.
Thread 3 (LWP 7916):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007fe07d388617 in g_cond_wait (cond=cond@entry=0x168efd8, mutex=mutex@entry=0x168efd0) at /build/buildd/glib2.0-2.38.1/./glib/gthread-posix.c:759
        _g_boolean_var_ = <optimized out>
        status = <optimized out>
#2  0x00007fe07d31ec6b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x168efd0, wait=wait@entry=1, end_time=end_time@entry=-1) at /build/buildd/glib2.0-2.38.1/./glib/gasyncqueue.c:421
        retval = <optimized out>
        __FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007fe07d31f067 in g_async_queue_pop (queue=0x168efd0) at /build/buildd/glib2.0-2.38.1/./glib/gasyncqueue.c:455
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop"
#4  0x00007fe072d5949c in send_messages_thread_func (data=<optimized out>) at skype_messaging.c:139
        message = <optimized out>
#5  0x00007fe07d36d0f5 in g_thread_proxy (data=0x1813c50) at /build/buildd/glib2.0-2.38.1/./glib/gthread.c:798
        thread = 0x1813c50
#6  0x00007fe07dbbcf6e in start_thread (arg=0x7fe06a65e700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fe06a65e700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140601834465024, 2151222253168247608, 0, 140602168897632, 140734601260096, 4096, -2154275372615449800, -2154314594717514952}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007fe07cc079cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 4125):
#0  0x00007fe07cbffde3 in select () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fe075a95f75 in NotifierThreadProc (clientData=<optimized out>) at /build/buildd/tcl8.5-8.5.13/unix/../unix/tclUnixNotfy.c:1133
        tsdPtr = 0x0
        readableMask = {__fds_bits = {64, 0 <repeats 15 times>}}
        writableMask = {__fds_bits = {0 <repeats 16 times>}}
        exceptionalMask = {__fds_bits = {0 <repeats 16 times>}}
        fds = {6, 7}
        i = <optimized out>
        numFdBits = 7
        receivePipe = 6
        found = <optimized out>
        poll = {tv_sec = 0, tv_usec = 0}
        timePtr = <optimized out>
        buf = "\005"
#2  0x00007fe07dbbcf6e in start_thread (arg=0x7fe07399c700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fe07399c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140601988859648, 2151222253168247608, 0, 140602168897632, 140734601260848, 4096, -2154328045020626120, -2154314594717514952}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#3  0x00007fe07cc079cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 4072):
#0  0x00007fe07d34f3d9 in g_logv (log_domain=0x7fe07d03bbe8 "tp-glib", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=args@entry=0x7fff53ea6b58) at /build/buildd/glib2.0-2.38.1/./glib/gmessages.c:989
        domain = 0x0
        data = 0x420c65
        depth = 1
        log_func = 0x40bbe0 <tp_debug_sender_log_handler@plt>
        domain_fatal_mask = <optimized out>
        masquerade_fatal = 0
        test_level = <optimized out>
        was_fatal = <optimized out>
        was_recursion = <optimized out>
        msg = 0x188e030 "tp_base_connection_get_handles: assertion 'TP_IS_BASE_CONNECTION (self)' failed"
        msg_alloc = 0x188e030 "tp_base_connection_get_handles: assertion 'TP_IS_BASE_CONNECTION (self)' failed"
        i = 3
#1  0x00007fe07d34f522 in g_log (log_domain=log_domain@entry=0x7fe07d03bbe8 "tp-glib", log_level=log_level@entry=G_LOG_LEVEL_CRITICAL, format=format@entry=0x7fe07d3953aa "%s: assertion '%s' failed") at /build/buildd/glib2.0-2.38.1/./glib/gmessages.c:1025
        args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff53ea6c30, reg_save_area = 0x7fff53ea6b70}}
#2  0x00007fe07d34f549 in g_return_if_fail_warning (log_domain=log_domain@entry=0x7fe07d03bbe8 "tp-glib", pretty_function=pretty_function@entry=0x7fe07d047430 <__PRETTY_FUNCTION__.30831> "tp_base_connection_get_handles", expression=expression@entry=0x7fe07d045bbb "TP_IS_BASE_CONNECTION (self)") at /build/buildd/glib2.0-2.38.1/./glib/gmessages.c:1034
No locals.
#3  0x00007fe07cf3e2fb in tp_base_connection_get_handles (self=0x13b6380, handle_type=handle_type@entry=TP_HANDLE_TYPE_CONTACT) at base-connection.c:2791
        self = 0x13b6380
        handle_type = TP_HANDLE_TYPE_CONTACT
#4  0x0000000000416037 in haze_destroy_conversation (conv=0x1848d80) at im-channel-factory.c:465
        account = <optimized out>
        im_factory = 0x13b6260
        base_conn = <optimized out>
        contact_repo = <optimized out>
        ui_data = <optimized out>
        __PRETTY_FUNCTION__ = "haze_destroy_conversation"
#5  0x00007fe07e057be4 in ?? ()
No symbol table info available.
#6  0x0000000000000002 in ?? ()
No symbol table info available.
#7  0x0000000001891710 in ?? ()
No symbol table info available.
#8  0x00000000017f7dc0 in ?? ()
No symbol table info available.
#9  0x00007fe07d344874 in g_list_remove (list=<optimized out>, data=<optimized out>) at /build/buildd/glib2.0-2.38.1/./glib/glist.c:480
        tmp = 0x1848d80
#10 0x0000000000000000 in ?? ()
No symbol table info available.