.
Thread 7 (LWP 2104):
#0  0x00007f5516edd3dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f54edb0f041 in poll (__timeout=29989, __nfds=2, __fds=0x7f54e0001070) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
No locals.
#2  poll_func (ufds=0x7f54e0001070, nfds=2, timeout=29989, userdata=0x1cd31a0) at pulse/thread-mainloop.c:69
        mutex = 0x1cd31a0
#3  0x00007f54edb0084c in pa_mainloop_poll (m=m@entry=0x1db4650) at pulse/mainloop.c:850
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#4  0x00007f54edb00ede in pa_mainloop_iterate (m=m@entry=0x1db4650, block=block@entry=1, retval=retval@entry=0x0) at pulse/mainloop.c:932
        r = <optimized out>
        __func__ = "pa_mainloop_iterate"
        __PRETTY_FUNCTION__ = "pa_mainloop_iterate"
#5  0x00007f54edb00f90 in pa_mainloop_run (m=0x1db4650, retval=retval@entry=0x0) at pulse/mainloop.c:950
        r = <optimized out>
#6  0x00007f54edb0eff3 in thread (userdata=0x1cdb3c0) at pulse/thread-mainloop.c:88
        m = 0x1cdb3c0
        mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
#7  0x00007f54ed8bdee8 in internal_thread_func (userdata=0x1c2fe30) at pulsecore/thread-posix.c:83
        t = 0x1c2fe30
#8  0x00007f55171bef6e in start_thread (arg=0x7f54e4cee700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f54e4cee700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140002592745216, -4612775663656309661, 0, 29661072, 140003436693280, 24, 4707925603537579107, 4707966742370774115}, 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"
#9  0x00007f5516ee9e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 6 (LWP 2075):
#0  0x00007f5516edd3dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f551741c5c4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f54d40010c0, timeout=-1, context=0x1cef260) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:4006
        poll_func = 0x7f551742b220 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1cef260, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f54d40010c0
#3  0x00007f551741c6cc in g_main_context_iteration (context=0x1cef260, may_block=1) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3773
        retval = <optimized out>
#4  0x00007f550fe3ea9d in ?? () from /tmp/apport_sandbox_J7gMT0/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#5  0x00007f5517441275 in g_thread_proxy (data=0x1b3f050) at /build/buildd/glib2.0-2.37.6/./glib/gthread.c:798
        thread = 0x1b3f050
#6  0x00007f55171bef6e in start_thread (arg=0x7f54dbffe700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f54dbffe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140002444961536, -4612775663656309661, 0, 140003474624608, 140736350070368, 4096, 4707835039857175651, 4707966742370774115}, 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  0x00007f5516ee9e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 5 (LWP 2067):
#0  0x00007f5516edd3dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f551741c5c4 in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x7f55000008c0, timeout=3996, context=0x16d6b40) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:4006
        poll_func = 0x7f551742b220 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x16d6b40, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = 3996
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7f55000008c0
#3  0x00007f551741c6cc in g_main_context_iteration (context=0x16d6b40, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3773
        retval = <optimized out>
#4  0x00007f551741c719 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:5472
No locals.
#5  0x00007f5517441275 in g_thread_proxy (data=0x16c28a0) at /build/buildd/glib2.0-2.37.6/./glib/gthread.c:798
        thread = 0x16c28a0
#6  0x00007f55171bef6e in start_thread (arg=0x7f550da7c700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f550da7c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140003278046976, -4612775663656309661, 0, 140003474624608, 140736350075808, 4096, 4708016114604633187, 4707966742370774115}, 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  0x00007f5516ee9e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 4 (LWP 2105):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007f551745c885 in g_cond_wait_until (cond=cond@entry=0x1c407b8, mutex=mutex@entry=0x1c407b0, end_time=end_time@entry=165731969) at /build/buildd/glib2.0-2.37.6/./glib/gthread-posix.c:876
        ts = {tv_sec = 165, tv_nsec = 731969000}
        status = <optimized out>
#2  0x00007f55173f2c61 in g_async_queue_pop_intern_unlocked (queue=0x1c407b0, wait=wait@entry=1, end_time=165731969) at /build/buildd/glib2.0-2.37.6/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f55173f3228 in g_async_queue_timeout_pop_unlocked (queue=<optimized out>, timeout=timeout@entry=500000) at /build/buildd/glib2.0-2.37.6/./glib/gasyncqueue.c:572
        end_time = <optimized out>
#4  0x00007f5517441c08 in g_thread_pool_wait_for_new_task (pool=0x1b3fb60) at /build/buildd/glib2.0-2.37.6/./glib/gthreadpool.c:264
        task = <optimized out>
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gthreadpool.c:298
        task = 0x7f550800b520
        pool = 0x1b3fb60
#6  0x00007f5517441275 in g_thread_proxy (data=0x1e13ca0) at /build/buildd/glib2.0-2.37.6/./glib/gthread.c:798
        thread = 0x1e13ca0
#7  0x00007f55171bef6e in start_thread (arg=0x7f54d8bb5700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f54d8bb5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140002390136576, -4612775663656309661, 0, 140003474624608, 140003305814080, 4096, 4707829031734799459, 4707966742370774115}, 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  0x00007f5516ee9e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 3 (LWP 2066):
#0  0x00007f5516edd3dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f551741c5c4 in g_main_context_poll (priority=2147483647, n_fds=3, fds=0x7f55080010c0, timeout=-1, context=0x14f08a0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:4006
        poll_func = 0x7f551742b220 <g_poll>
#2  g_main_context_iterate (context=0x14f08a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3707
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = 3
        fds = 0x7f55080010c0
#3  0x00007f551741ca2a in g_main_loop_run (loop=0x14f0830) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:3906
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f5517e66956 in gdbus_shared_thread_func (user_data=0x14f0870) at /build/buildd/glib2.0-2.37.6/./gio/gdbusprivate.c:278
        data = 0x14f0870
#5  0x00007f5517441275 in g_thread_proxy (data=0x147ba30) at /build/buildd/glib2.0-2.37.6/./glib/gthread.c:798
        thread = 0x147ba30
#6  0x00007f55171bef6e in start_thread (arg=0x7f550f4f8700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f550f4f8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140003305817856, -4612775663656309661, 0, 140003474624608, 140736350074880, 4096, 4708019075984583779, 4707966742370774115}, 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  0x00007f5516ee9e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 2068):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f54e96bb10b in pipe_semaphore_wait (sema=0x187ca40) at ../../../../../../../src/gallium/auxiliary/os/os_thread.h:434
No locals.
#2  radeon_drm_cs_emit_ioctl (param=0x187c840) at ../../../../../../../src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:553
        ws = 0x187c840
        cs = <optimized out>
        i = <optimized out>
        empty_stack = <optimized out>
#3  0x00007f55171bef6e in start_thread (arg=0x7f54e71ac700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f54e71ac700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140002631272192, -4612775663656309661, 0, 140003474624608, 140003436693280, 4096, 4707931546698574947, 4707966742370774115}, 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"
#4  0x00007f5516ee9e2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 2064):
#0  0x00007f5516e26f77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 2064
        selftid = 2064
#1  0x00007f5516e2a5e8 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fffbc27213a, sa_sigaction = 0x7fffbc27213a}, sa_mask = {__val = {6, 140003434255340, 2, 140736350069070, 2, 140003434244308, 1, 140003434255336, 3, 140736350069044, 12, 140003434255340, 2, 140736350069856, 48, 140736350071616}}, sa_flags = 97, sa_restorer = 0x7}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f5516e644fb in __libc_message (do_abort=do_abort@entry=2, fmt=fmt@entry=0x7f5516f776a0 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:199
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fffbc272b50, reg_save_area = 0x7fffbc272a60}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fffbc272b50, reg_save_area = 0x7fffbc272a60}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f5516e70996 in malloc_printerr (ptr=0x1683200, str=0x7f5516f77868 "double free or corruption (fasttop)", action=3) at malloc.c:4902
        buf = "0000000001683200"
        cp = <optimized out>
#4  _int_free (av=<optimized out>, p=0x16831f0, have_lock=0) at malloc.c:3758
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
        __func__ = "_int_free"
#5  0x00007f54e6559de8 in update_theme (chooser=0x1ce4b00) at gvc-sound-theme-chooser.c:683
        events_enabled = 1
        last_theme = 0x1683200 "\020B\345\001"
#6  0x00007f55176e7e59 in g_cclosure_marshal_VOID__STRINGv (closure=0x1cfb4f0, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1ce6d60) at /build/buildd/glib2.0-2.37.6/./gobject/gmarshal.c:1004
        cc = 0x1cfb4f0
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x1a6062b
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffbc272f40, reg_save_area = 0x7fffbc272e80}}
#7  0x00007f55176e5517 in _g_closure_invoke_va (closure=0x1cfb4f0, return_value=0x0, instance=0x1abcc80, args=0x7fffbc272e68, n_params=1, param_types=0x1ce6d60) at /build/buildd/glib2.0-2.37.6/./gobject/gclosure.c:840
        marshal = 0x7f55176e7dd0 <g_cclosure_marshal_VOID__STRINGv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x1cfb4d0
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#8  0x00007f55176ff34c in g_signal_emit_valist (instance=0x1abcc80, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffbc272e68) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3234
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        accumulator = 0x0
        emission = {next = 0x7fffbc273360, instance = 0x1abcc80, ihint = {signal_id = 330, detail = 3962, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 30291472}
        signal_id = 330
        instance_type = <optimized out>
        emission_return = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        rtype = 4
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = 0x1cfb4f0
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
        __FUNCTION__ = "g_signal_emit_valist"
#9  0x00007f55176ffc22 in g_signal_emit (instance=instance@entry=0x1abcc80, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3382
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffbc272f40, reg_save_area = 0x7fffbc272e80}}
#10 0x00007f5517e4507c in g_settings_real_change_event (settings=0x1abcc80, keys=<optimized out>, n_keys=1) at /build/buildd/glib2.0-2.37.6/./gio/gsettings.c:288
        key = 0x1a6062b "theme-name"
        i = 0
#11 0x00007f55133f0adc in ffi_call_unix64 () at ../src/x86/unix64.S:76
No locals.
#12 0x00007f55133f040c in ffi_call (cif=cif@entry=0x7fffbc2731e0, fn=0x7f5517e45010 <g_settings_real_change_event>, rvalue=0x7fffbc273110, avalue=avalue@entry=0x7fffbc2730b0) at ../src/x86/ffi64.c:522
        classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 3156685280, 32767}
        stack = 0x7fffbc272ed0 "\200\314\253\001"
        argp = 0x7fffbc272f80 "\n"
        arg_types = <optimized out>
        gprcount = 4
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = 0x7fffbc272ed0
#13 0x00007f55176e5f85 in g_cclosure_marshal_generic_va (closure=0x1c0a9c0, return_value=0x7fffbc273320, instance=0x1abcc80, args_list=<optimized out>, marshal_data=0x7f5517e45010 <g_settings_real_change_event>, n_params=2, param_types=0x1ce3680) at /build/buildd/glib2.0-2.37.6/./gobject/gclosure.c:1550
        rtype = 0x7f55133f0e10 <ffi_type_sint32>
        rvalue = 0x7fffbc273110
        n_args = 4
        atypes = 0x7fffbc2730e0
        args = 0x7fffbc2730b0
        storage = 0x7fffbc273090
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 4, arg_types = 0x7fffbc2730e0, rtype = 0x7f55133f0e10 <ffi_type_sint32>, bytes = 0, flags = 10}
        cc = 0x1c0a9c0
        enum_tmpval = <optimized out>
        tmpval_used = 0
        args_copy = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fffbc273500, reg_save_area = 0x7fffbc273440}}
#14 0x00007f55176e5517 in _g_closure_invoke_va (closure=0x1c0a9c0, return_value=0x7fffbc273320, instance=0x1abcc80, args=0x7fffbc273428, n_params=2, param_types=0x1ce3680) at /build/buildd/glib2.0-2.37.6/./gobject/gclosure.c:840
        marshal = 0x7f55176e3a60 <g_type_class_meta_marshalv>
        marshal_data = 0xa0
        in_marshal = 0
        real_closure = 0x1c0a9a0
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#15 0x00007f55176ff34c in g_signal_emit_valist (instance=0x1abcc80, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffbc273428) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3234
        return_accu = 0x7fffbc273320
        accu = {g_type = 20, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        accumulator = 0x1b54600
        emission = {next = 0x7fffbc273a10, instance = 0x1abcc80, ihint = {signal_id = 331, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 30291472}
        signal_id = 331
        instance_type = <optimized out>
        emission_return = {g_type = 20, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        rtype = 20
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = 0x1c0a9c0
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
        __FUNCTION__ = "g_signal_emit_valist"
#16 0x00007f55176ffc22 in g_signal_emit (instance=instance@entry=0x1abcc80, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3382
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffbc273500, reg_save_area = 0x7fffbc273440}}
#17 0x00007f5517e463ae in settings_backend_changed (target=<optimized out>, backend=<optimized out>, key=<optimized out>, origin_tag=<optimized out>) at /build/buildd/glib2.0-2.37.6/./gio/gsettings.c:348
        quark = 3962
        settings = 0x1abcc80
        ignore_this = 390448465
        i = <optimized out>
#18 0x00007f5517e41c0a in g_settings_backend_invoke_closure (user_data=0x1e40680) at /build/buildd/glib2.0-2.37.6/./gio/gsettingsbackend.c:271
        closure = 0x1e40680
#19 0x00007f551741d445 in g_main_context_invoke_full (context=0x148e900, priority=0, function=0x7f5517e41bf0 <g_settings_backend_invoke_closure>, data=0x1e40680, notify=0x0) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:5431
        __PRETTY_FUNCTION__ = "g_main_context_invoke_full"
#20 0x00007f551741d570 in g_main_context_invoke (context=<optimized out>, function=<optimized out>, data=<optimized out>) at /build/buildd/glib2.0-2.37.6/./glib/gmain.c:5392
No locals.
#21 0x00007f5517e41cf7 in g_settings_backend_dispatch_signal (backend=backend@entry=0x1b3b310, function_offset=function_offset@entry=0, name=name@entry=0x1c14890 "/org/gnome/desktop/sound/theme-name", data1=data1@entry=0x0, data1_copy=0x7f5517e41960 <pointer_id>, data1_copy@entry=0x0, data1_free=0x7f5517e41970 <pointer_ignore>, data1_free@entry=0x0, data2=data2@entry=0x0) at /build/buildd/glib2.0-2.37.6/./gio/gsettingsbackend.c:353
        closure = 0x1e40680
        suffix = <optimized out>
        watch = 0x1654460
        next = 0x1654520
#22 0x00007f5517e4222a in g_settings_backend_changed (backend=0x1b3b310, key=0x1c14890 "/org/gnome/desktop/sound/theme-name", origin_tag=0x0) at /build/buildd/glib2.0-2.37.6/./gio/gsettingsbackend.c:400
        __PRETTY_FUNCTION__ = "g_settings_backend_changed"
#23 0x00007f550fe3c21b in ?? () from /tmp/apport_sandbox_J7gMT0/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#24 0x00007f550fe3d089 in ?? () from /tmp/apport_sandbox_J7gMT0/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#25 0x00007f550fe3bd9b in ?? () from /tmp/apport_sandbox_J7gMT0/usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#26 0x00007f5517e42774 in g_settings_backend_write (backend=0x1b3b310, key=key@entry=0x16804c0 "/org/gnome/desktop/sound/theme-name", value=value@entry=0x7f54d4004aa0, origin_tag=origin_tag@entry=0x0) at /build/buildd/glib2.0-2.37.6/./gio/gsettingsbackend.c:778
        success = <optimized out>
#27 0x00007f5517e457a3 in g_settings_write_to_backend (settings=settings@entry=0x1abcc80, value=value@entry=0x7f54d4004aa0, key=0x7fffbc273730) at /build/buildd/glib2.0-2.37.6/./gio/gsettings.c:1020
        success = <optimized out>
        path = 0x16804c0 "/org/gnome/desktop/sound/theme-name"
#28 0x00007f5517e46f73 in g_settings_set_value (settings=0x1abcc80, key=0x7f54e656bc44 "theme-name", value=0x7f54d4004aa0) at /build/buildd/glib2.0-2.37.6/./gio/gsettings.c:1368
        skey = {schema = 0x1b37540, name = 0x1a6062b "theme-name", is_flags = 0, is_enum = 0, strinfo = 0x0, strinfo_length = 0, unparsed = 0x0, lc_char = 0 '\000', type = 0x7f55174b2482 <g_variant_type_info_basic_chars+34>, minimum = 0x0, maximum = 0x0, default_value = 0x7f550800bb80}
        success = <optimized out>
        __PRETTY_FUNCTION__ = "g_settings_set_value"
#29 0x00007f54e655991d in update_alert (chooser=chooser@entry=0x1ce4b00, alert_id=<optimized out>) at gvc-sound-theme-chooser.c:433
        is_custom = <optimized out>
        is_default = <optimized out>
        add_custom = 1
        remove_custom = 0
#30 0x00007f54e6559b17 in on_treeview_selection_changed (selection=<optimized out>, chooser=0x1ce4b00) at gvc-sound-theme-chooser.c:519
        model = 0x1a32240
        iter = {stamp = -63098656, user_data = 0x1c53630, user_data2 = 0x0, user_data3 = 0x0}
        id = 0x1c641c0 "/usr/share/sounds/gnome/default/alerts/bark.ogg"
#31 0x00007f55176e5517 in _g_closure_invoke_va (closure=0x1cefcc0, return_value=0x0, instance=0x1b3f2b0, args=0x7fffbc273ad8, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.37.6/./gobject/gclosure.c:840
        marshal = 0x7f55176e7070 <g_cclosure_marshal_VOID__VOIDv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x1cefca0
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#32 0x00007f55176ff34c in g_signal_emit_valist (instance=0x1b3f2b0, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffbc273ad8) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3234
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        accumulator = 0x0
        emission = {next = 0x7fffbc273e40, instance = 0x1b3f2b0, ihint = {signal_id = 290, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 25116672}
        signal_id = 290
        instance_type = <optimized out>
        emission_return = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        rtype = 4
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = 0x1cefcc0
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
        __FUNCTION__ = "g_signal_emit_valist"
#33 0x00007f55176ffc22 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.37.6/./gobject/gsignal.c:3382
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffbc273bb0, reg_save_area = 0x7fffbc273af0}}
#34 0x00007f551896431c in gtk_tree_view_real_set_cursor (tree_view=0x1b2ced0, path=0x17ea420, flags=<optimized out>) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtktreeview.c:13248
        new_tree = 0x0
        new_node = 0x0
#35 0x00007f5518968886 in gtk_tree_view_button_press (widget=0x1b2ced0, event=0x1c6f990) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtktreeview.c:3049
        pre_val = <optimized out>
        aft_val = <optimized out>
        column_handled_click = 0
        path = 0x17ea420
        new_y = <optimized out>
        y_offset = <optimized out>
        dval = <optimized out>
        rtl = 4
        extend_mod_mask = <optimized out>
        modify_mod_mask = <optimized out>
        node = 0x1b37600
        tree = 0x1d039a0
        depth = 1
        column = 0x1bfc5b0
        row_double_click = 0
        node_selected = <optimized out>
        tree_view = 0x1b2ced0
        list = <optimized out>
        column = 0x0
        i = <optimized out>
        background_area = {x = 0, y = 27, width = 678, height = 27}
        cell_area = {x = 2, y = 27, width = 674, height = 27}
        vertical_separator = 0
        horizontal_separator = 4
        rtl = <optimized out>
#36 0x00007f551885e1dc in _gtk_marshal_BOOLEAN__BOXED (closure=0x810, return_value=0x810, n_param_values=6, param_values=0xffffffffffffffff, invocation_hint=0x0, marshal_data=0xd) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmarshalers.c:71
        callback = <optimized out>
        cc = 0x14675e0
        data1 = <optimized out>
        data2 = <optimized out>
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#37 0x00000000bc273d00 in ?? ()
No symbol table info available.
#38 0x00007f55176e3be0 in ?? () at /build/buildd/glib2.0-2.37.6/./gobject/gclosure.c:1090 from /tmp/apport_sandbox_J7gMT0/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No locals.
#39 0x0000000000000000 in ?? ()
No symbol table info available.