#0  0x00007f314b1820f6 in magazine_chain_pop_head (magazine_chunks=<synthetic pointer>) at /build/buildd/glib2.0-2.34.0/./glib/gslice.c:537
        chunk = 0x7f313c042800
#1  magazine_chain_prepare_fields (magazine_chunks=0x7f213c174660) at /build/buildd/glib2.0-2.34.0/./glib/gslice.c:612
No locals.
#2  magazine_cache_push_magazine (ix=2, magazine_chunks=<optimized out>, count=34) at /build/buildd/glib2.0-2.34.0/./glib/gslice.c:684
        current = 0x7f313c08cd50
        next = <optimized out>
        prev = <optimized out>
#3  0x00007f314b13a759 in thread_memory_magazine2_unload (ix=<optimized out>, tmem=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gslice.c:802
        mag = 0xcf7570
#4  0x00007f314b182f2e in g_slice_free1 (mem_size=<optimized out>, mem_block=0x7f313c038c40) at /build/buildd/glib2.0-2.34.0/./glib/gslice.c:1093
        tmem = 0xcf7150
        ix = 2
        chunk_size = 48
        acat = 32
#5  0x00007f314b19c4f5 in g_variant_unref (value=<optimized out>) at /build/buildd/glib2.0-2.34.0/./glib/gvariant-core.c:640
        __PRETTY_FUNCTION__ = "g_variant_unref"
#6  0x00007f314b19c581 in g_variant_release_children (value=0xffdca0) at /build/buildd/glib2.0-2.34.0/./glib/gvariant-core.c:257
        i = <optimized out>
#7  0x00007f314b19c4c0 in g_variant_unref (value=0xffdca0) at /build/buildd/glib2.0-2.34.0/./glib/gvariant-core.c:637
        __PRETTY_FUNCTION__ = "g_variant_unref"
#8  0x00007f314b947c80 in g_dbus_message_finalize (object=0x7f313c088320) at /build/buildd/glib2.0-2.34.0/./gio/gdbusmessage.c:125
        message = 0x7f313c088320
#9  0x00007f314b42c0a8 in g_object_unref (_object=0x7f313c088320) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:3023
        weak_locations = <optimized out>
        object = 0x7f313c088320
        old_ref = 1
        __PRETTY_FUNCTION__ = "g_object_unref"
#10 0x00007f314b93d45d in signal_instance_free (signal_instance=0x7f313c039bb0) at /build/buildd/glib2.0-2.34.0/./gio/gdbusconnection.c:3731
No locals.
#11 0x00007f314b165108 in g_source_callback_unref (cb_data=0x7f313c04eb90) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:1457
No locals.
#12 g_source_callback_unref (cb_data=0x7f313c04eb90) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:1449
        callback = 0x7f313c04eb90
#13 0x00007f314b16570a in g_source_destroy_internal (source=source@entry=0x7f313c049930, context=context@entry=0xd509e0, have_lock=have_lock@entry=1) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:1123
        tmp_list = <optimized out>
        old_cb_data = 0x7f313c04eb90
        old_cb_funcs = 0x7f314b4159e0
#14 0x00007f314b167b00 in g_main_dispatch (context=0xd509e0) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2739
        dispatch = 0x7f3100000000
        was_in_call = 0
        user_data = 0x7f313c039bb0
        callback = 0x7f314b93d690 <emit_signal_instance_in_idle_cb>
        cb_funcs = 0x7f314b4159e0
        cb_data = 0x7f313c04eb90
        current_source_link = {data = 0x7f313c049930, next = 0x0}
        need_destroy = 1
        source = 0x7f313c049930
        current = 0xd4b320
        i = <optimized out>
#15 g_main_context_dispatch (context=context@entry=0xd509e0) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
No locals.
#16 0x00007f314b167de8 in g_main_context_iterate (context=0xd509e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
        max_priority = 2147483647
        timeout = 526
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0xffb820
#17 0x00007f314b1681e2 in g_main_loop_run (loop=0xffb800) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#18 0x00007f314c2099cd in gtk_main () at /build/buildd/gtk+3.0-3.6.0/./gtk/gtkmain.c:1163
        loop = 0xffb800
#19 0x0000000000404b32 in main (argc=1, argv=0x7fffe1dcb2a8) at /build/buildd/unity-6.8.0/services/panel-main.c:431
        service = 0xe6a000
        owner_id = 2
        __PRETTY_FUNCTION__ = "main"