.
Thread 3 (Thread 0x7f7933fff700 (LWP 1452)):
#0  0x00007f794128cb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f79418deb04 in g_main_context_iterate (context=0x7f79340138d0, block=<optimized out>, dispatch=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.2/./glib/gmain.c:3146
        max_priority = 2147483647
        timeout = -1
        some_ready = -516
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x7f792c0010c0
#2  0x00007f79418def62 in g_main_loop_run (loop=0x7f7934015660) at /build/buildd/glib2.0-2.33.2/./glib/gmain.c:3312
        got_ownership = <optimized out>
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#3  0x00007f79423c86f6 in _g_dbus_worker_do_read_unlocked (worker=0x7f79340138a0) at /build/buildd/glib2.0-2.33.2/./gio/gdbusprivate.c:868
No locals.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f7938856700 (LWP 1451)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f794191aeb5 in g_cond_wait_until (cond=0x125c788, mutex=<optimized out>, end_time=<optimized out>) at /build/buildd/glib2.0-2.33.2/./glib/gthread-posix.c:861
        _g_boolean_var_ = <optimized out>
        ts = {tv_sec = 1, tv_nsec = 35961021}
        status = -516
#2  0x000000000125c780 in ?? ()
No symbol table info available.
#3  0x000000000125c798 in ?? ()
No symbol table info available.
#4  0x000000000125c780 in ?? ()
No symbol table info available.
#5  0x00007f79418b5331 in g_async_queue_pop_intern_unlocked (queue=0x39480448, queue@entry=0x125c780, wait=wait@entry=1, end_time=end_time@entry=35961021) at /build/buildd/glib2.0-2.33.2/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#6  0x00007f79418b597a in g_async_queue_timeout_pop (queue=0x125c780, timeout=15000000) at /build/buildd/glib2.0-2.33.2/./glib/gasyncqueue.c:545
        end_time = 35961021
        retval = <optimized out>
#7  0x00007f7941901f22 in g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.33.2/./glib/gthreadpool.c:382
        pool = <optimized out>
#8  0x00007f7941901765 in g_once_impl (once=0x125b4a0, func=0x89, arg=0x1) at /build/buildd/glib2.0-2.33.2/./glib/gthread.c:617
No locals.
#9  0x00007f7938856700 in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f794357d940 (LWP 1443)):
#0  0x00007f79418e5a09 in g_logv (log_domain=0x7f79420eae3e "GdkPixbuf", log_level=1954047348, format=0x657079540a736e6f <Address 0x657079540a736e6f out of bounds>, args1=0x7fff92e28df8) at /build/buildd/glib2.0-2.33.2/./glib/gmessages.c:768
        was_fatal = <optimized out>
        was_recursion = <optimized out>
        i = <optimized out>
#1  0x00007f79418e5250 in g_log_default_handler (log_domain=0x0, log_level=10, message=0x7f79420eae3e "GdkPixbuf", unused_data=<optimized out>) at /build/buildd/glib2.0-2.33.2/./glib/gmessages.c:1207
        level_prefix = "\nq\222Ay\177\000\000 \035'\001\000\000\000\000(\000\000\000\060\000\000\000\320\216\342\222\377\177\000\000\020\216\342\222\377\177\000\000p\212\342\222\377\177\000\000\260\211\342\222\377\177\000\000\260H&"
        string = <optimized out>
        gstring = 0x0
        fd = 0
        domains = <optimized out>
#2  0x0000000000000000 in ?? ()
No symbol table info available.