Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: 13 at address: 0x0000000000000000 [Switching to process 55247 thread 0x2f03] 0x000000010016f74d in rb_vm_make_env_object (th=0x107ddf4b0, cfp=0x109bffad8) at vm.c:491 491 lfp[0] = GC_GUARDED_PTR(&p->block); (gdb) bt #0 0x000000010016f74d in rb_vm_make_env_object (th=0x107ddf4b0, cfp=0x109bffad8) at vm.c:491 #1 0x000000010016f774 in rb_vm_make_proc [inlined] () at /Users/tim/.rvm/src/ruby-1.9.3-p362/vm.c:562 #2 0x000000010016f774 in rb_vm_make_env_object (th=0x107ddf4b0, cfp=0x109bffa80) at vm.c:546 #3 0x0000000100049574 in rb_binding_new () at proc.c:323 #4 0x000000010018c93a in call_trace_proc (args=, tracing=) at thread.c:4546 #5 0x000000010018c1c3 in thread_suppress_tracing (th=0x107ddf4b0, ev=, func=0x10018c770 , arg=4459065232, always=) at thread.c:4594 #6 0x000000010018c6c4 in call_trace_func (event=, proc=, self=, id=, klass=) at thread.c:4570 #7 0x000000010018b68f in exec_event_hooks (hook=0x107a5f3c0, flag=8, self=4335290760, id=0, klass=0) at thread.c:4163 #8 0x000000010018c354 in thread_exec_event_hooks (args=, running=) at thread.c:4200 #9 0x000000010018c1c3 in thread_suppress_tracing (th=0x107ddf4b0, ev=, func=0x10018c2b0 , arg=4459065920, always=) at thread.c:4594 #10 0x000000010018c29d in rb_threadptr_exec_event_hooks (th=0x107ddf4b0, flag=, self=, id=, klass=) at thread.c:4221 #11 0x0000000100179438 in vm_exec_core (th=0x107ddf4b0, initial=) at insns.def:878 #12 0x000000010017a573 in vm_exec (th=0x107ddf4b0) at vm.c:1227 #13 0x000000010017b8cd in rb_vm_invoke_proc (th=, proc=0x109905680, self=4335290760, argc=0, argv=0x109b000b0, blockptr=0x0) at vm.c:631 #14 0x000000010004aa9e in proc_call (argc=0, argv=0x109b000b0, procval=) at proc.c:561 #15 0x0000000100170477 in vm_call_cfunc [inlined] () at /Users/tim/.rvm/src/ruby-1.9.3-p362/vm_insnhelper.c:404 #16 0x0000000100170477 in vm_call_method (th=0x107ddf4b0, cfp=0x109bffce8, num=0, blockptr=0x1, flag=0, id=, me=0x10047a1d0, recv=4307233000) at vm_insnhelper.c:534 #17 0x0000000100175d3b in vm_exec_core (th=0x107ddf4b0, initial=) at insns.def:1018 #18 0x000000010017a573 in vm_exec (th=0x107ddf4b0) at vm.c:1227 #19 0x0000000100187bd1 in invoke_block_from_c [inlined] () at /Users/tim/.rvm/src/ruby-1.9.3-p362/vm.c:631 #20 0x0000000100187bd1 in vm_yield [inlined] () at vm.c:661 #21 0x0000000100187bd1 in rb_yield_0 [inlined] () at /Users/tim/.rvm/src/ruby-1.9.3-p362/vm_eval.c:760 #22 0x0000000100187bd1 in loop_i () at vm.c:818 #23 0x0000000100043d77 in rb_rescue2 (b_proc=0x1001879a0 , data1=0, r_proc=0, data2=0) at eval.c:647 #24 0x000000010016c836 in rb_f_loop (self=4335290760) at vm_eval.c:846 #25 0x0000000100170477 in vm_call_cfunc [inlined] () at /Users/tim/.rvm/src/ruby-1.9.3-p362/vm_insnhelper.c:404 #26 0x0000000100170477 in vm_call_method (th=0x107ddf4b0, cfp=0x109bffdf0, num=0, blockptr=0x109bffe19, flag=8, id=, me=0x100421490, recv=4335290760) at vm_insnhelper.c:534 #27 0x0000000100175d3b in vm_exec_core (th=0x107ddf4b0, initial=) at insns.def:1018 #28 0x000000010017a573 in vm_exec (th=0x107ddf4b0) at vm.c:1227 #29 0x0000000100189704 in catch_i (tag=2123790, data=) at vm.c:631 #30 0x000000010016bca5 in rb_catch_obj (tag=2123790, func=0x1001894b0 , data=0) at vm_eval.c:1554 #31 0x000000010016c440 in rb_f_catch (argc=, argv=) at vm_eval.c:1530 #32 0x0000000100170477 in vm_call_cfunc [inlined] () at /Users/tim/.rvm/src/ruby-1.9.3-p362/vm_insnhelper.c:404 #33 0x0000000100170477 in vm_call_method (th=0x107ddf4b0, cfp=0x109bffef8, num=1, blockptr=0x109bfff21, flag=8, id=, me=0x1004211d0, recv=4335290760) at vm_insnhelper.c:534 #34 0x0000000100175d3b in vm_exec_core (th=0x107ddf4b0, initial=) at insns.def:1018 #35 0x000000010017a573 in vm_exec (th=0x107ddf4b0) at vm.c:1227 #36 0x000000010017b8cd in rb_vm_invoke_proc (th=, proc=0x107da0950, self=4335290760, argc=0, argv=0x101c6ba78, blockptr=0x0) at vm.c:631 #37 0x0000000100191c97 in thread_start_func_2 (th=0x107ddf4b0, stack_start=0x109c81000) at thread.c:453 #38 0x0000000100191dec in thread_start_func_1 (th_ptr=0x107ddf4b0) at thread_pthread.c:653 #39 0x00007fff918e2742 in _pthread_start () #40 0x00007fff918cf181 in thread_start ()