Attachment 1484443 Details for Bug 1630454 – File: backtrace

File: backtrace

backtrace (text/plain), 123.99 KB, created by mastaiza on 2018-09-18 17:14:22 UTC

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Creator: mastaiza

Created: 2018-09-18 17:14:22 UTC

Size: 123.99 KB

patch

obsolete

>warning: core file may not match specified executable file.
>[New LWP 16832]
>[New LWP 2630]
>[New LWP 2666]
>[New LWP 2628]
>[New LWP 2631]
>[New LWP 2669]
>[New LWP 2629]
>[New LWP 16765]
>[New LWP 2671]
>[New LWP 2632]
>[New LWP 16791]
>[New LWP 4770]
>[New LWP 2667]
>[New LWP 16814]
>[New LWP 16754]
>[New LWP 16817]
>[New LWP 16764]
>[New LWP 16820]
>[New LWP 16825]
>[New LWP 16819]
>[New LWP 16790]
>[New LWP 16821]
>[New LWP 16824]
>[New LWP 2625]
>[New LWP 16833]
>[New LWP 16806]
>[New LWP 16729]
>[New LWP 16492]
>[New LWP 16491]
>Error while reading shared library symbols for /lib64/libsqlite3.so.0:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libsqlite3.so.0.8.6-3.22.0-4.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libicuuc.so.60:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libicuuc.so.60.2-60.2-2.fc28.x86_64.debug
>[Thread debugging using libthread_db enabled]
>Using host libthread_db library "/lib64/libthread_db.so.1".
>Error while reading shared library symbols for /lib64/libwayland-server.so.0:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libwayland-server.so.0.1.0-1.15.0-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libwayland-egl.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libwayland-egl.so.1.0.0-1.15.0-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libwayland-client.so.0:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libwayland-client.so.0.3.0-1.15.0-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libstdc++.so.6:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libstdc++.so.6.0.25-8.1.1-5.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libgcc_s.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/lib64/libgcc_s-8-20180712.so.1-8.1.1-5.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libuuid.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libuuid.so.1.3.0-2.32.1-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libbz2.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libbz2.so.1.0.6-1.0.6-26.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libwayland-cursor.so.0:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libwayland-cursor.so.0.0.0-1.15.0-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libmount.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libmount.so.1.1.0-2.32.1-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libgssapi_krb5.so.2:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libgssapi_krb5.so.2.2-1.16.1-13.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libblkid.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libblkid.so.1.1.0-2.32.1-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libk5crypto.so.3:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libk5crypto.so.3.1-1.16.1-13.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libcom_err.so.2:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libcom_err.so.2.1-1.44.2-0.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libkrb5support.so.0:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libkrb5support.so.0.1-1.16.1-13.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libkeyutils.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libkeyutils.so.1.6-1.5.10-6.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libdbus-1.so.3:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libdbus-1.so.3.19.8-1.12.10-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libsystemd.so.0:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libsystemd.so.0.22.0-238-9.git0e0aa59.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/liblz4.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/liblz4.so.1.8.1-1.8.1.2-4.fc28.x86_64.debug
>Error while reading shared library symbols for /usr/lib64/gio/modules/libgvfsdbus.so:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/gio/modules/libgvfsdbus.so-1.36.2-2.fc28.x86_64.debug
>Error while reading shared library symbols for /usr/lib64/gvfs/libgvfscommon.so:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/gvfs/libgvfscommon.so-1.36.2-2.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libpulse.so.0:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libpulse.so.0.20.3-12.2-1.fc28.x86_64.debug
>Error while reading shared library symbols for /usr/lib64/pulseaudio/libpulsecommon-12.2.so:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/pulseaudio/libpulsecommon-12.2.so-12.2-1.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libFLAC.so.8:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libFLAC.so.8.3.0-1.3.2-7.fc28.x86_64.debug
>warning: Loadable section ".note.gnu.property" outside of ELF segments
>warning: Loadable section ".note.gnu.property" outside of ELF segments
>warning: Loadable section ".note.gnu.property" outside of ELF segments
>warning: Loadable section ".note.gnu.property" outside of ELF segments
>Error while reading shared library symbols for /lib64/libopenjpeg.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libopenjpeg.so.1.5.1-1.5.1-21.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libfftw3.so.3:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libfftw3.so.3.5.5-3.3.5-11.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libnuma.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libnuma.so.1.0.0-2.0.11-8.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libgomp.so.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libgomp.so.1.0.0-8.1.1-5.fc28.x86_64.debug
>Error while reading shared library symbols for /lib64/libjbig.so.2.1:
>could not find '.gnu_debugaltlink' file for /var/cache/abrt-di/usr/lib/debug/usr/lib64/libjbig.so.2.1-2.1-12.fc28.x86_64.debug
>Core was generated by `/usr/libexec/webkit2gtk-4.0/WebKitWebProcess 2 21'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  0x00007f40cee280fc in __new_sem_wait_slow (sem=0x7f40703ce010, abstime=abstime@entry=0x7f3f86434c20) at sem_waitcommon.c:196
>196	sem_waitcommon.c: No such file or directory.
>[Current thread is 1 (Thread 0x7f3f86437700 (LWP 16832))]
>
>Thread 1 (Thread 0x7f3f86437700 (LWP 16832)):
>#0  0x00007f40cee280fc in __new_sem_wait_slow (sem=0x7f40703ce010, abstime=abstime@entry=0x7f3f86434c20) at sem_waitcommon.c:196
>        _buffer = {__routine = 0x7f40cee27f70 <__sem_wait_cleanup>, __arg = 0x7f40703ce010, __canceltype = -536833048, __prev = 0x0}
>        err = -1
>        d = 0
>#1  0x00007f40cee28161 in sem_timedwait (sem=<optimized out>, abstime=abstime@entry=0x7f3f86434c20) at sem_timedwait.c:39
>No locals.
>#2  0x00007f3f824b1270 in bcmdec_mul_inst_cor (bcmdec=0x7f3fe0059260) at gstbcmdec.c:2243
>        ts = {tv_sec = 1537289925, tv_nsec = 0}
>        ret = <optimized out>
>        i = 0
>        ts = <optimized out>
>        ret = <optimized out>
>        i = <optimized out>
>        __FUNCTION__ = "bcmdec_mul_inst_cor"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#3  gst_bcm_dec_change_state (element=0x7f3fe0059260, transition=GST_STATE_CHANGE_NULL_TO_READY) at gstbcmdec.c:869
>        result = GST_STATE_CHANGE_SUCCESS
>        bcmdec = 0x7f3fe0059260
>        sts = BC_STS_SUCCESS
>        ret = 0
>        __FUNCTION__ = "gst_bcm_dec_change_state"
>#4  0x00007f40ccb63902 in gst_element_change_state (element=element@entry=0x7f3fe0059260, transition=transition@entry=GST_STATE_CHANGE_NULL_TO_READY) at gstelement.c:2952
>        oclass = 0x7f3fd4023670
>        ret = GST_STATE_CHANGE_SUCCESS
>        __PRETTY_FUNCTION__ = "gst_element_change_state"
>#5  0x00007f40ccb6402e in gst_element_set_state_func (element=0x7f3fe0059260, state=GST_STATE_READY) at gstelement.c:2906
>        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>
>        __func__ = "gst_element_set_state_func"
>        __PRETTY_FUNCTION__ = "gst_element_set_state_func"
>#6  0x00007f3f9e48c101 in connect_pad (dbin=dbin@entry=0x55edcc42ab00, src=src@entry=0x55edcc984f50, dpad=dpad@entry=0x55edcc428b20, pad=0x7f3fe00093d0, caps=0x7f3fe0003c00, factories=<optimized out>, chain=0x7f3fd8005ec0, deadend_details=0x7f3f86434ef0) at gstdecodebin2.c:2310
>        delem = <optimized out>
>        element = 0x7f3fe0059260
>        sinkpad = 0x7f3fe0009620
>        to_expose = 0x0
>        ret = GST_AUTOPLUG_SELECT_TRY
>        factory = 0x55edcbc03200
>        pspec = <optimized out>
>        subtitle = <optimized out>
>        to_connect = 0x0
>        is_parser = 0
>        is_decoder = 0
>        res = 0
>        mqpad = <optimized out>
>        is_demuxer = <optimized out>
>        error_details = 0x7f3fcc133ec0
>        __func__ = "connect_pad"
>        __PRETTY_FUNCTION__ = "connect_pad"
>#7  0x00007f3f9e48a88e in analyze_new_pad (dbin=dbin@entry=0x55edcc42ab00, src=src@entry=0x55edcc984f50, pad=pad@entry=0x7f3fe00093d0, caps=caps@entry=0x7f3fe0003c00, chain=<optimized out>, chain@entry=0x7f3fd8005ec0, new_chain=new_chain@entry=0x7f3f86434f40) at gstdecodebin2.c:1798
>        apcontinue = 1
>        factories = 0x7f3fcc0150e0
>        result = 0x0
>        dpad = 0x55edcc428b20
>        factory = <optimized out>
>        classification = <optimized out>
>        is_parser_converter = 0
>        res = <optimized out>
>        deadend_details = 0x0
>        __PRETTY_FUNCTION__ = "analyze_new_pad"
>        __func__ = "analyze_new_pad"
>#8  0x00007f3f9e48b2b0 in pad_added_cb (element=element@entry=0x55edcc984f50, pad=pad@entry=0x7f3fe00093d0, chain=chain@entry=0x7f3fd8005ec0) at gstdecodebin2.c:2939
>        caps = 0x7f3fe0003c00
>        dbin = 0x55edcc42ab00
>        new_chain = 0x7f3fd8005ec0
>        __PRETTY_FUNCTION__ = "pad_added_cb"
>#9  0x00007f3f9e48b53f in caps_notify_cb (pad=0x7f3fe00093d0, unused=<optimized out>, chain=0x7f3fd8005ec0) at gstdecodebin2.c:3129
>        element = 0x55edcc984f50
>        l = 0x7f3fcc04e600
>        __PRETTY_FUNCTION__ = "caps_notify_cb"
>#10 0x00007f40ca7e7add in g_closure_invoke (closure=0x7f3fe0017cb0, return_value=0x0, n_param_values=2, param_values=0x7f3f86435190, invocation_hint=0x7f3f86435110) at gclosure.c:804
>        marshal = 0x7f40ca7eabe0 <g_cclosure_marshal_VOID__PARAM>
>        marshal_data = 0x0
>        in_marshal = 0
>        real_closure = 0x7f3fe0017c90
>        __func__ = "g_closure_invoke"
>#11 0x00007f40ca7faf43 in signal_emit_unlocked_R (node=node@entry=0x55edcbb776b0, detail=detail@entry=769, instance=instance@entry=0x7f3fe00093d0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7f3f86435190) at gsignal.c:3635
>        tmp = <optimized out>
>        handler = 0x7f3fe000a080
>        accumulator = 0x0
>        emission = {next = 0x7f3f86436550, instance = 0x7f3fe00093d0, ihint = {signal_id = 1, detail = 769, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
>        class_closure = 0x55edcbb77620
>        hlist = <optimized out>
>        handler_list = 0x7f3fe000a080
>        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 = 1
>        max_sequential_handler_number = 797
>        return_value_altered = 1
>#12 0x00007f40ca80406a in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7f3f86435370) at gsignal.c:3391
>        instance_and_params = 0x7f3f86435190
>        signal_return_type = <optimized out>
>        param_values = 0x7f3f864351a8
>        node = <optimized out>
>        i = <optimized out>
>        n_params = <optimized out>
>        __func__ = "g_signal_emit_valist"
>#13 0x00007f40ca804663 in g_signal_emit (instance=instance@entry=0x7f3fe00093d0, signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3447
>        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7f3f86435450, reg_save_area = 0x7f3f86435390}}
>#14 0x00007f40ca7ec514 in g_object_dispatch_properties_changed (object=0x7f3fe00093d0, n_pspecs=<optimized out>, pspecs=<optimized out>) at gobject.c:1082
>        i = <optimized out>
>#15 0x00007f40ccb36278 in gst_object_dispatch_properties_changed (object=0x7f3fe00093d0, n_pspecs=1, pspecs=0x7f3f864354e0) at gstobject.c:430
>        gst_object = <optimized out>
>        parent = <optimized out>
>        old_parent = <optimized out>
>        i = <optimized out>
>        name = 0x0
>        debug_name = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_object_dispatch_properties_changed"
>#16 0x00007f40ca7eeaf1 in g_object_notify_by_spec_internal (pspec=<optimized out>, object=0x7f3fe00093d0) at gobject.c:1175
>        nqueue = 0x0
>        notify_pspec = 0x55edcbbf5090
>        notify_pspec = <optimized out>
>        nqueue = <optimized out>
>#17 g_object_notify_by_pspec (object=object@entry=0x7f3fe00093d0, pspec=<optimized out>) at gobject.c:1285
>        __func__ = "g_object_notify_by_pspec"
>#18 0x00007f40ccb7a63c in store_sticky_event (pad=pad@entry=0x7f3fe00093d0, event=event@entry=0x7f3fe0006f50) at gstpad.c:5224
>        i = <optimized out>
>        len = <optimized out>
>        type = <optimized out>
>        events = <optimized out>
>        res = <optimized out>
>        name = <optimized out>
>        insert = <optimized out>
>        __PRETTY_FUNCTION__ = "store_sticky_event"
>        __func__ = "store_sticky_event"
>#19 0x00007f40ccb861f8 in gst_pad_push_event (pad=pad@entry=0x7f3fe00093d0, event=0x7f3fe0006f50) at gstpad.c:5513
>        res = 0
>        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
>        sticky = 1
>        serialized = 1
>        __func__ = "gst_pad_push_event"
>        __PRETTY_FUNCTION__ = "gst_pad_push_event"
>#20 0x00007f40cce8838b in gst_pad_set_caps (caps=0x7f3fe0003c00, pad=0x7f3fe00093d0) at ../../../gst/gstcompat.h:59
>        event = <optimized out>
>        res = 1
>        event = <optimized out>
>        res = <optimized out>
>        __func__ = "gst_pad_set_caps"
>        _g_boolean_var_ = <optimized out>
>        __inst = <optimized out>
>        __t = <optimized out>
>        __r = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#21 gst_base_transform_setcaps (trans=trans@entry=0x55edcc984f50, pad=<optimized out>, incaps=<optimized out>) at gstbasetransform.c:1328
>        priv = 0x55edcc984e80
>        outcaps = 0x7f3fe0003c00
>        prev_incaps = 0x0
>        prev_outcaps = 0x0
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_base_transform_setcaps"
>#22 0x00007f40cce897aa in gst_base_transform_sink_eventfunc (trans=trans@entry=0x55edcc984f50, event=0x7f3fe0007400) at gstbasetransform.c:1889
>        caps = 0x7f3fe0003c00
>        ret = 1
>        forward = 1
>        priv = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_base_transform_sink_eventfunc"
>#23 0x00007f3f9e21e401 in gst_capsfilter_sink_event (trans=0x55edcc984f50, event=0x7f3fe0007400) at ../../gst/gstevent.h:436
>        filter = 0x55edcc984f50
>        ret = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_capsfilter_sink_event"
>#24 0x00007f40ccb7b497 in gst_pad_send_event_unchecked (pad=pad@entry=0x7f3fe0009180, event=event@entry=0x7f3fe0007400, type=<optimized out>, type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:5738
>        ret = GST_FLOW_OK
>        event_type = <optimized out>
>        serialized = <optimized out>
>        need_unlock = 1
>        sticky = <optimized out>
>        eventfunc = 0x7f40cce841e0 <gst_base_transform_sink_event>
>        eventfullfunc = 0x0
>        parent = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#25 0x00007f40ccb7b9d3 in gst_pad_push_event_unchecked (pad=pad@entry=0x7f3fe0008f30, event=0x7f3fe0007400, type=type@entry=GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) at gstpad.c:5394
>        ret = <optimized out>
>        peerpad = 0x7f3fe0009180
>        event_type = GST_EVENT_CAPS
>        __PRETTY_FUNCTION__ = "gst_pad_push_event_unchecked"
>#26 0x00007f40ccb7be48 in push_sticky (pad=pad@entry=0x7f3fe0008f30, ev=ev@entry=0x7f3f86435920, user_data=user_data@entry=0x7f3f86435990) at ../gst/gstevent.h:436
>        data = 0x7f3f86435990
>        event = 0x7f3fe0007400
>        __PRETTY_FUNCTION__ = "push_sticky"
>#27 0x00007f40ccb79f88 in events_foreach (pad=pad@entry=0x7f3fe0008f30, func=func@entry=0x7f40ccb7bdf0 <push_sticky>, user_data=user_data@entry=0x7f3f86435990) at gstpad.c:612
>        ev = 0x7f3fe0012cc0
>        ev_ret = {received = 0, event = 0x7f3fe0007400}
>        i = 1
>        len = 2
>        events = 0x7f3fe0011b30
>        ret = <optimized out>
>        cookie = 2
>#28 0x00007f40ccb85f51 in check_sticky (event=0x7f3fe0007400, pad=0x7f3fe0008f30) at gstpad.c:3979
>        data = {ret = GST_FLOW_OK, was_eos = 0, event = 0x7f3fe0007400}
>        data = <optimized out>
>        __PRETTY_FUNCTION__ = "check_sticky"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ev = <optimized out>
>#29 gst_pad_push_event (pad=0x7f3fe0008f30, event=0x7f3fe0007400) at gstpad.c:5525
>        res = 0
>        type = GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM
>        sticky = <optimized out>
>        serialized = <optimized out>
>        __func__ = "gst_pad_push_event"
>        __PRETTY_FUNCTION__ = "gst_pad_push_event"
>#30 0x00007f3f83ad8d03 in gst_h264_parse_update_src_caps () from /usr/lib64/gstreamer-1.0/libgstvideoparsersbad.so
>No symbol table info available.
>#31 0x00007f3f83ada807 in gst_h264_parse_set_caps () from /usr/lib64/gstreamer-1.0/libgstvideoparsersbad.so
>No symbol table info available.
>#32 0x00007f40cce6a90e in gst_base_parse_sink_event_default (parse=0x7f3fe0014c00, event=0x7f3fd8002630) at gstbaseparse.c:1153
>        caps = 0x7f3fe00034f0
>        klass = <optimized out>
>        ret = 0
>        forward_immediate = 0
>        __PRETTY_FUNCTION__ = "gst_base_parse_sink_event_default"
>#33 0x00007f3f83ad6a67 in gst_h264_parse_event () from /usr/lib64/gstreamer-1.0/libgstvideoparsersbad.so
>No symbol table info available.
>#34 0x00007f40ccb7b497 in gst_pad_send_event_unchecked (pad=pad@entry=0x7f3fe00083a0, event=event@entry=0x7f3fd8002630, type=<optimized out>) at gstpad.c:5738
>        ret = GST_FLOW_OK
>        event_type = <optimized out>
>        serialized = <optimized out>
>        need_unlock = 1
>        sticky = <optimized out>
>        eventfunc = 0x7f40cce5ea40 <gst_base_parse_sink_event>
>        eventfullfunc = 0x0
>        parent = <optimized out>
>        __PRETTY_FUNCTION__ = "gst_pad_send_event_unchecked"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#35 0x00007f40ccb8656d in gst_pad_send_event (pad=0x7f3fe00083a0, event=0x7f3fd8002630) at gstpad.c:5908
>        result = <optimized out>
>        type = <optimized out>
>        __func__ = "gst_pad_send_event"
>#36 0x00007f3f9e4816cc in send_sticky_event (pad=<optimized out>, event=<optimized out>, user_data=0x7f3f86436080) at /usr/include/gstreamer-1.0/gst/gstevent.h:436
>        data = 0x7f3f86436080
>        ret = <optimized out>
>#37 0x00007f40ccb7a76d in foreach_dispatch_function (pad=pad@entry=0x7f3fe0008150, ev=ev@entry=0x7f3f86435f40, user_data=user_data@entry=0x7f3f86435fa0) at gstpad.c:6007
>        data = <optimized out>
>        ret = <optimized out>
>        pad = 0x7f3fe0008150
>        data = <optimized out>
>        ret = <optimized out>
>        user_data = 0x7f3f86435fa0
>        ev = 0x7f3f86435f40
>        data = 0x7f3f86435fa0
>#38 0x00007f40ccb79f88 in events_foreach (pad=pad@entry=0x7f3fe0008150, func=func@entry=0x7f40ccb7a730 <foreach_dispatch_function>, user_data=user_data@entry=0x7f3f86435fa0) at gstpad.c:612
>        ev = 0x7f3fcc13c610
>        ev_ret = {received = 0, event = 0x7f3fd8002630}
>        i = 1
>        len = 2
>        events = 0x7f3fe0011f20
>        ret = <optimized out>
>        cookie = 2
>#39 0x00007f40ccb87187 in gst_pad_sticky_events_foreach (pad=pad@entry=0x7f3fe0008150, foreach_func=foreach_func@entry=0x7f3f9e4816b0 <send_sticky_event>, user_data=user_data@entry=0x7f3f86436080) at gstpad.c:6038
>        data = {func = 0x7f3f9e4816b0 <send_sticky_event>, user_data = 0x7f3f86436080}
>        __func__ = "gst_pad_sticky_events_foreach"
>#40 0x00007f3f9e48ca01 in send_sticky_events (dbin=0x55edcc42ab00, pad=0x7f3fe0008150) at gstdecodebin2.c:1984
>        data = {ret = 1, peer = 0x7f3fe00083a0}
>        data = <optimized out>
>#41 connect_pad (dbin=dbin@entry=0x55edcc42ab00, src=0x7f3fe000b070, src@entry=0x7f3fcc00e0b0, dpad=dpad@entry=0x55edcc428b20, pad=0x7f3fe0008150, caps=0x7f3fe00034f0, factories=<optimized out>, chain=0x7f3fd8005ec0, deadend_details=0x7f3f86436160) at gstdecodebin2.c:2506
>        delem = <optimized out>
>        element = <optimized out>
>        sinkpad = 0x7f3fe00083a0
>        to_expose = <optimized out>
>        ret = GST_AUTOPLUG_SELECT_TRY
>        factory = <optimized out>
>        pspec = <optimized out>
>        subtitle = 0
>        to_connect = <optimized out>
>        is_parser = <optimized out>
>        is_decoder = <optimized out>
>        res = 0
>        mqpad = <optimized out>
>        is_demuxer = <optimized out>
>        error_details = 0x7f3fd802f9a0
>        __func__ = "connect_pad"
>        __PRETTY_FUNCTION__ = "connect_pad"
>#42 0x00007f3f9e48a88e in analyze_new_pad (dbin=dbin@entry=0x55edcc42ab00, src=src@entry=0x7f3fcc00e0b0, pad=pad@entry=0x7f3fc400db40, caps=caps@entry=0x7f3fe00034f0, chain=<optimized out>, chain@entry=0x7f3fc400ae30, new_chain=new_chain@entry=0x7f3f864361b0) at gstdecodebin2.c:1798
>        apcontinue = 1
>        factories = 0x7f3fd8030060
>        result = 0x0
>        dpad = 0x55edcc428b20
>        factory = <optimized out>
>        classification = <optimized out>
>        is_parser_converter = 0
>        res = <optimized out>
>        deadend_details = 0x0
>        __PRETTY_FUNCTION__ = "analyze_new_pad"
>        __func__ = "analyze_new_pad"
>#43 0x00007f3f9e48b2b0 in pad_added_cb (element=0x7f3fcc00e0b0, pad=0x7f3fc400db40, chain=0x7f3fc400ae30) at gstdecodebin2.c:2939
>        caps = 0x7f3fe00034f0
>        dbin = 0x55edcc42ab00
>        new_chain = 0x7f3fd8005ec0
>        __PRETTY_FUNCTION__ = "pad_added_cb"
>#44 0x00007f40c346d03e in ffi_call_unix64 () at ../src/x86/unix64.S:76
>No locals.
>#45 0x00007f40c346c9ff in ffi_call () at ../src/x86/ffi64.c:525
>        classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, 2252563376, 32575}
>        stack = <optimized out>
>        argp = <optimized out>
>        arg_types = <optimized out>
>        gprcount = <optimized out>
>        ssecount = <optimized out>
>        ngpr = 1
>        nsse = 0
>        i = <optimized out>
>        avn = <optimized out>
>        ret_in_memory = <optimized out>
>        reg_args = <optimized out>
>#46 0x00007f40ca7e85a5 in g_cclosure_marshal_generic (closure=<optimized out>, return_gvalue=<optimized out>, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=<optimized out>) at gclosure.c:1490
>        rtype = <optimized out>
>        rvalue = 0x7f3f86436340
>        n_args = <optimized out>
>        atypes = <optimized out>
>        args = <optimized out>
>        i = <optimized out>
>        cif = {abi = FFI_UNIX64, nargs = 3, arg_types = 0x7f3f86436320, rtype = 0x7f40c346d430 <ffi_type_void>, bytes = 0, flags = 0}
>        cc = <optimized out>
>        enum_tmpval = <optimized out>
>        tmpval_used = 0
>#47 0x00007f40ca7e7add in g_closure_invoke (closure=0x7f3fcc13a0f0, return_value=0x0, n_param_values=2, param_values=0x7f3f864365e0, invocation_hint=0x7f3f86436560) at gclosure.c:804
>        marshal = 0x7f40ca7e8120 <g_cclosure_marshal_generic>
>        marshal_data = 0x0
>        in_marshal = 0
>        real_closure = 0x7f3fcc13a0d0
>        __func__ = "g_closure_invoke"
>#48 0x00007f40ca7faf43 in signal_emit_unlocked_R (node=node@entry=0x55edcbbf1db0, detail=detail@entry=0, instance=instance@entry=0x7f3fcc00e0b0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7f3f864365e0) at gsignal.c:3635
>        tmp = <optimized out>
>        handler = 0x7f3fd8070040
>        accumulator = 0x0
>        emission = {next = 0x0, instance = 0x7f3fcc00e0b0, ihint = {signal_id = 162, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
>        class_closure = 0x55edcbbfdf20
>        hlist = <optimized out>
>        handler_list = 0x7f3fd8070040
>        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 = 162
>        max_sequential_handler_number = 785
>        return_value_altered = 0
>#49 0x00007f40ca80406a in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7f3f864367c0) at gsignal.c:3391
>        instance_and_params = 0x7f3f864365e0
>        signal_return_type = <optimized out>
>        param_values = 0x7f3f864365f8
>        node = <optimized out>
>        i = <optimized out>
>        n_params = <optimized out>
>        __func__ = "g_signal_emit_valist"
>#50 0x00007f40ca804663 in g_signal_emit (instance=instance@entry=0x7f3fcc00e0b0, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3447
>        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7f3f864368a0, reg_save_area = 0x7f3f864367e0}}
>#51 0x00007f40ccb60560 in gst_element_add_pad (element=element@entry=0x7f3fcc00e0b0, pad=0x7f3fc400db40) at gstelement.c:715
>        pad_name = 0x7f3fe00027e0 "Multiple data queue"
>        active = 1
>        __func__ = "gst_element_add_pad"
>        __PRETTY_FUNCTION__ = "gst_element_add_pad"
>#52 0x00007f3f8707ed6c in gst_qtdemux_add_stream (list=0x7f3fe00034a0, stream=0x7f3fe0004190, qtdemux=0x7f3fcc00e0b0) at qtdemux.c:8154
>        l = <optimized out>
>        ret = 1
>        ret = <optimized out>
>        __func__ = "gst_qtdemux_add_stream"
>        name = <optimized out>
>        name = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        name = <optimized out>
>        name = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        l = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#53 qtdemux_expose_streams (qtdemux=qtdemux@entry=0x7f3fcc00e0b0) at qtdemux.c:11936
>        stream = 0x7f3fe0004190
>        oldpad = <optimized out>
>        list = 0x7f3fe00034a0
>        i = 0
>        oldpads = 0x0
>        iter = <optimized out>
>        __func__ = "qtdemux_expose_streams"
>        stream = <optimized out>
>#54 0x00007f3f8709def1 in gst_qtdemux_loop_state_header (qtdemux=0x7f3fcc00e0b0) at qtdemux.c:4479
>        length = 0
>        fourcc = 0
>        buf = 0x0
>        ret = <optimized out>
>        cur_offset = <optimized out>
>        map = {memory = 0x7f3fb15fc000, flags = GST_MAP_READ, data = 0x7f3fb15fc078 "", size = 750, maxsize = 750, user_data = {0x7f3f86436a60, 0x7f3fd806d3b0, 0x7f40ccb7aa00 <do_stream_status+288>, 0x7f0}, _gst_reserved = {0x7f3fe0001570, 0x0, 0x0, 0x0}}
>        length = <optimized out>
>        fourcc = <optimized out>
>        buf = <optimized out>
>        ret = <optimized out>
>        cur_offset = <optimized out>
>        map = <optimized out>
>        __func__ = "gst_qtdemux_loop_state_header"
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        moov = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        final_data = <optimized out>
>        final_length = <optimized out>
>        final_fourcc = <optimized out>
>        newmoov = <optimized out>
>        __txt = <optimized out>
>        __dbg = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        ftyp = <optimized out>
>        uuid = <optimized out>
>        sidx = <optimized out>
>        unknown = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>        _g_boolean_var_ = <optimized out>
>#55 gst_qtdemux_loop (pad=0x7f3fc400d200) at qtdemux.c:5981
>        qtdemux = 0x7f3fcc00e0b0
>        cur_offset = <optimized out>
>        ret = <optimized out>
>        __func__ = "gst_qtdemux_loop"
>#56 0x00007f40ccbb2731 in gst_task_func (task=0x7f3fd806d3b0) at gsttask.c:332
>        lock = 0x7f3fc400d270
>        tself = 0x7f3fcc1360f0
>        priv = 0x7f3fd806d360
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#57 0x00007f40ca535933 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x7f3fcc004800
>        pool = 0x55edcbc01400
>#58 0x00007f40ca534f2a in g_thread_proxy (data=0x7f3fcc1360f0) at gthread.c:784
>        thread = 0x7f3fcc1360f0
>        __func__ = "g_thread_proxy"
>#59 0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139910812235520, -8037192738272403427, 139910844406830, 139910844406831, 139910844406960, 139910844406960, 7928916238421237789, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#60 0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 2 (Thread 0x7f4070dfc700 (LWP 2630)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f40640013e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f40640013e0, timeout=<optimized out>, context=0x7f4064000b20) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4064000b20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f40640013e0
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f4064003e40) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f40b16f2000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 0, m_end = 0, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4064000b20}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f40b16f1000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f4064003e60}}
>        mainContext = 0x7f4064000b20
>        innermostLoop = 0x7f4064003e40
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f40b16fb0a0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f40b16f9060}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139914748348160, -8037192738272403427, 140723659609086, 140723659609087, 140723659609232, 140723659609232, 7995796402392047645, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 3 (Thread 0x7f406a9e9700 (LWP 2666)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x55edcbe277b0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x55edcbe277b0, timeout=<optimized out>, context=0x55edcbe26bf0) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=context@entry=0x55edcbe26bf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x55edcbe277b0
>#3  0x00007f40ca50cd10 in g_main_context_iteration (context=context@entry=0x55edcbe26bf0, may_block=may_block@entry=1) at gmain.c:3964
>        retval = <optimized out>
>#4  0x00007f406a9f1e4d in dconf_gdbus_worker_thread (user_data=0x55edcbe26bf0) at ../gdbus/dconf-gdbus-thread.c:82
>        context = 0x55edcbe26bf0
>#5  0x00007f40ca534f2a in g_thread_proxy (data=0x55edcbcd6ad0) at gthread.c:784
>        thread = 0x55edcbcd6ad0
>        __func__ = "g_thread_proxy"
>#6  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139914643412736, -8037192738272403427, 140723659605630, 140723659605631, 140723659605760, 140723659605760, 7995845320458936349, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#7  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 4 (Thread 0x7f40b1f22700 (LWP 2628)):
>#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f40b1f21af0, expected=0, futex_word=0x7f40d5980a3c) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
>        __ret = -516
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg6 = <optimized out>
>        __arg5 = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a6 = <optimized out>
>        _a5 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7f40b1f21af0, mutex=0x55edcbbea450, cond=0x7f40d5980a10) at pthread_cond_wait.c:539
>        spin = 0
>        buffer = {__routine = 0x7f40cee25290 <__condvar_cleanup_waiting>, __arg = 0x7f40b1f21a50, __canceltype = 0, __prev = 0x0}
>        cbuffer = {wseq = 2411, cond = 0x7f40d5980a10, mutex = 0x55edcbbea450, private = 0}
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 2411
>        seq = 1205
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=0x7f40d5980a10, mutex=0x55edcbbea450, abstime=0x7f40b1f21af0) at pthread_cond_wait.c:667
>No locals.
>#3  0x00007f40d20f7b4c in __gthread_cond_timedwait (__abs_timeout=0x7f40b1f21af0, __mutex=0x55edcbbea450, __cond=0x7f40d5980a10) at /usr/include/c++/8/x86_64-redhat-linux/bits/gthr-default.h:871
>No locals.
>#4  std::condition_variable::__wait_until_impl<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=..., __lock=<synthetic pointer>..., this=0x7f40d5980a10) at /usr/include/c++/8/condition_variable:178
>        __s = <optimized out>
>        __ns = <optimized out>
>        __ts = {tv_sec = 1537289925, tv_nsec = 915740218}
>        __s = <optimized out>
>        __ns = <optimized out>
>        __ts = <optimized out>
>#5  std::condition_variable::wait_until<std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=..., __lock=<synthetic pointer>..., this=0x7f40d5980a10) at /usr/include/c++/8/condition_variable:106
>No locals.
>#6  std::_V2::condition_variable_any::wait_until<std::unique_lock<bmalloc::Mutex>, std::chrono::_V2::system_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (__atime=..., __lock=<synthetic pointer>..., this=0x7f40d5980a10) at /usr/include/c++/8/condition_variable:286
>        __mutex = {<std::__shared_ptr<std::mutex, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<std::mutex, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {_M_pi = 0x55edcbbea440}}, <No data fields>}
>        __my_lock = {_M_device = 0x0, _M_owns = false}
>        __unlock = <optimized out>
>        __my_lock2 = <optimized out>
>        __mutex = <optimized out>
>        __my_lock = <optimized out>
>        __unlock = <optimized out>
>        __my_lock2 = <optimized out>
>#7  std::_V2::condition_variable_any::wait_until<std::unique_lock<bmalloc::Mutex>, std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, bmalloc::Scavenger::threadRunLoop()::<lambda()> > (__p=..., __atime=..., __lock=<synthetic pointer>..., this=0x7f40d5980a10) at /usr/include/c++/8/condition_variable:297
>No locals.
>#8  std::_V2::condition_variable_any::wait_for<std::unique_lock<bmalloc::Mutex>, long int, std::ratio<1, 1000>, bmalloc::Scavenger::threadRunLoop()::<lambda()> > (__p=..., __rtime=..., __lock=<synthetic pointer>..., this=0x7f40d5980a10) at /usr/include/c++/8/condition_variable:312
>No locals.
>#9  bmalloc::Scavenger::threadRunLoop (this=0x7f40d59809f8) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/bmalloc/bmalloc/Scavenger.cpp:385
>        lock = {_M_device = 0x7f40d5980a09, _M_owns = false}
>        freeableMemory = <optimized out>
>        scavengeMode = <optimized out>
>#10 0x00007f40d20f7cff in bmalloc::Scavenger::threadEntryPoint (scavenger=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/bmalloc/bmalloc/Scavenger.cpp:359
>No locals.
>#11 0x00007f40c8490523 in ?? () from /lib64/libstdc++.so.6
>No symbol table info available.
>#12 0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 5 (Thread 0x7f406bfff700 (LWP 2631)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f40600013e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f40600013e0, timeout=<optimized out>, context=0x7f4060000b20) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4060000b20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f40600013e0
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f4060003e40) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f40b16ec000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 0, m_end = 0, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4060000b20}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f40b16eb000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f4060003e60}}
>        mainContext = 0x7f4060000b20
>        innermostLoop = 0x7f4060003e40
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f40b16fb0f0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f40b16f9090}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139914666571520, -8037192738272403427, 140723659609086, 140723659609087, 140723659609232, 140723659609232, 7995842304318152733, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 6 (Thread 0x7f40691e6700 (LWP 2669)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f4054001320, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=4, fds=0x7f4054001320, timeout=<optimized out>, context=0x7f405c00b150) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f405c00b150, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 4
>        allocated_nfds = 4
>        fds = 0x7f4054001320
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f405c00b290) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40cad016ba in gdbus_shared_thread_func (user_data=0x7f405c00b120) at gdbusprivate.c:275
>        data = 0x7f405c00b120
>#5  0x00007f40ca534f2a in g_thread_proxy (data=0x55edcbcd6d90) at gthread.c:784
>        thread = 0x55edcbcd6d90
>        __func__ = "g_thread_proxy"
>#6  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139914618234624, -8037192738272403427, 139914643408798, 139914643408799, 139914643408928, 139914643408928, 7995848621678174237, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#7  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 7 (Thread 0x7f40715fd700 (LWP 2629)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f406c003f50, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f406c003f50, timeout=<optimized out>, context=0x7f406c000b20) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f406c000b20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f406c003f50
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f406c0031e0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f40b16f5000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 13, m_end = 13, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x7f4042c13b80, m_capacity = 16, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f406c000b20}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f40b16f4000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f406c003200}}
>        mainContext = 0x7f406c000b20
>        innermostLoop = 0x7f406c0031e0
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f40b16fb050) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f40b16f9018}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139914756740864, -8037192738272403427, 140723659609086, 140723659609087, 140723659609232, 140723659609232, 7995795299122323485, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 8 (Thread 0x7f3fa29ff700 (LWP 16765)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f404801dc40, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f404801dc40, timeout=<optimized out>, context=0x7f4048026cf0) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4048026cf0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f404801dc40
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f4048008870) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f3fb1ab4000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 0, m_end = 0, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4048026cf0}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f3fb1a1c000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f404801f520}}
>        mainContext = 0x7f4048026cf0
>        innermostLoop = 0x7f4048008870
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f3fb38830a0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f3fb1a4d300}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139911288059648, -8037192738272403427, 140723659603118, 140723659603119, 140723659603264, 140723659603264, 7928977428820303901, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 9 (Thread 0x7f40689e5700 (LWP 2671)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f404c003070, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f404c003070, timeout=<optimized out>, context=0x7f404c000b20) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f404c000b20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 2
>        allocated_nfds = 2
>        fds = 0x7f404c003070
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f404c002fb0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f40b16cf000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 15, m_end = 15, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x7f40b16fda80, m_capacity = 16, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f404c000b20}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f40b16ce000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f404c002fd0}}
>        mainContext = 0x7f404c000b20
>        innermostLoop = 0x7f404c002fb0
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f40b16fb280) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f40b16f91c8}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139914609841920, -8037192738272403427, 140723659607694, 140723659607695, 140723659607840, 140723659607840, 7995849720652931101, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 10 (Thread 0x7f406b7fe700 (LWP 2632)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f4058004360, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f4058004360, timeout=<optimized out>, context=0x7f4058000b20) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4058000b20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 2
>        allocated_nfds = 2
>        fds = 0x7f4058004360
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f40580031e0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f40b16e6000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 26, m_end = 26, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x7f3fffc91870, m_capacity = 54, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4058000b20}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f40b16e5000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f4058003200}}
>        mainContext = 0x7f4058000b20
>        innermostLoop = 0x7f40580031e0
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f40b16fb140) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f40b16f90c0}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139914658178816, -8037192738272403427, 140723659609134, 140723659609135, 140723659609280, 140723659609280, 7995843403292909597, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 11 (Thread 0x7f3fa904b700 (LWP 16791)):
>#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f3fa904a950, expected=0, futex_word=0x7f3faeb13060) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
>        __ret = -516
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg6 = <optimized out>
>        __arg5 = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a6 = <optimized out>
>        _a5 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7f3fa904a950, mutex=0x7f3faeb13010, cond=0x7f3faeb13038) at pthread_cond_wait.c:539
>        spin = 0
>        buffer = {__routine = 0x7f40cee25290 <__condvar_cleanup_waiting>, __arg = 0x7f3fa904a8d0, __canceltype = -1364119536, __prev = 0x0}
>        cbuffer = {wseq = 4, cond = 0x7f3faeb13038, mutex = 0x7f3faeb13010, private = 0}
>        err = <optimized out>
>        g = 0
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 4
>        seq = 2
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=cond@entry=0x7f3faeb13038, mutex=mutex@entry=0x7f3faeb13010, abstime=abstime@entry=0x7f3fa904a950) at pthread_cond_wait.c:667
>No locals.
>#3  0x00007f40d20e6a1e in WTF::ThreadCondition::timedWait (this=this@entry=0x7f3faeb13038, mutex=..., absoluteTime=...) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPrimitives.h:75
>        rawSeconds = 1537289934.602201
>        timeSeconds = 1537289934
>        timeNanoseconds = 602200984
>        targetTime = {tv_sec = 1537289934, tv_nsec = 602200984}
>#4  0x00007f40d20bb9c3 in WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, WTF::TimeWithDynamicClockType const&) (address=address@entry=0x7f4042cdd86b, validation=..., beforeSleep=..., timeout=...) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ParkingLot.cpp:596
>        locker = {<WTF::AbstractLocker> = {<No data fields>}, m_lockable = 0x7f3faeb13010}
>        me = <optimized out>
>        enqueueResult = <optimized out>
>        didGetDequeued = <optimized out>
>        didDequeue = <optimized out>
>        result = <optimized out>
>#5  0x00007f40d20a4eb8 in WTF::ParkingLot::parkConditionally<bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#1}, bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#2}>(void const*, bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#1} const&, bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#2} const&, WTF::TimeWithDynamicClockType const&) (timeout=..., beforeSleep=..., validation=..., address=0x7f4042cdd86b) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Seconds.h:48
>No locals.
>#6  WTF::Condition::waitUntil<WTF::Lock> (timeout=..., lock=..., this=0x7f4042cdd86b) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Condition.h:76
>        result = <optimized out>
>        result = <optimized out>
>#7  WTF::Condition::waitFor<WTF::Lock> (relativeTimeout=..., lock=..., this=0x7f4042cdd86b) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Condition.h:116
>No locals.
>#8  WTF::AutomaticThread::<lambda()>::operator() (__closure=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/AutomaticThread.cpp:208
>        result = <optimized out>
>        awokenByNotify = <optimized out>
>        locker = {<WTF::AbstractLocker> = {<No data fields>}, m_lockable = 0x7f40b163398c}
>        result = <optimized out>
>        thread = {static isRefPtr = <optimized out>, m_ptr = 0x7f4042cdd840}
>        stopImpl = <optimized out>
>        stopPermanently = {__this = 0x7f4042cdd840, __stopImpl = <synthetic pointer><error reading variable>}
>        stopForTimeout = <optimized out>
>        locker = <optimized out>
>        this = <optimized out>
>        preserveThisForThread = <optimized out>
>        this = <optimized out>
>        preserveThisForThread = <optimized out>
>        thread = <optimized out>
>        stopImpl = <optimized out>
>        stopPermanently = <optimized out>
>        stopForTimeout = <optimized out>
>        locker = <optimized out>
>        result = <optimized out>
>        locker = <optimized out>
>        result = <optimized out>
>        awokenByNotify = <optimized out>
>        locker = <optimized out>
>#9  WTF::Function<void()>::CallableWrapper<WTF::AutomaticThread::start(const WTF::AbstractLocker&)::<lambda()> >::call(void) (this=0x7f40314769c0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Function.h:101
>No locals.
>#10 0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#11 WTF::Thread::entryPoint (newThreadContext=0x7f40064f6cd0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f40314769c0}, <No data fields>}, <No data fields>}}}}
>#12 0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#13 0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139911395325696, -8037192738272403427, 140723659597982, 140723659597983, 140723659598128, 140723659598128, 7928998089760481309, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#14 0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 12 (Thread 0x7f40269ff700 (LWP 4770)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f4020001590, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f4020001590, timeout=<optimized out>, context=0x7f4020000b20) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4020000b20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f4020001590
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f4020001460) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f4026caf000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 15, m_end = 15, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x7f4026c9f980, m_capacity = 16, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4020000b20}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f4026ca5000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f4020001480}}
>        mainContext = 0x7f4020000b20
>        innermostLoop = 0x7f4020001460
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f402cb1c000) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f4026c9a1b0}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139913502652160, -8037192738272403427, 140723659589950, 140723659589951, 140723659590096, 140723659590096, 7995695794393751581, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 13 (Thread 0x7f406a1e8700 (LWP 2667)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x55edcbe2d580, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x55edcbe2d580, timeout=<optimized out>, context=0x55edcbe2d290) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=context@entry=0x55edcbe2d290, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x55edcbe2d580
>#3  0x00007f40ca50cd10 in g_main_context_iteration (context=0x55edcbe2d290, may_block=may_block@entry=1) at gmain.c:3964
>        retval = <optimized out>
>#4  0x00007f40ca50cd61 in glib_worker_main (data=<optimized out>) at gmain.c:5773
>No locals.
>#5  0x00007f40ca534f2a in g_thread_proxy (data=0x55edcbcd6b20) at gthread.c:784
>        thread = 0x55edcbcd6b20
>        __func__ = "g_thread_proxy"
>#6  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139914635020032, -8037192738272403427, 140723659607038, 140723659607039, 140723659607168, 140723659607168, 7995846423728660509, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#7  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 14 (Thread 0x7f3fca5ff700 (LWP 16814)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f4060006ce0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f4060006ce0, timeout=<optimized out>, context=0x7f4060005210) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4060005210, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 2
>        allocated_nfds = 2
>        fds = 0x7f4060006ce0
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f4060006bb0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f3fa3379000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 2, m_end = 2, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x7f3fffc54e00, m_capacity = 16, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4060005210}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f3fa3382000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f4060006bd0}}
>        mainContext = 0x7f4060005210
>        innermostLoop = 0x7f4060006bb0
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f40107555a0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f3fa33ab2d0}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139911954953984, -8037192738272403427, 140723659601198, 140723659601199, 140723659601344, 140723659601344, 7929065939506339869, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 15 (Thread 0x7f3fa50fe700 (LWP 16754)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f403c002880, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f403c002880, timeout=<optimized out>, context=0x7f403c001e10) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f403c001e10, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f403c002880
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f403c002750) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f3fb188b000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 0, m_end = 0, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f403c001e10}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f3fb18a6000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f403c002770}}
>        mainContext = 0x7f403c001e10
>        innermostLoop = 0x7f403c002750
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f3fcb63eaf0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f3fee981f18}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139911328950016, -8037192738272403427, 140723659602318, 140723659602319, 140723659602464, 140723659602464, 7928989385472385053, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 16 (Thread 0x7f3f9f2ff700 (LWP 16817)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f4064006cc0, nfds=1, timeout=500) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f4064006cc0, timeout=<optimized out>, context=0x7f4064005210) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4064005210, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = 500
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f4064006cc0
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f4064006be0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f3fb0fb3000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 3}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 2, m_end = 2, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x7f3fef376700, m_capacity = 16, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4064005210}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f3fb0fb4000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f4064006c00}}
>        mainContext = 0x7f4064005210
>        innermostLoop = 0x7f4064006be0
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f3fa3316dc0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f3fb0f5d660}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139911230387968, -8037192738272403427, 140723659599358, 140723659599359, 140723659599504, 140723659599504, 7928896752154615837, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 17 (Thread 0x7f3fa58ff700 (LWP 16764)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f404c003de0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f404c003de0, timeout=<optimized out>, context=0x7f404c003370) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f404c003370, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f404c003de0
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f404c003cb0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f3fb1a29000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 0, m_end = 0, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f404c003370}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f3fb1a80000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f404c003cd0}}
>        mainContext = 0x7f404c003370
>        innermostLoop = 0x7f404c003cb0
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f3fffc48f00) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f3fb1ad6570}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139911337342720, -8037192738272403427, 140723659602350, 140723659602351, 140723659602496, 140723659602496, 7928988286497628189, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 18 (Thread 0x7f3f8b0d3700 (LWP 16820)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f3fbc0042e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f3fbc0042e0, timeout=<optimized out>, context=0x7f3fbc000ee0) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f3fbc000ee0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f3fbc0042e0
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f3fbc000e00) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40cbf305db in _event_thread_main (display=0x55edcbbcc280) at gstgldisplay.c:143
>No locals.
>#5  0x00007f40ca534f2a in g_thread_proxy (data=0x55edcc96cc00) at gthread.c:784
>        thread = 0x55edcc96cc00
>        __func__ = "g_thread_proxy"
>#6  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139910892566272, -8037192738272403427, 140723659604510, 140723659604511, 140723659604640, 140723659604640, 7928923404574171165, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#7  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 19 (Thread 0x7f3f882e7700 (LWP 16825)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007f40ca5535d3 in g_cond_wait (cond=cond@entry=0x55edcc9cb2f0, mutex=mutex@entry=0x55edcc9cb2a8) at gthread-posix.c:1402
>        sampled = 1
>#2  0x00007f40ccbb292b in gst_task_func (task=0x55edcc9cb290) at gsttask.c:317
>        lock = 0x55edcc9c9460
>        tself = 0x7f3fb802b630
>        priv = 0x55edcc9cb240
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#3  0x00007f40ca535933 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x7f3fb8001290
>        pool = 0x55edcbc01400
>#4  0x00007f40ca534f2a in g_thread_proxy (data=0x7f3fb802b630) at gthread.c:784
>        thread = 0x7f3fb802b630
>        __func__ = "g_thread_proxy"
>#5  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139910844413696, -8037192738272403427, 139910884164958, 139910884164959, 139910884165088, 139910884165088, 7928929733208481821, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#6  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 20 (Thread 0x7f3f9b8d4700 (LWP 16819)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x55edcc996940, nfds=3, timeout=1500) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f3f9cd4de35 in ?? () from /lib64/libpulse.so.0
>No symbol table info available.
>#2  0x00007ffcc7be0950 in ?? ()
>No symbol table info available.
>#3  0x000055edcc98ce80 in ?? ()
>No symbol table info available.
>#4  0x000055edcc98ce80 in ?? ()
>No symbol table info available.
>#5  0x0000000000000000 in ?? ()
>No symbol table info available.
>
>Thread 21 (Thread 0x7f402d6ff700 (LWP 16790)):
>#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f402d6fe950, expected=0, futex_word=0x7f3fae990c64) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
>        __ret = -516
>        oldtype = 0
>        err = <optimized out>
>        oldtype = <optimized out>
>        err = <optimized out>
>        __ret = <optimized out>
>        resultvar = <optimized out>
>        __arg6 = <optimized out>
>        __arg5 = <optimized out>
>        __arg4 = <optimized out>
>        __arg3 = <optimized out>
>        __arg2 = <optimized out>
>        __arg1 = <optimized out>
>        _a6 = <optimized out>
>        _a5 = <optimized out>
>        _a4 = <optimized out>
>        _a3 = <optimized out>
>        _a2 = <optimized out>
>        _a1 = <optimized out>
>#1  __pthread_cond_wait_common (abstime=0x7f402d6fe950, mutex=0x7f3fae990c10, cond=0x7f3fae990c38) at pthread_cond_wait.c:539
>        spin = 0
>        buffer = {__routine = 0x7f40cee25290 <__condvar_cleanup_waiting>, __arg = 0x7f402d6fe8d0, __canceltype = -1365701616, __prev = 0x0}
>        cbuffer = {wseq = 103, cond = 0x7f3fae990c38, mutex = 0x7f3fae990c10, private = 0}
>        err = <optimized out>
>        g = 1
>        flags = <optimized out>
>        g1_start = <optimized out>
>        maxspin = 0
>        signals = <optimized out>
>        result = 0
>        wseq = 103
>        seq = 51
>        private = 0
>        maxspin = <optimized out>
>        err = <optimized out>
>        result = <optimized out>
>        wseq = <optimized out>
>        g = <optimized out>
>        seq = <optimized out>
>        flags = <optimized out>
>        private = <optimized out>
>        signals = <optimized out>
>        g1_start = <optimized out>
>        spin = <optimized out>
>        buffer = <optimized out>
>        cbuffer = <optimized out>
>        rt = <optimized out>
>        s = <optimized out>
>#2  __pthread_cond_timedwait (cond=cond@entry=0x7f3fae990c38, mutex=mutex@entry=0x7f3fae990c10, abstime=abstime@entry=0x7f402d6fe950) at pthread_cond_wait.c:667
>No locals.
>#3  0x00007f40d20e6a1e in WTF::ThreadCondition::timedWait (this=this@entry=0x7f3fae990c38, mutex=..., absoluteTime=...) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPrimitives.h:75
>        rawSeconds = 1537289934.486582
>        timeSeconds = 1537289934
>        timeNanoseconds = 486582040
>        targetTime = {tv_sec = 1537289934, tv_nsec = 486582040}
>#4  0x00007f40d20bb9c3 in WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda<bool ()> const&, WTF::ScopedLambda<void ()> const&, WTF::TimeWithDynamicClockType const&) (address=address@entry=0x7f40b168b693, validation=..., beforeSleep=..., timeout=...) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ParkingLot.cpp:596
>        locker = {<WTF::AbstractLocker> = {<No data fields>}, m_lockable = 0x7f3fae990c10}
>        me = <optimized out>
>        enqueueResult = <optimized out>
>        didGetDequeued = <optimized out>
>        didDequeue = <optimized out>
>        result = <optimized out>
>#5  0x00007f40d20a4eb8 in WTF::ParkingLot::parkConditionally<bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#1}, bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#2}>(void const*, bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#1} const&, bool WTF::Condition::waitUntil<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#2} const&, WTF::TimeWithDynamicClockType const&) (timeout=..., beforeSleep=..., validation=..., address=0x7f40b168b693) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Seconds.h:48
>No locals.
>#6  WTF::Condition::waitUntil<WTF::Lock> (timeout=..., lock=..., this=0x7f40b168b693) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Condition.h:76
>        result = <optimized out>
>        result = <optimized out>
>#7  WTF::Condition::waitFor<WTF::Lock> (relativeTimeout=..., lock=..., this=0x7f40b168b693) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Condition.h:116
>No locals.
>#8  WTF::AutomaticThread::<lambda()>::operator() (__closure=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/AutomaticThread.cpp:208
>        result = <optimized out>
>        awokenByNotify = <optimized out>
>        locker = {<WTF::AbstractLocker> = {<No data fields>}, m_lockable = 0x7f40b1633994}
>        result = <optimized out>
>        thread = {static isRefPtr = <optimized out>, m_ptr = 0x7f40b168b668}
>        stopImpl = <optimized out>
>        stopPermanently = {__this = 0x7f40b168b668, __stopImpl = <synthetic pointer><error reading variable>}
>        stopForTimeout = <optimized out>
>        locker = <optimized out>
>        this = <optimized out>
>        preserveThisForThread = <optimized out>
>        this = <optimized out>
>        preserveThisForThread = <optimized out>
>        thread = <optimized out>
>        stopImpl = <optimized out>
>        stopPermanently = <optimized out>
>        stopForTimeout = <optimized out>
>        locker = <optimized out>
>        result = <optimized out>
>        locker = <optimized out>
>        result = <optimized out>
>        awokenByNotify = <optimized out>
>        locker = <optimized out>
>#9  WTF::Function<void()>::CallableWrapper<WTF::AutomaticThread::start(const WTF::AbstractLocker&)::<lambda()> >::call(void) (this=0x7f3fb1afc708) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Function.h:101
>No locals.
>#10 0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#11 WTF::Thread::entryPoint (newThreadContext=0x7f3fae9c1af0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f3fb1afc708}, <No data fields>}, <No data fields>}}}}
>#12 0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#13 0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139913616946944, -8037192738272403427, 140723659601998, 140723659601999, 140723659602144, 140723659602144, 7995715723042005021, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#14 0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 22 (Thread 0x7f3f8a8d2700 (LWP 16821)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007f40ca5535d3 in g_cond_wait (cond=cond@entry=0x55edcc93d650, mutex=mutex@entry=0x55edcc93d608) at gthread-posix.c:1402
>        sampled = 1
>#2  0x00007f40ccbb292b in gst_task_func (task=0x55edcc93d5f0) at gsttask.c:317
>        lock = 0x55edcc98a300
>        tself = 0x55edcc96cca0
>        priv = 0x55edcc93d5a0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#3  0x00007f40ca535933 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x55edcc97ee00
>        pool = 0x55edcbc01400
>#4  0x00007f40ca534f2a in g_thread_proxy (data=0x55edcc96cca0) at gthread.c:784
>        thread = 0x55edcc96cca0
>        __func__ = "g_thread_proxy"
>#5  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139910884173568, -8037192738272403427, 140723659605038, 140723659605039, 140723659605168, 140723659605168, 7928924503548928029, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#6  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 23 (Thread 0x7f3f890cf700 (LWP 16824)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007f40ca5536ee in g_cond_wait_until (cond=cond@entry=0x55edcbb8f0f8, mutex=mutex@entry=0x55edcbb8f0f0, end_time=end_time@entry=34753165476) at gthread-posix.c:1449
>        now = {tv_sec = 34738, tv_nsec = 165477647}
>        span = {tv_sec = 14, tv_nsec = 999998353}
>        sampled = 2
>        res = <optimized out>
>#2  0x00007f40ca4df0f1 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x55edcbb8f0f0, wait=wait@entry=1, end_time=end_time@entry=34753165476) at gasyncqueue.c:422
>        retval = <optimized out>
>        __func__ = "g_async_queue_pop_intern_unlocked"
>#3  0x00007f40ca4df6e0 in g_async_queue_timeout_pop (queue=0x55edcbb8f0f0, timeout=timeout@entry=15000000) at gasyncqueue.c:543
>        end_time = 34753165476
>        retval = <optimized out>
>#4  0x00007f40ca5359d1 in g_thread_pool_wait_for_new_pool () at gthreadpool.c:167
>        pool = <optimized out>
>        local_max_idle_time = 15000
>        local_wakeup_thread_serial = <optimized out>
>        local_max_unused_threads = <optimized out>
>        last_wakeup_thread_serial = 0
>        have_relayed_thread_marker = <optimized out>
>        pool = <optimized out>
>        local_wakeup_thread_serial = <optimized out>
>        local_max_unused_threads = <optimized out>
>        local_max_idle_time = <optimized out>
>        last_wakeup_thread_serial = <optimized out>
>        have_relayed_thread_marker = <optimized out>
>#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:364
>        free_pool = <optimized out>
>        task = <optimized out>
>        pool = <optimized out>
>#6  0x00007f40ca534f2a in g_thread_proxy (data=0x55edcc9a9cf0) at gthread.c:784
>        thread = 0x55edcc9a9cf0
>        __func__ = "g_thread_proxy"
>#7  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139910858995456, -8037192738272403427, 140723659607006, 140723659607007, 140723659607136, 140723659607136, 7928927787588296733, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#8  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 24 (Thread 0x7f40d59c2ac0 (LWP 2625)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x55edcc9e9c30, nfds=4, timeout=5) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=4, fds=0x55edcc9e9c30, timeout=<optimized out>, context=0x55edcbbb4ab0) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x55edcbbb4ab0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = 5
>        some_ready = <optimized out>
>        nfds = 4
>        allocated_nfds = 5
>        fds = 0x55edcc9e9c30
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x55edcbbf27b0) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f40b16fb000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 49}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 103, m_end = 103, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x7f40244f7200, m_capacity = 136, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x55edcbbb4ab0}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f40b16fd180, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x55edcbbf27d0}}
>        mainContext = 0x55edcbbb4ab0
>        innermostLoop = 0x55edcbbf27b0
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d36ce538 in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=<optimized out>, argv=0x7ffcc7be17e8) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/unix/ChildProcessMain.h:41
>        childMain = {<WebKit::ChildProcessMainBase> = {_vptr.ChildProcessMainBase = 0x7f40d56201c8 <vtable for WebKit::WebProcessMain+16>, m_parameters = {uiProcessName = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, clientIdentifier = {m_impl = {static isRefPtr = <optimized out>, m_ptr = 0x0}}, processIdentifier = {<std::constexpr_optional_base<WTF::ObjectIdentifier<WebCore::ProcessIdentifierType> >> = {init_ = true, storage_ = {dummy_ = 2 '\002', value_ = {m_identifier = 2}}}, <No data fields>}, connectionIdentifier = 21, extraInitializationData = {m_impl = {static m_maxLoad = 2, static m_minLoad = 6, m_table = 0x0, m_tableSize = 0, m_tableSizeMask = 0, m_keyCount = 0, m_deletedCount = 0}}, processType = WebKit::ChildProcess::ProcessType::WebContent}}, <No data fields>}
>#6  0x00007f40c7a8911b in __libc_start_main (main=0x55edcb512cd0 <main(int, char**)>, argc=3, argv=0x7ffcc7be17e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffcc7be17d8) at ../csu/libc-start.c:308
>        self = <optimized out>
>        result = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 4300288295810408477, 94479806704944, 140723659610080, 0, 0, 8038829358406475805, 7996045037199335453}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffcc7be1808, 0x7f40d5a22130}, data = {prev = 0x0, cleanup = 0x0, canceltype = -943843320}}}
>        not_first_call = <optimized out>
>#7  0x000055edcb512d5a in _start ()
>No symbol table info available.
>
>Thread 25 (Thread 0x7f3f85c36700 (LWP 16833)):
>#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
>No locals.
>#1  0x00007f40ca5535d3 in g_cond_wait (cond=cond@entry=0x7f3fe0014038, mutex=mutex@entry=0x7f3fe0014028) at gthread-posix.c:1402
>        sampled = 0
>#2  0x00007f40cce944cb in _gst_data_queue_wait_non_empty (queue=queue@entry=0x7f3fe0014080) at gstdataqueue.c:554
>        priv = 0x7f3fe0014000
>#3  0x00007f40cce95848 in gst_data_queue_pop (queue=0x7f3fe0014080, item=item@entry=0x7f3f85c35a70) at gstdataqueue.c:596
>        priv = 0x7f3fe0014000
>        __func__ = "gst_data_queue_pop"
>#4  0x00007f3f9e23e6b1 in gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1809
>        sq = 0x7f3fe0013150
>        item = <optimized out>
>        sitem = 0x0
>        mq = 0x7f3fe000b070
>        object = 0x0
>        newid = <optimized out>
>        result = <optimized out>
>        next_time = <optimized out>
>        is_buffer = <optimized out>
>        do_update_buffering = 0
>        dropping = 0
>        __PRETTY_FUNCTION__ = "gst_multi_queue_loop"
>#5  0x00007f40ccbb2731 in gst_task_func (task=0x7f3fd806d830) at gsttask.c:332
>        lock = 0x7f3fe00081c0
>        tself = 0x7f3fe0003d40
>        priv = 0x7f3fd806d7e0
>        __PRETTY_FUNCTION__ = "gst_task_func"
>#6  0x00007f40ca535933 in g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:307
>        task = 0x7f3fe0006370
>        pool = 0x55edcbc01400
>#7  0x00007f40ca534f2a in g_thread_proxy (data=0x7f3fe0003d40) at gthread.c:784
>        thread = 0x7f3fe0003d40
>        __func__ = "g_thread_proxy"
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139910803842816, -8037192738272403427, 139910812228782, 139910812228783, 139910812228912, 139910812228912, 7928917337395994653, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 26 (Thread 0x7f3fa71fe700 (LWP 16806)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f4058006150, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f4058006150, timeout=<optimized out>, context=0x7f4058004680) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4058004680, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f4058006150
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f4058006020) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f3fa338e000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 0, m_end = 0, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4058004680}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f3fa339a000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f4058006040}}
>        mainContext = 0x7f4058004680
>        innermostLoop = 0x7f4058006020
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f3fffc38dc0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f3fa33edf30}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139911363553024, -8037192738272403427, 140723659601518, 140723659601519, 140723659601664, 140723659601664, 7928985124864827421, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 27 (Thread 0x7f3fa44ff700 (LWP 16729)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f4028001460, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f4028001460, timeout=<optimized out>, context=0x7f4028001b00) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f4028001b00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f4028001460
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f4028001380) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>        runLoop = @0x7f3fffcb0000: {<WTF::FunctionDispatcher> = {<WTF::ThreadSafeRefCounted<WTF::FunctionDispatcher, (WTF::DestructionThread)0>> = {<WTF::ThreadSafeRefCountedBase> = {m_refCount = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, <No data fields>}}, <No data fields>}, _vptr.FunctionDispatcher = 0x7f40d235eb40 <vtable for WTF::RunLoop+16>}, m_functionQueueLock = {static isHeldBit = 1 '\001', static hasParkedBit = 2 '\002', m_byte = {value = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, <No data fields>}}}, m_functionQueue = {m_start = 0, m_end = 0, m_buffer = {<WTF::VectorBufferBase<WTF::Function<void()> >> = {m_buffer = 0x0, m_capacity = 0, m_size = 0}, <No data fields>}}, m_mainContext = {m_ptr = 0x7f4028001b00}, m_mainLoops = {<WTF::VectorBuffer<WTF::GRefPtr<_GMainLoop>, 0>> = {<WTF::VectorBufferBase<WTF::GRefPtr<_GMainLoop> >> = {m_buffer = 0x7f3fca680000, m_capacity = 16, m_size = 1}, <No data fields>}, <No data fields>}, m_source = {m_ptr = 0x7f40280013a0}}
>        mainContext = 0x7f4028001b00
>        innermostLoop = 0x7f4028001380
>        nestedMainLoop = <optimized out>
>#5  0x00007f40d20bf80f in WTF::Function<void ()>::operator()() const (this=<synthetic pointer>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>No locals.
>#6  WTF::Thread::entryPoint (newThreadContext=0x7f400a4588c0) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/Threading.cpp:136
>        function = {m_callableWrapper = {_M_t = {_M_t = {<std::_Tuple_impl<0, WTF::Function<void()>::CallableWrapperBase*, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Tuple_impl<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase> >> = {<std::_Head_base<1, std::default_delete<WTF::Function<void()>::CallableWrapperBase>, true>> = {<std::default_delete<WTF::Function<void()>::CallableWrapperBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, WTF::Function<void()>::CallableWrapperBase*, false>> = {_M_head_impl = 0x7f402cb20420}, <No data fields>}, <No data fields>}}}}
>#7  0x00007f40d20e5fdd in WTF::wtfThreadEntryPoint (context=<optimized out>) at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/ThreadingPthreads.cpp:227
>No locals.
>#8  0x00007f40cee1f594 in start_thread (arg=<optimized out>) at pthread_create.c:463
>        pd = <optimized out>
>        now = <optimized out>
>        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139911316371200, -8037192738272403427, 140723659604222, 140723659604223, 140723659604368, 140723659604368, 7928991035276697629, 7996064217568026653}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
>        not_first_call = <optimized out>
>#9  0x00007f40c7b5fe6f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
>No locals.
>
>Thread 28 (Thread 0x7f40121ff700 (LWP 16492)):
>#0  0x00007f40c7b553e9 in __GI___poll (fds=0x7f3fc4001b10, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
>        resultvar = 18446744073709551100
>        sc_cancel_oldtype = 0
>        sc_ret = <optimized out>
>#1  0x00007f40ca50cbe6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f3fc4001b10, timeout=<optimized out>, context=0x7f3fc4001800) at gmain.c:4204
>        ret = <optimized out>
>        errsv = <optimized out>
>        poll_func = 0x7f40ca51c520 <g_poll>
>        poll_func = <optimized out>
>        ret = <optimized out>
>        errsv = <optimized out>
>#2  g_main_context_iterate (context=0x7f3fc4001800, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3898
>        max_priority = 2147483647
>        timeout = -1
>        some_ready = <optimized out>
>        nfds = 1
>        allocated_nfds = 1
>        fds = 0x7f3fc4001b10
>#3  0x00007f40ca50cfa2 in g_main_loop_run (loop=0x7f3fc4001680) at gmain.c:4099
>        self = <optimized out>
>        __func__ = "g_main_loop_run"
>#4  0x00007f40d20e7f80 in WTF::RunLoop::run () at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WTF/wtf/glib/RunLoopGLib.cpp:96
>
>Timeout exceeded: 240 seconds, killing /usr/libexec/gdb.
>Looks like gdb hung while generating backtrace.
>This may be a bug in gdb. Consider submitting a bug report to gdb developers.
>Please attach coredump from this crash to the bug report if you do.

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Attachments on bug 1630454: 1484443 | 1484444 | 1484445 | 1484446 | 1484447 | 1484448 | 1484449 | 1484450 | 1484451 | 1484452 | 1484453 | 1484454