#0  0x00007f8cd8d0dfc7 in scm_internal_hash_fold (fn=0x7f8cd8d48680 <collect_keys>, closure=0x0, init=0x304, table=0x92f0e0) at hashtab.c:1435
        ls = 0x0
        handle = 0x9837a0
        i = 7
        n = 31
        buckets = 0xe92550
        result = 0xf3ed80
#1  0x00007f8cd8d486e9 in scm_c_port_for_each (proc=0x7f8cd8d48a88 <flush_output_port>, data=0x0) at ports.c:974
        ports = 0x989080
#2  0x00007f8cd8d48adc in scm_flush_all_ports () at ports.c:1110
No locals.
#3  0x00007f8cd8d135e5 in really_cleanup_for_exit (unused=0x0) at init.c:362
No locals.
#4  0x00007f8cd8cdf2ac in c_body (d=0x7fff48d06f10) at continuations.c:517
        data = 0x7fff48d06f10
#5  0x00007f8cd8d8f606 in apply_catch_closure (clo=0xf3cea0, args=0x304) at throw.c:140
        body = 0x7f8cd8cdf284 <c_body>
        data = 0x7fff48d06f10
#6  0x00007f8cd8d61470 in apply_1 (smob=0xf3cea0, a=0x304) at smob.c:142
        subr = 0x7f8cd8d8f5b5 <apply_catch_closure>
#7  0x00007f8cd8d99cc3 in vm_regular_engine (vm=0x987de0, program=0x981720, argv=0x7fff48d06dd0, nargs=2) at vm-i-system.c:858
        pointer = 0x9851c0
        ret = 0xf3ce00
        subr = 0x7f8cd8d61420 <apply_1>
        vp = 0x988f80
        bp = 0x7f8cd8ddcfa8 <raw_bytecode+456>
        objects = 0x981750
        stack_limit = 0xa08000
        current_thread = 0x902e00
        vm_cookie = 7201
        nvalues = 0
        jump_table_pointer = 0x8b0db0
        jump_table = 0x8b0db0
#8  0x00007f8cd8dba6d8 in scm_c_vm_run (vm=0x987de0, program=0x922c00, argv=0x7fff48d06db0, nargs=4) at vm.c:761
        vp = 0x988f80
#9  0x00007f8cd8ce9d7b in scm_call_4 (proc=0x922c00, arg1=0x404, arg2=0xf3cea0, arg3=0xf3ce80, arg4=0xf3ce60) at eval.c:507
        args = {0x404, 0xf3cea0, 0xf3ce80, 0xf3ce60}
#10 0x00007f8cd8d8f45c in scm_catch_with_pre_unwind_handler (key=0x404, thunk=0xf3cea0, handler=0xf3ce80, pre_unwind_handler=0xf3ce60) at throw.c:73
No locals.
#11 0x00007f8cd8d8f6de in scm_c_catch (tag=0x404, body=0x7f8cd8cdf284 <c_body>, body_data=0x7fff48d06f10, handler=0x7f8cd8cdf2be <c_handler>, handler_data=0x7fff48d06f10, pre_unwind_handler=0x7f8cd8cdf318 <pre_unwind_handler>, pre_unwind_handler_data=0x987d60) at throw.c:207
        sbody = 0xf3cea0
        shandler = 0xf3ce80
        spre_unwind_handler = 0xf3ce60
#12 0x00007f8cd8cdf0fb in scm_i_with_continuation_barrier (body=0x7f8cd8cdf284 <c_body>, body_data=0x7fff48d06f10, handler=0x7f8cd8cdf2be <c_handler>, handler_data=0x7fff48d06f10, pre_unwind_handler=0x7f8cd8cdf318 <pre_unwind_handler>, pre_unwind_handler_data=0x987d60) at continuations.c:455
        stack_item = 7810757397057922419
        thread = 0x902e00
        old_controot = 0x923d30
        old_contbase = 0x7fff48d07070
        result = 0x7fff48d06ef0
#13 0x00007f8cd8cdf3c4 in scm_c_with_continuation_barrier (func=0x7f8cd8d135d4 <really_cleanup_for_exit>, data=0x0) at continuations.c:551
        c_data = {func = 0x7f8cd8d135d4 <really_cleanup_for_exit>, data = 0x0, result = 0x7f8cd7f03960}
#14 0x00007f8cd8d8c325 in with_guile_trampoline (data=0x7fff48d07070) at threads.c:888
        args = 0x7fff48d07070
#15 0x00007f8cd42b1d25 in GC_call_with_gc_active (fn=0x7f8cd8d8c2f7 <with_guile_trampoline>, client_data=0x7fff48d07070) at pthread_support.c:1270
        stacksect = {saved_stack_ptr = 0x7fff48d07070 "\324\065\321\330\214\177", prev = 0x7fff48d07070}
        self = <optimized out>
        me = 0x7f8cd44d02c0 <first_thread>
#16 0x00007f8cd8d8b332 in with_gc_active (func=0x7f8cd8d8c2f7 <with_guile_trampoline>, data=0x7fff48d07070) at threads.c:236
No locals.
#17 0x00007f8cd8d8c440 in with_guile_and_parent (base=0x7fff48d07020, base@entry=<error reading variable: value has been optimized out>, data=0x7fff48d07070, data@entry=<error reading variable: value has been optimized out>) at threads.c:934
        res = 0x662f656d6f682f2f
        new_thread = 0
        t = 0x902e00
        args = 0x7fff48d07070
        __PRETTY_FUNCTION__ = "with_guile_and_parent"
#18 0x00007f8cd42abc42 in GC_call_with_stack_base (fn=<optimized out>, arg=<optimized out>) at misc.c:1840
        base = {mem_base = 0x7fff48d07020}
        result = <optimized out>
#19 0x00007f8cd8d8c4a3 in scm_i_with_guile_and_parent (func=0x7f8cd8d135d4 <really_cleanup_for_exit>, data=0x0, parent=0xb2ca50) at threads.c:949
        args = {func = 0x7f8cd8d135d4 <really_cleanup_for_exit>, data = 0x0, parent = 0xb2ca50}
#20 0x00007f8cd8d8c4e3 in scm_with_guile (func=0x7f8cd8d135d4 <really_cleanup_for_exit>, data=0x0) at threads.c:955
No locals.
#21 0x00007f8cd8d13647 in cleanup_for_exit () at init.c:380
No locals.
#22 0x00007f8cd7f392e0 in __run_exit_handlers (status=0, listp=0x7f8cd82c05d8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true) at exit.c:83
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        f = <optimized out>
#23 0x00007f8cd7f3933a in __GI_exit (status=<optimized out>) at exit.c:105
No locals.
#24 0x00007f8cd8d13553 in scm_boot_guile (argc=2, argv=0x7fff48d07278, main_func=0x419c80 <main_prog>, closure=0x0) at init.c:332
        res = 0x1
        c = {main_func = 0x419c80 <main_prog>, closure = 0x0, argc = 2, argv = 0x7fff48d07278}
#25 0x0000000000413c51 in main (argc=2, argv=0x7fff48d07278) at gschem.c:355
No locals.