.
Thread 16 (Thread 0x7fd0ed9c5700 (LWP 1216)):
#0  0x00007fd10bfde18d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fd10c511786 in g_main_context_iterate.isra () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd10c51189c in g_main_context_iteration () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd0ee1ce46d in dconf_gdbus_worker_thread (user_data=0x557195cffc80) at dconf-gdbus-thread.c:82
        context = 0x557195cffc80
#4  0x00007fd10c539685 in g_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd10c2b06da in start_thread (arg=0x7fd0ed9c5700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fd0ed9c5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140535316371200, 5765760101053749886, 140730019677486, 140730019677487, 140535316371904, 140535316371200, -5790006808904082818, -5789940178758411650}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd10bfea17f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 15 (Thread 0x7fd0ec73a700 (LWP 1228)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fd0fd326570 in PR_WaitCondVar (cvar=0x557195ae43f0, timeout=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x557195defc00
#2  0x00007fd107127e4f in ?? ()
No symbol table info available.
#3  0x0000557195defc00 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 14 (Thread 0x7fd0ec6b9700 (LWP 1229)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fd0fd326570 in PR_WaitCondVar (cvar=0x557195ae43f0, timeout=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x557195d7f2e0
#2  0x00007fd107127e4f in ?? ()
No symbol table info available.
#3  0x0000557195d7f2e0 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 13 (Thread 0x7fd0ee1c6700 (LWP 1215)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fd10c55787a in g_cond_wait_until () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd10c4e5a99 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd10c53a056 in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fd10c539685 in g_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd10c2b06da in start_thread (arg=0x7fd0ee1c6700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fd0ee1c6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140535324763904, 5765760101053749886, 140730019678542, 140730019678543, 140535324764608, 140535324763904, -5790005709929325954, -5789940178758411650}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd10bfea17f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 12 (Thread 0x7fd10ee42700 (LWP 1225)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fd0fd326570 in PR_WaitCondVar (cvar=0x557195ae43f0, timeout=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x557195de3300
#2  0x00007fd107127e4f in ?? ()
No symbol table info available.
#3  0x0000557195de3300 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 11 (Thread 0x7fd0f40dc700 (LWP 1226)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fd0fd326570 in PR_WaitCondVar (cvar=0x557195ae43f0, timeout=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x557195d9a300
#2  0x00007fd107127e4f in ?? ()
No symbol table info available.
#3  0x0000557195d9a300 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 10 (Thread 0x7fd0a2845700 (LWP 1409)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fd10c55787a in g_cond_wait_until () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd10c4e5a99 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd10c53a056 in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fd10c539685 in g_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd10c2b06da in start_thread (arg=0x7fd0a2845700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fd0a2845700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140534056507136, 5765760101053749886, 140730019658478, 140730019658479, 140534056507840, 140534056507136, -5790119165248546178, -5789940178758411650}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd10bfea17f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 9 (Thread 0x7fd0a1e0e700 (LWP 1410)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fd10c55787a in g_cond_wait_until () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd10c4e5a99 in g_async_queue_pop_intern_unlocked () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd10c53a056 in g_thread_pool_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fd10c539685 in g_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd10c2b06da in start_thread (arg=0x7fd0a1e0e700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fd0a1e0e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140534045796096, 5765760101053749886, 140730019658334, 140730019658335, 140534045796800, 140534045796096, -5790121128585471362, -5789940178758411650}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd10bfea17f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 8 (Thread 0x7fd0ec536700 (LWP 1232)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fd0fd326570 in PR_WaitCondVar (cvar=0x557195ae43f0, timeout=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x557195dac250
#2  0x00007fd107127e4f in ?? ()
No symbol table info available.
#3  0x0000557195dac250 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 7 (Thread 0x7fd0ec5b7700 (LWP 1231)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fd0fd326570 in PR_WaitCondVar (cvar=0x557195ae43f0, timeout=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x557195daac50
#2  0x00007fd107127e4f in ?? ()
No symbol table info available.
#3  0x0000557195daac50 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 6 (Thread 0x7fd0ec638700 (LWP 1230)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fd0fd326570 in PR_WaitCondVar (cvar=0x557195ae43f0, timeout=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x557195df72e0
#2  0x00007fd107127e4f in ?? ()
No symbol table info available.
#3  0x0000557195df72e0 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (Thread 0x7fd0ec7bb700 (LWP 1227)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fd0fd326570 in PR_WaitCondVar (cvar=0x557195ae43f0, timeout=4294967295) at ptsynch.c:396
        rv = <optimized out>
        thred = 0x557195d9fc00
#2  0x00007fd107127e4f in ?? ()
No symbol table info available.
#3  0x0000557195d9fc00 in ?? ()
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7fd0ecfbc700 (LWP 1217)):
#0  0x00007fd10bfde18d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fd108135df1 in poll (__timeout=30000, __nfds=3, __fds=0x7fd0d4006c70) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
No locals.
#2  poll_func (ufds=0x7fd0d4006c70, nfds=3, timeout=30000, userdata=0x557195db3430) at pulse/thread-mainloop.c:69
        mutex = 0x557195db3430
#3  0x00007fd108127601 in pa_mainloop_poll (m=m@entry=0x557195d83200) at pulse/mainloop.c:844
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#4  0x00007fd108127c9e in pa_mainloop_iterate (m=0x557195d83200, block=<optimized out>, retval=0x0) at pulse/mainloop.c:926
        r = 0
#5  0x00007fd108127d50 in pa_mainloop_run (m=0x557195d83200, retval=retval@entry=0x0) at pulse/mainloop.c:944
        r = <optimized out>
#6  0x00007fd108135d39 in thread (userdata=0x557195decfc0) at pulse/thread-mainloop.c:100
        m = 0x557195decfc0
        mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
        prev_mask = {__val = {0 <repeats 16 times>}}
        sa = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
#7  0x00007fd0fdfdf7d8 in internal_thread_func (userdata=0x557195d9f1d0) at pulsecore/thread-posix.c:81
        t = 0x557195d9f1d0
#8  0x00007fd10c2b06da in start_thread (arg=0x7fd0ecfbc700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fd0ecfbc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140535305848576, 5765760101053749886, 140730019678990, 140730019678991, 140535305849280, 140535305848576, -5790008766872298882, -5789940178758411650}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007fd10bfea17f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 3 (Thread 0x7fd0ef043700 (LWP 1198)):
#0  0x00007fd10bfde18d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fd10c511786 in g_main_context_iterate.isra () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd10c511b12 in g_main_loop_run () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd10caf98d6 in gdbus_shared_thread_func () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fd10c539685 in g_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd10c2b06da in start_thread (arg=0x7fd0ef043700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fd0ef043700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140535339955968, 5765760101053749886, 140730019677870, 140730019677871, 140535339956672, 140535339955968, -5790003719748855170, -5789940178758411650}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd10bfea17f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 2 (Thread 0x7fd0f55ca700 (LWP 1197)):
#0  0x00007fd10bfde18d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fd10c511786 in g_main_context_iterate.isra () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd10c51189c in g_main_context_iteration () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd10c5118e1 in glib_worker_main () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fd10c539685 in g_thread_proxy () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd10c2b06da in start_thread (arg=0x7fd0f55ca700) at pthread_create.c:456
        __res = <optimized out>
        pd = 0x7fd0f55ca700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140535446415104, 5765760101053749886, 140730019679070, 140730019679071, 140535446415808, 140535446415104, -5789954589081085314, -5789940178758411650}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd10bfea17f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
No locals.
.
Thread 1 (Thread 0x7fd10ee74ac0 (LWP 1195)):
#0  0x00007fd10dc9e103 in meta_monitor_get_main_output () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
No symbol table info available.
#1  0x00007fd10dc9e329 in meta_monitor_get_vendor () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
No symbol table info available.
#2  0x00007fd10dc95b54 in meta_input_settings_find_logical_monitor () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
No symbol table info available.
#3  0x00007fd10dc97219 in update_device_display () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
No symbol table info available.
#4  0x00007fd10c7ebd15 in g_closure_invoke () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007fd10c7fe462 in signal_emit_unlocked_R () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007fd10c8070bc in g_signal_emit_valist () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007fd10c80749f in g_signal_emit () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007fd10cb39dd6 in g_settings_real_change_event () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#9  0x00007fd10783ce18 in ffi_call_unix64 () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#10 0x00007fd10783c87a in ffi_call () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#11 0x00007fd10c7eca2a in g_cclosure_marshal_generic_va () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007fd10c7ebf44 in _g_closure_invoke_va () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007fd10c806881 in g_signal_emit_valist () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007fd10c80749f in g_signal_emit () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007fd10cb39a14 in settings_backend_changed () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#16 0x00007fd10cb3515a in g_settings_backend_invoke_closure () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#17 0x00007fd10c51143a in g_main_context_dispatch () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x00007fd10c5117f0 in g_main_context_iterate.isra () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x00007fd10c511b12 in g_main_loop_run () from /tmp/apport_sandbox_rPAroA/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007fd10dcd016c in meta_run () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
No symbol table info available.
#21 0x00005571953c01a7 in main ()
No symbol table info available.