.
Thread 7 (Thread 0xb06d6b70 (LWP 8878)):
#0  0xb78b9424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb758d40e in __GI___poll (fds=0x996b4f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb6fda34b in g_poll (fds=0x996b4f0, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.30.0/./glib/gpoll.c:132
No locals.
#3  0xb6fcb896 in g_main_context_poll (n_fds=1, fds=0x996b4f0, timeout=<optimized out>, context=0xa124f70, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0xb6fda320 <g_poll>
#4  g_main_context_iterate (context=0xa124f70, block=-1224891616, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x996b4f0
#5  0xb6fcbf9b in g_main_loop_run (loop=0xa161c20) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0xb6175194 in dconf_context_thread (data=0xa124f70) at dconfcontext.c:11
        context = 0xa124f70
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#7  0xb6ff25f4 in g_thread_create_proxy (data=0xa14b888) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0xa14b888
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0xb7887d31 in start_thread (arg=0xb06d6b70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xb06d6b70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1215721484, 0, 4001536, -1335008104, -367250058, 539055993}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb759c0ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 6 (Thread 0xa9d18b70 (LWP 8887)):
#0  0xb78b9424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb788ea8b in read () at ../sysdeps/unix/syscall-template.S:82
No locals.
#2  0xb6fc750b in read (__nbytes=128, __buf=0xa9d182ac, __fd=<optimized out>) at /usr/include/i386-linux-gnu/bits/unistd.h:45
No locals.
#3  unix_signal_helper_thread (data=0x0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:4567
        i = <optimized out>
        bytes_read = -512
        b = "C", '\000' <repeats 95 times>, "\v\312\210\267", '\000' <repeats 12 times>"\364, \017\344\266p\341\254\n\217\235\210\267 \004\b\267"
        sigterm_received = 0
        sigint_received = 0
        sighup_received = 0
#4  0xb6ff25f4 in g_thread_create_proxy (data=0xaace170) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0xaace170
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#5  0xb7887d31 in start_thread (arg=0xa9d18b70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xa9d18b70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1215721484, 0, 4001536, -1445886824, -1814284987, 539055993}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0xb759c0ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 5 (Thread 0xb0ef7b70 (LWP 8877)):
#0  0xb78b9424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb758d40e in __GI___poll (fds=0xa168938, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb6fda34b in g_poll (fds=0xa168938, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.30.0/./glib/gpoll.c:132
No locals.
#3  0xb6fcb896 in g_main_context_poll (n_fds=3, fds=0xa168938, timeout=<optimized out>, context=0xa168210, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0xb6fda320 <g_poll>
#4  g_main_context_iterate (context=0xa168210, block=-1224891616, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0xa168938
#5  0xb6fcbf9b in g_main_loop_run (loop=0xa168200) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0xb6f02cea in gdbus_shared_thread_func (user_data=0xa1649d0) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:276
        data = 0xa1649d0
#7  0xb6ff25f4 in g_thread_create_proxy (data=0xa1682a0) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0xa1682a0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0xb7887d31 in start_thread (arg=0xb0ef7b70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xb0ef7b70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1215721484, 0, 4001536, -1326484328, -298044041, 539055993}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb759c0ce in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 4 (Thread 0xa91d4b70 (LWP 8931)):
#0  0xb78b9424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb788be04 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236
No locals.
#2  0xb3f101bd in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 3 (Thread 0xb1f4cb70 (LWP 8874)):
#0  0xb78b9424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb788ba5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
No locals.
#2  0xb3f10113 in ?? ()
No symbol table info available.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 2 (Thread 0xb286db70 (LWP 8873)):
#0  0xb78b9424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb788ba5c in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
No locals.
#2  0xb3ef61b7 in ?? ()
No symbol table info available.
#3  0x00000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0xb74c96c0 (LWP 8869)):
#0  new_threadstate (interp=0x0, init=1) at ../Python/pystate.c:200
        tstate = 0x97bd470
#1  0x0811a888 in PyGILState_Ensure () at ../Python/pystate.c:615
        current = <optimized out>
        tcur = 0x0
#2  0xb78ad606 in pyglib_gil_state_ensure () at /build/buildd/pygobject-3.0.0/gi/_glib/pyglib.c:100
No locals.
#3  0xb6dac64b in pygobject_data_free (data=0xa0a6418) at /build/buildd/pygobject-3.0.0/gi/_gobject/pygobject.c:60
        state = <optimized out>
        closures = <optimized out>
        tmp = <optimized out>
#4  0xb6facc83 in g_datalist_clear (datalist=0x9e90950) at /build/buildd/glib2.0-2.30.0/./glib/gdataset.c:282
        data = 0x994d4e8
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_datalist_clear"
#5  0xb7090d4e in g_object_finalize (object=0x9e90948) at /build/buildd/glib2.0-2.30.0/./gobject/gobject.c:902
No locals.
#6  0xb5660c80 in finalize (object=0x9e90948) at soup-session.c:251
        session = <optimized out>
        priv = 0x9e90958
#7  0xb5663c45 in finalize (object=0x9e90948) at soup-session-async.c:66
        priv = <optimized out>
#8  0xb709068a in g_object_unref (_object=0x9e90948) at /build/buildd/glib2.0-2.30.0/./gobject/gobject.c:2746
        object = 0x9e90948
        old_ref = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_unref"
#9  0xb414e1fc in webkit_video_sink_start (base_sink=0x47f6238) at ../Source/WebCore/platform/graphics/gstreamer/VideoSinkGStreamer.cpp:302
        priv = <optimized out>
#10 0x4ecb4727 in ?? ()
No symbol table info available.
Backtrace stopped: Not enough registers or memory available to unwind further