#0  0x00007f20c8c15120 in ?? ()
No symbol table info available.
#1  0x00007f20c9086e3d in ?? ()
No symbol table info available.
#2  0x000000000000000a in ?? ()
No symbol table info available.
#3  0x00007fff6dcc3260 in ?? ()
No symbol table info available.
#4  0x00007fff6dcc3240 in ?? ()
No symbol table info available.
#5  0x00007f20db331c81 in _xcb_in_wake_up_next_reader (c=<optimized out>) at ../../src/xcb_in.c:621
        pthreadret = <optimized out>
#6  0x00007f20db331db2 in wait_for_reply (c=0x1e8e6d0, request=139778167333248, e=0x7f20bcb26190) at ../../src/xcb_in.c:397
        ret = 0x0
#7  0x00007fff6dcc3450 in ?? ()
No symbol table info available.
#8  0x00000000010aaaa0 in ?? ()
No symbol table info available.
#9  0x0000000001e8e6d0 in ?? ()
No symbol table info available.
#10 0x00000000010aaaa0 in ?? ()
No symbol table info available.
#11 0x00007f20c9007e3f in ?? ()
No symbol table info available.
#12 0x00007fff6dcc33a0 in ?? ()
No symbol table info available.
#13 0x00007f20dce37496 in _XReply (dpy=0x10d7090, rep=0x0, extra=32, discard=48) at ../../src/xcb_io.c:699
        ret_code = <optimized out>
        error = 0x7fff6dcc3630
        c = 0x10aaa70
        reply = 0x7f20a402e180 "\022"
        current = 0x0
        __PRETTY_FUNCTION__ = "_XReply"
#14 0x0000000000000001 in ?? ()
No symbol table info available.
#15 0x00007fff6dcc3450 in ?? ()
No symbol table info available.
#16 0x0000000001e8e6d0 in ?? ()
No symbol table info available.
#17 0x00007fff6dcc3618 in ?? ()
No symbol table info available.
#18 0x0000000000000208 in ?? ()
No symbol table info available.
#19 0x0000000040000002 in ?? ()
No symbol table info available.
#20 0x00007f20dbcb053c in thread_memory_from_self () at /build/buildd/glib2.0-2.33.8/./glib/gslice.c:500
        tmem = <optimized out>
#21 g_slice_free1 (mem_size=17476208, mem_block=0x0) at /build/buildd/glib2.0-2.33.8/./glib/gslice.c:1087
        tmem = 0x10aaa70
        ix = <optimized out>
        chunk_size = 1
        acat = 4294967295
#22 0x00000000010aaac0 in ?? ()
No symbol table info available.
#23 0x00007fff6dcc3600 in ?? ()
No symbol table info available.
#24 0x00000000010aab30 in ?? ()
No symbol table info available.
#25 0x00000000010aaa70 in ?? ()
No symbol table info available.
#26 0x00007fff6dcc3450 in ?? ()
No symbol table info available.
#27 0x00007fff6dcc34d0 in ?? ()
No symbol table info available.
#28 0x00007f20dacf0aa8 in g_signal_emit_valist (instance=<error reading variable: Cannot access memory at address 0x28a6>, signal_id=<optimized out>, detail=<error reading variable: Cannot access memory at address 0x2892>, var_args=<error reading variable: Cannot access memory at address 0x2886>) at /build/buildd/glib2.0-2.33.8/./gobject/gsignal.c:3211
        return_accu = <optimized out>
        accu = <error reading variable accu (Cannot access memory at address 0x28ae)>
        accumulator = 0x7f20dbc85cf9
        emission = <error reading variable emission (Cannot access memory at address 0x292e)>
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = <error reading variable emission_return (Cannot access memory at address 0x28ce)>
        rtype = <error reading variable rtype (Cannot access memory at address 0x289e)>
        static_scope = <error reading variable static_scope (Cannot access memory at address 0x2876)>
        closure = 0x0
        run_type = <optimized out>
        hlist = 0x7f20dbc85cf9
        l = <optimized out>
        fastpath = <error reading variable fastpath (Cannot access memory at address 0x289e)>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x7c49180
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
Backtrace stopped: previous frame inner to this frame (corrupt stack?)