Bug #3559: sigsegv in gc.c:1051
http://redmine.ruby-lang.org/issues/show/3559

Author: jojelino lastname
Status: Open, Priority: Low
Category: core, Target version: 1.9.2
ruby -v: ruby 1.9.3dev (2010-06-27 trunk 28448) [i386-mingw32]

it occasionally crashes, but i dun know where to start.
it occured when freelist dereferences invalid freelist->as.free.next address.
because the process accidentally terminated during collecting stack dump, you 'll need to wait for more crashes....
30 rb_newobj_from_heap() \tmp\ruby\gc.c:1051 0x62d5368a	
29 rb_newobj() \tmp\ruby\gc.c:1128 0x62d5368a	
28 str_alloc() \tmp\ruby\string.c:378 0x62dfea9d	
27 rb_str_resurrect() \tmp\ruby\string.c:901 0x62dfea9d	
26 vm_exec_core() \tmp\ruby\insns.def:379 0x62e47887	
25 vm_exec() \tmp\ruby\vm.c:1145 0x62e4e16f	
24 invoke_block_from_c() \tmp\ruby\vm.c:557 0x62e4ed38	
23 vm_yield() \tmp\ruby\vm.c:587 0x62e5427e	
22 rb_yield_0() \tmp\ruby\vm_eval.c:730 0x62e5427e	
21 loop_i() \tmp\ruby\vm_eval.c:788 0x62e5427e	
20 rb_rescue2() \tmp\ruby\eval.c:646 0x62d3f61f	
19 rb_f_loop() \tmp\ruby\vm_eval.c:816 0x62e443e4	
18 vm_call_cfunc() \tmp\ruby\vm_insnhelper.c:401 0x62e53981	
17 vm_call_method() \tmp\ruby\vm_insnhelper.c:523 0x62e53981	
16 vm_exec_core() \tmp\ruby\insns.def:1006 0x62e49292	
15 vm_exec() \tmp\ruby\vm.c:1145 0x62e4e16f	
14 vm_call0() \tmp\ruby\vm_eval.c:66 0x62e4f518	
13 rb_obj_call_init() \tmp\ruby\eval.c:860 0x62d3fae2	
12 rb_class_new_instance() \tmp\ruby\object.c:1547 0x62d8abfa	
11 call_cfunc() \tmp\ruby\vm_insnhelper.c:314 0x62e43d8d	
10 vm_call_cfunc() \tmp\ruby\vm_insnhelper.c:401 0x62e53981	
9 vm_call_method() \tmp\ruby\vm_insnhelper.c:523 0x62e53981	
8 vm_exec_core() \tmp\ruby\insns.def:1006 0x62e49292	
7 vm_exec() \tmp\ruby\vm.c:1145 0x62e4e16f	
6 invoke_block_from_c() \tmp\ruby\vm.c:557 0x62e4ed38	
5 rb_vm_invoke_proc() \tmp\ruby\vm.c:603 0x62e4f1a0	
4 thread_start_func_2() \tmp\ruby\thread.c:441 0x62e5c055	
3 thread_start_func_1() \tmp\ruby\thread_win32.c:479 0x62e5c190


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