.
Thread 5 (LWP 1768):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007fdbb19ea9d5 in g_cond_wait_until (cond=cond@entry=0x1ec4888, mutex=mutex@entry=0x1ec4880, end_time=end_time@entry=100539601) at /build/buildd/glib2.0-2.37.93/./glib/gthread-posix.c:876
        ts = {tv_sec = 100, tv_nsec = 539601000}
        status = <optimized out>
#2  0x00007fdbb1980c91 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x1ec4880, wait=wait@entry=1, end_time=end_time@entry=100539601) at /build/buildd/glib2.0-2.37.93/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007fdbb198121b in g_async_queue_timeout_pop (queue=0x1ec4880, timeout=timeout@entry=15000000) at /build/buildd/glib2.0-2.37.93/./glib/gasyncqueue.c:545
        end_time = 100539601
        retval = <optimized out>
#4  0x00007fdbb19cfe56 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.37.93/./glib/gthreadpool.c:169
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = <optimized out>
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.37.93/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#6  0x00007fdbb19cf3c5 in g_thread_proxy (data=0x21b8b70) at /build/buildd/glib2.0-2.37.93/./glib/gthread.c:798
        thread = 0x21b8b70
#7  0x00007fdbb174cf6e in start_thread (arg=0x7fdb6e88b700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fdb6e88b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140580429018880, 2857242722778415530, 0, 140581590425696, 140733815460176, 4096, -2877753916355313238, -2877353796035870294}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fdbb1477ecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 4 (LWP 1718):
#0  0x00007fdbb146b47d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fdbb19aa734 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x7fdb9c0008c0, timeout=3996, context=0x1b31ac0) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:4006
        poll_func = 0x7fdbb19b9370 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1b31ac0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = 3996
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7fdb9c0008c0
#3  0x00007fdbb19aa83c in g_main_context_iteration (context=0x1b31ac0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:3773
        retval = <optimized out>
#4  0x00007fdbb19aa889 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:5472
No locals.
#5  0x00007fdbb19cf3c5 in g_thread_proxy (data=0x1bf1000) at /build/buildd/glib2.0-2.37.93/./glib/gthread.c:798
        thread = 0x1bf1000
#6  0x00007fdbb174cf6e in start_thread (arg=0x7fdba3df6700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fdba3df6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140581323892480, 2857242722778415530, 0, 140581590425696, 140733815459104, 4096, -2877324483513351766, -2877353796035870294}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fdbb1477ecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 3 (LWP 1767):
#0  0x00007fdbb146b47d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fdbb19aa734 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fdb680010c0, timeout=-1, context=0x1d568b0) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:4006
        poll_func = 0x7fdbb19b9370 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1d568b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7fdb680010c0
#3  0x00007fdbb19aa83c in g_main_context_iteration (context=context@entry=0x1d568b0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:3773
        retval = <optimized out>
#4  0x00007fdbaa568a9d in dconf_gdbus_worker_thread (user_data=0x1d568b0) at dconf-gdbus-thread.c:81
        context = 0x1d568b0
#5  0x00007fdbb19cf3c5 in g_thread_proxy (data=0x21b89e0) at /build/buildd/glib2.0-2.37.93/./glib/gthread.c:798
        thread = 0x21b89e0
#6  0x00007fdbb174cf6e in start_thread (arg=0x7fdb6f08c700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fdb6f08c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140580437411584, 2857242722778415530, 0, 140581590425696, 140733815459120, 4096, -2877755016403811926, -2877353796035870294}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fdbb1477ecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 1717):
#0  0x00007fdbb146b47d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fdbb19aa734 in g_main_context_poll (priority=2147483647, n_fds=5, fds=0x7fdba40011c0, timeout=-1, context=0x1a054d0) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:4006
        poll_func = 0x7fdbb19b9370 <g_poll>
#2  g_main_context_iterate (context=0x1a054d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = 5
        fds = 0x7fdba40011c0
#3  0x00007fdbb19aab9a in g_main_loop_run (loop=0x1a05460) at /build/buildd/glib2.0-2.37.93/./glib/gmain.c:3906
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007fdbb23f52f6 in gdbus_shared_thread_func (user_data=0x1a054a0) at /build/buildd/glib2.0-2.37.93/./gio/gdbusprivate.c:278
        data = 0x1a054a0
#5  0x00007fdbb19cf3c5 in g_thread_proxy (data=0x19965e0) at /build/buildd/glib2.0-2.37.93/./glib/gthread.c:798
        thread = 0x19965e0
#6  0x00007fdbb174cf6e in start_thread (arg=0x7fdba9a05700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fdba9a05700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140581420422912, 2857242722778415530, 0, 140581590425696, 140733815457184, 4096, -2877337960583855702, -2877353796035870294}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fdbb1477ecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 1715):
#0  magazine_chain_pop_head (magazine_chunks=0x1966660) at /build/buildd/glib2.0-2.37.93/./glib/gslice.c:545
        chunk = 0x202000646c696863
#1  thread_memory_magazine1_alloc (tmem=<optimized out>, ix=0) at /build/buildd/glib2.0-2.37.93/./glib/gslice.c:848
        mag = 0x1966660
#2  g_slice_alloc (mem_size=mem_size@entry=16) at /build/buildd/glib2.0-2.37.93/./glib/gslice.c:1007
        ix = 0
        tmem = 0x202000646c696863
        chunk_size = 16
        mem = <optimized out>
#3  0x00007fdbb19c6a26 in g_slist_prepend (list=0x1cfc500, data=0x23594a0) at /build/buildd/glib2.0-2.37.93/./glib/gslist.c:267
        new_list = 0x1966650
#4  0x00007fdbb2d5f2bf in ?? () from /tmp/apport_sandbox_H1ET9B/usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#5  0x00007fff25140830 in ?? ()
No symbol table info available.
#6  0x0000000002358e60 in ?? ()
No symbol table info available.
#7  0x00007fff25140760 in ?? ()
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.