[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ff552f3e700 (LWP 6520)]
[New Thread 0x7ff55394e700 (LWP 6519)]
0x00007ff56010e9fc in allocator_get_magazine_threshold (ix=<optimized out>, allocator=<optimized out>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gslice.c:575

Thread 3 (Thread 0x7ff55394e700 (LWP 6519)):
#0  0x00007ff55fbd3e33 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ff5600f4624 in g_main_context_poll (n_fds=3, fds=0x7ff54c0008b0, timeout=-1, context=0x193a120, priority=<optimized out>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3440
        poll_func = 0x7ff560102410 <g_poll>
#2  g_main_context_iterate (context=0x193a120, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3141
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x7ff54c0008b0
#3  0x00007ff5600f4a82 in g_main_loop_run (loop=0x193b830) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3340
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007ff5608dfa86 in gdbus_shared_thread_func (user_data=0x193a0f0) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./gio/gdbusprivate.c:277
        data = 0x193a0f0
#5  0x00007ff560116f45 in g_thread_proxy (data=0x19372d0) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gthread.c:801
        thread = 0x19372d0
#6  0x00007ff55fe94b50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007ff55fbdea7d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 2 (Thread 0x7ff552f3e700 (LWP 6520)):
#0  0x00007ff55fbd3e33 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007ff5600f4624 in g_main_context_poll (n_fds=1, fds=0x194f120, timeout=-1, context=0x1951950, priority=<optimized out>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3440
        poll_func = 0x7ff560102410 <g_poll>
#2  g_main_context_iterate (context=0x1951950, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3141
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x194f120
#3  0x00007ff5600f4a82 in g_main_loop_run (loop=0x19a3330) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gmain.c:3340
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007ff552f49efb in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#5  0x00007ff560116f45 in g_thread_proxy (data=0x193cc00) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gthread.c:801
        thread = 0x193cc00
#6  0x00007ff55fe94b50 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007ff55fbdea7d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000000000 in ?? ()
No symbol table info available.

Thread 1 (Thread 0x7ff562b15920 (LWP 6518)):
#0  0x00007ff56010e9fc in allocator_get_magazine_threshold (ix=<optimized out>, allocator=<optimized out>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gslice.c:575
        threshold = <optimized out>
        contention_counter = <optimized out>
        chunk_size = <optimized out>
#1  thread_memory_magazine2_is_full (ix=2, tmem=<optimized out>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gslice.c:827
No locals.
#2  g_slice_free1 (mem_size=<optimized out>, mem_block=0x8199ac0) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/gslice.c:1089
        _g_boolean_var_ = <optimized out>
        tmem = 0x8fcf20
        ix = 2
        chunk_size = 48
        acat = 32
#3  0x00007ff5600c9905 in array_free (array=0x8199ac0, flags=<optimized out>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./glib/garray.c:380
        segment = 0x0
#4  0x00007ff5603d7fb3 in g_value_copy (src_value=0x6773130, dest_value=0x7d31cc0) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./gobject/gvalue.c:218
        dest_type = 220
        value_table = 0x1768678
        __PRETTY_FUNCTION__ = "g_value_copy"
#5  0x00007ff5622c751e in copy_garray_of_gstvalue (src=<optimized out>) at gstvalue.c:230
        dest = 0x8199720
        i = <optimized out>
        len = <optimized out>
#6  0x00007ff5622c7610 in gst_value_copy_list_or_array (src_value=<optimized out>, dest_value=0x7d69db0) at gstvalue.c:241
No locals.
#7  0x00007ff5622c751e in copy_garray_of_gstvalue (src=<optimized out>) at gstvalue.c:230
        dest = 0x819b550
        i = <optimized out>
        len = <optimized out>
#8  0x00007ff5622c7610 in gst_value_copy_list_or_array (src_value=<optimized out>, dest_value=0x80be630) at gstvalue.c:241
No locals.
#9  0x00007ff5622c751e in copy_garray_of_gstvalue (src=<optimized out>) at gstvalue.c:230
        dest = 0x81a3290
        i = <optimized out>
        len = <optimized out>
#10 0x00007ff5622c7610 in gst_value_copy_list_or_array (src_value=<optimized out>, dest_value=0x80a5c08) at gstvalue.c:241
No locals.
#11 0x00007ff5622c751e in copy_garray_of_gstvalue (src=<optimized out>) at gstvalue.c:230
        dest = 0x81bf000
        i = <optimized out>
        len = <optimized out>
#12 0x00007ff5622c7610 in gst_value_copy_list_or_array (src_value=<optimized out>, dest_value=0x7fffff0fb8f8) at gstvalue.c:241
No locals.
#13 0x00007ff5622acc53 in gst_structure_id_set_value_internal (value=0x7fffff0fb930, field=3984, structure=0x7696860) at gststructure.c:433
        gsfield = {name = 3984, value = {g_type = 220, 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}}}}
#14 gst_structure_id_set_value (structure=0x7696860, field=3984, value=0x7fffff0fb930) at gststructure.c:457
No locals.
#15 0x00007ff5622ad725 in gst_structure_intersect_field1 (id=3984, val1=0x1d1f9e8, data=0x7fffff0fb9a0) at gststructure.c:2982
        dest_value = {g_type = 220, data = {{v_int = 124347584, v_uint = 124347584, v_long = 124347584, v_ulong = 124347584, v_int64 = 124347584, v_uint64 = 124347584, v_float = 1.75585795e-34, v_double = 6.1435869397758655e-316, v_pointer = 0x76964c0}, {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}}}
        idata = 0x7fffff0fb9a0
        val2 = <optimized out>
#16 0x00007ff5622adc81 in gst_structure_foreach (structure=0x1d226a0, func=0x7ff5622ad6c0 <gst_structure_intersect_field1>, user_data=0x7fffff0fb9a0) at gststructure.c:1097
        i = <optimized out>
        len = <optimized out>
        field = <optimized out>
        ret = <optimized out>
#17 0x00007ff5622b0980 in gst_structure_intersect (struct1=0x1d226a0, struct2=0x1ebdf30) at gststructure.c:3030
        _g_boolean_var_ = <optimized out>
        data = {dest = 0x7696860, intersect = 0x1ebdf30}
#18 0x00007ff562269ab3 in gst_caps_intersect_first (caps2=0x1c2b8c0, caps1=0x1c2bb80) at gstcaps.c:1423
        i = <optimized out>
        len1 = <optimized out>
        struct2 = <optimized out>
        dest = 0x1c70440
        j = <optimized out>
        len2 = 350
        struct1 = 0x1d226a0
        istruct = <optimized out>
#19 gst_caps_intersect_full (caps1=0x1c2bb80, caps2=0x1c2b8c0, mode=<optimized out>) at gstcaps.c:1454
        __PRETTY_FUNCTION__ = "gst_caps_intersect_full"
#20 0x00007ff55a8905a9 in gst_base_transform_getcaps (pad=0x1c5ae10) at gstbasetransform.c:768
        trans = 0x1ca6120
        otherpad = <optimized out>
        templ = <optimized out>
        peercaps = 0x1c2bb80
        caps = 0x1c2b8c0
        temp = 0x1c2b8c0
        samecaps = <optimized out>
        cache_index = 0
        __PRETTY_FUNCTION__ = "gst_base_transform_getcaps"
#21 0x00007ff56228864a in gst_pad_get_caps_unlocked (pad=0x1c5ae10) at gstpad.c:2254
        result = 0x0
        templ = <optimized out>
        __PRETTY_FUNCTION__ = "gst_pad_get_caps_unlocked"
#22 0x00007ff56228bcfa in gst_pad_get_caps_reffed (pad=0x1c5ae10) at gstpad.c:2338
        result = 0x0
        __PRETTY_FUNCTION__ = "gst_pad_get_caps_reffed"
#23 0x00007ff5622be89b in gst_element_get_compatible_pad (element=0x1e28030, pad=0x1c5ae10, caps=0x0) at gstutils.c:1146
        temp = <optimized out>
        intersection = <optimized out>
        compatible = <optimized out>
        peer = 0x0
        current = 0x1ca8050
        srcpad = 0x1c5ae10
        sinkpad = 0x1ca8050
        padptr = 0x1ca8050
        pads = 0x1e26460
        templ = <optimized out>
        templcaps = <optimized out>
        foundpad = 0x0
        done = 0
        __PRETTY_FUNCTION__ = "gst_element_get_compatible_pad"
#24 0x00007ff5622bf93a in gst_element_link_pads_full (src=src@entry=0x1ca6120, srcpadname=<optimized out>, srcpadname@entry=0x0, dest=dest@entry=0x1e28030, destpadname=<optimized out>, destpadname@entry=0x0, flags=flags@entry=GST_PAD_LINK_CHECK_CAPS) at gstutils.c:1799
        temp = <optimized out>
        srcpads = 0x7ff54c048360
        destpads = <optimized out>
        srctempls = <optimized out>
        desttempls = <optimized out>
        l = <optimized out>
        srcpad = 0x1c5ae10
        destpad = <optimized out>
        srctempl = <optimized out>
        desttempl = <optimized out>
        srcclass = <optimized out>
        destclass = <optimized out>
        __PRETTY_FUNCTION__ = "gst_element_link_pads_full"
#25 0x00007ff546f3c0ea in gst_camerabin_try_add_element (bin=bin@entry=0x1be60a0, new_elem=new_elem@entry=0x1e28030) at camerabingeneral.c:99
        bin_pad = <optimized out>
        bin_elem = 0x1ca6120
        ret = 1
        __PRETTY_FUNCTION__ = "gst_camerabin_try_add_element"
        __FUNCTION__ = "gst_camerabin_try_add_element"
#26 0x00007ff546f3c28f in gst_camerabin_add_element (bin=bin@entry=0x1be60a0, new_elem=new_elem@entry=0x1e28030) at camerabingeneral.c:56
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_camerabin_add_element"
        __FUNCTION__ = "gst_camerabin_add_element"
#27 0x00007ff546f3c47d in gst_camerabin_create_and_add_element (bin=bin@entry=0x1be60a0, elem_name=<optimized out>, elem_name@entry=0x7ff546f3e3fd "videoscale", instance_name=instance_name@entry=0x7ff546f3e3f9 "src-videoscale") at camerabingeneral.c:146
        new_elem = 0x1e28030
        __PRETTY_FUNCTION__ = "gst_camerabin_create_and_add_element"
        __FUNCTION__ = "gst_camerabin_create_and_add_element"
#28 0x00007ff546f307a0 in camerabin_create_src_elements (camera=0x1be60a0) at gstcamerabin.c:623
        ret = 0
        cbin = 0x1be60a0
        driver_name = 0x0
#29 camerabin_create_elements (camera=0x1be60a0) at gstcamerabin.c:779
        ret = 0
        link_ret = GST_PAD_LINK_REFUSED
        unconnected_pad = <optimized out>
#30 gst_camerabin_change_state (element=0x1be60a0, transition=GST_STATE_CHANGE_NULL_TO_READY) at gstcamerabin.c:3892
        camera = 0x1be60a0
        ret = <optimized out>
        __FUNCTION__ = "gst_camerabin_change_state"
#31 0x00007ff562274fcc in gst_element_change_state (element=<optimized out>, transition=<optimized out>) at gstelement.c:2761
        oclass = <optimized out>
        ret = GST_STATE_CHANGE_SUCCESS
        __PRETTY_FUNCTION__ = "gst_element_change_state"
#32 0x00007ff562275922 in gst_element_set_state_func (element=0x1be60a0, state=GST_STATE_PLAYING) at gstelement.c:2717
        current = GST_STATE_NULL
        next = <optimized out>
        old_pending = <optimized out>
        ret = <optimized out>
        transition = GST_STATE_CHANGE_NULL_TO_READY
        old_ret = <optimized out>
        __PRETTY_FUNCTION__ = "gst_element_set_state_func"
#33 0x00007ff5627316c4 in cheese_camera_play (camera=0x1a24d00) at libcheese/cheese-camera.c:716
        priv = 0x1a24d20
        device = 0x1bc5cc0
        caps = 0x1c2b9c0
        __PRETTY_FUNCTION__ = "cheese_camera_play"
#34 0x0000000000423b22 in cheese_main_window_setup_camera (self=0x19a4020, uri=0x0) at src/cheese-window.c:5057
        device = 0x1a63ef0 ""
        value = 1
        _tmp0_ = 0
        _tmp1_ = 0x0
        _tmp5_ = 0
        _tmp10_ = 0x1aa2130
        _tmp11_ = 0x1a63ef0 ""
        _tmp12_ = 0x1a090a0
        _tmp13_ = 0
        _tmp14_ = 0x1a090a0
        _tmp15_ = 0
        _tmp16_ = 0x1a24d00
        _tmp26_ = 0x1a090a0
        _tmp27_ = 0
        _tmp28_ = 0
        _tmp31_ = 0x1a090a0
        _tmp32_ = 1
        _tmp33_ = 1
        _tmp36_ = 0x1a090a0
        _tmp37_ = 0
        _tmp38_ = 0
        _tmp41_ = 0x1a090a0
        _tmp42_ = 1
        _tmp43_ = 1
        _tmp46_ = 0x1a24d00
        _tmp47_ = 0x1a24d00
        _inner_error_ = 0x0
        __PRETTY_FUNCTION__ = "cheese_main_window_setup_camera"
#35 0x0000000000424f34 in cheese_main_on_app_activate (self=0x1705760) at src/cheese-main.c:205
        _tmp3_ = 0x9634a0
        gtk_settings = 0x9634a0
        _tmp7_ = 0x19a4020
        _tmp13_ = 0x19a4020
        _tmp20_ = 0x19a4020
        _tmp2_ = 0x9634a0
        _tmp6_ = 0x19a4020
        _tmp12_ = 0x19a4020
        _tmp16_ = 0
        _tmp9_ = 0x95aac0
        _tmp11_ = 0x0
        _tmp19_ = 0x19a4020
        _tmp4_ = 0x9634a0
        _tmp8_ = 0x7ff562b58bf5 "Cheese"
        _tmp10_ = 0x194d970 "0\216\224\001"
        _tmp14_ = 0
        _tmp18_ = 0x19a4020
        _tmp21_ = 0x0
        _tmp0_ = 0x0
        __PRETTY_FUNCTION__ = "cheese_main_on_app_activate"
#36 0x00000000004258b1 in _cheese_main_on_app_activate_g_application_activate (_sender=0x1705760, self=0x1705760) at src/cheese-main.c:436
No locals.
#37 0x00007ff5603b36e0 in g_closure_invoke (closure=0x192fcc0, return_value=0x0, n_param_values=1, param_values=0x7fffff0fc3c0, invocation_hint=0x7fffff0fc360) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./gobject/gclosure.c:777
        marshal = 0x7ff5603b5510 <g_cclosure_marshal_VOID__VOID>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x192fca0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#38 0x00007ff5603c4750 in signal_emit_unlocked_R (node=node@entry=0x1777000, detail=detail@entry=0, instance=instance@entry=0x1705760, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffff0fc3c0) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./gobject/gsignal.c:3551
        tmp = <optimized out>
        handler = 0x1815290
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x1705760, ihint = {signal_id = 201, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x192d960
        hlist = 0x1815290
        handler_list = 0x1815290
        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}}}
        signal_id = 201
        max_sequential_handler_number = 19
        return_value_altered = 0
#39 0x00007ff5603cc6bc in g_signal_emit_valist (instance=0x1705760, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffff0fc608) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./gobject/gsignal.c:3300
        instance_and_params = 0x7fffff0fc3c0
        signal_return_type = 4
        param_values = 0x7fffff0fc3d8
        node = 0x1777000
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#40 0x00007ff5603cc852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./gobject/gsignal.c:3356
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffff0fc6e0, reg_save_area = 0x7fffff0fc620}}
#41 0x00000000004251c5 in cheese_main_real_local_command_line (base=0x1705760, arguments=0x7fffff0fc880, exit_status=0x7fffff0fc87c) at src/cheese-main.c:277
        self = 0x1705760
        _vala_exit_status = 0
        result = 0
        _tmp3_ = 0x171cfc0
        _tmp3__length1 = 1
        local_args = 0x171cfc0
        local_args_length1 = 1
        _local_args_size_ = 1
        _tmp4_ = 0x171cfc0
        _tmp4__length1 = 1
        n_args = 1
        _tmp5_ = 1
        _inner_error_ = 0x0
#42 0x00007ff5608ae488 in g_application_run (application=0x1705760, argc=<optimized out>, argv=0x7fffff0fca38) at /build/glib2.0-7fLB_j/glib2.0-2.33.12+really2.32.4/./gio/gapplication.c:1449
        arguments = 0x171cfc0
        status = <optimized out>
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#43 0x00000000004259c6 in _vala_main (args=0x7fffff0fca38, args_length1=1) at src/cheese-main.c:469
        result = 0
        _tmp0_ = 1
        app = 0x1705760
        _tmp1_ = 0x1705760
        _tmp2_ = 0x1705760
        _tmp3_ = 0x1705760
        _tmp4_ = 0x1705760
        _tmp5_ = 0x7fffff0fca38
        _tmp5__length1 = 1
        _tmp6_ = 0
        status = 0
#44 0x0000000000425a24 in main (argc=1, argv=0x7fffff0fca38) at src/cheese-main.c:480
No locals.
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