_time_roundtrip () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#10 0x00007f9702afec26 in ?? () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#11 0x00007f9702afec85 in meta_display_set_input_focus_window () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#12 0x00007f9702b16f29 in meta_window_focus () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#13 0x00007f9702b1edad in ?? () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#14 0x00007f9702b163fe in meta_window_free () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#15 0x00007f9702afcd0a in meta_display_unmanage_windows_for_screen () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#16 0x00007f9702b0b664 in meta_screen_free () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#17 0x00007f9702afce0b in meta_display_close () from /lib/x86_64-linux-gnu/libmarco-private.so.2
No symbol table info available.
#18 0x0000556eb856016e in main ()
No symbol table info available.