GNU DDD 3.3.11 (x86_64-suse-linux-gnu), by Dorothea Lütkehaus and Andreas Zeller.
Copyright © 1995-1999 Technische Universität Braunschweig, Germany.
Copyright © 1999-2001 Universität Passau, Germany.
Copyright © 2001 Universität des Saarlandes, Germany.
Copyright © 2001-2004 Free Software Foundation, Inc.
(gdb) file /home/znmeb/test/bin/ruby
(gdb) core-file /home/znmeb/Packages/ruby/ext/dl/test/core.28787
warning: Can't read pathname for load map: Input/output error.
[New Thread 28789]
Core was generated by `ruby test_all.rb'.
Program terminated with signal 6, Aborted.
#0  0x00007f94989be645 in raise () from /lib64/libc.so.6
(gdb) where
#0  0x00007f94989be645 in raise () from /lib64/libc.so.6
#1  0x00007f94989bfc33 in abort () from /lib64/libc.so.6
#2  0x000000000054fc4c in rb_bug (fmt=0x57bfa7 "Segmentation fault") at error.c:233
#3  0x00000000004af46b in sigsegv (sig=11, info=0x8beaf0, ctx=0x8be9c0) at signal.c:600
#4  <signal handler called>
#5  0x00007f94989b75fe in isdigit () from /lib64/libc.so.6
#6  0x00007f94982d0fc3 in rb_dlcfunc_call (self=11566240, ary=11565720) at cfunc.c:316
#7  0x00000000005104a5 in call_cfunc (func=0x7f94982cd00b <rb_dlcfunc_call>, recv=11566240, len=1, argc=1, argv=0x7f949984e1f0) at vm_insnhelper.c:290
#8  0x00000000005102cc in vm_call_cfunc (th=0x7f8b90, reg_cfp=0x7f949994dad0, num=1, id=5536, oid=5536, recv=11566240, klass=10799800, flag=0, mn=0xa4c838, blockptr=0x0) at vm_insnhelper.c:374
#9  0x000000000050fa9e in vm_call_method (th=0x7f8b90, cfp=0x7f949994dad0, num=1, blockptr=0x0, flag=0, id=5536, mn=0xa4c810, recv=11566240) at vm_insnhelper.c:500
#10 0x000000000050b382 in vm_exec_core (th=0x7f8b90, initial=0) at insns.def:999
#11 0x00000000005186b9 in vm_exec (th=0x7f8b90) at vm.c:1063
#12 0x00000000005173f7 in invoke_block_from_c (th=0x7f8b90, block=0x7f949994dd38, self=11737360, argc=1, argv=0x7fffa19bc1c8, blockptr=0x0, cref=0x0) at vm.c:509
#13 0x000000000051747e in vm_yield (th=0x7f8b90, argc=1, argv=0x7fffa19bc1c8) at vm.c:539
#14 0x000000000051452c in rb_yield_0 (argc=1, argv=0x7fffa19bc1c8) at vm_eval.c:483
#15 0x00000000005144fd in rb_yield (val=11570440) at vm_eval.c:493
#16 0x000000000052c46b in rb_ary_each (ary=11570120) at array.c:1343
#17 0x0000000000510486 in call_cfunc (func=0x52c3e1 <rb_ary_each>, recv=11570120, len=0, argc=0, argv=0x7f949984e0f8) at vm_insnhelper.c:287
#18 0x00000000005102cc in vm_call_cfunc (th=0x7f8b90, reg_cfp=0x7f949994dd10, num=0, id=424, oid=424, recv=11570120, klass=8647040, flag=0, mn=0x83e398, blockptr=0x7f949994dd38) at vm_insnhelper.c:374
#19 0x000000000050fa9e in vm_call_method (th=0x7f8b90, cfp=0x7f949994dd10, num=0, blockptr=0x7f949994dd38, flag=0, id=424, mn=0x83e370, recv=11570120) at vm_insnhelper.c:500
#20 0x000000000050b382 in vm_exec_core (th=0x7f8b90, initial=0) at insns.def:999
#21 0x00000000005186b9 in vm_exec (th=0x7f8b90) at vm.c:1063
#22 0x00000000005173f7 in invoke_block_from_c (th=0x7f8b90, block=0x7f949994de58, self=11737360, argc=1, argv=0x7fffa19bd1d8, blockptr=0x0, cref=0x0) at vm.c:509
#23 0x000000000051747e in vm_yield (th=0x7f8b90, argc=1, argv=0x7fffa19bd1d8) at vm.c:539
#24 0x000000000051452c in rb_yield_0 (argc=1, argv=0x7fffa19bd1d8) at vm_eval.c:483
#25 0x00000000005144fd in rb_yield (val=12348640) at vm_eval.c:493
#26 0x000000000052c46b in rb_ary_each (ary=11736760) at array.c:1343
#27 0x0000000000510486 in call_cfunc (func=0x52c3e1 <rb_ary_each>, recv=11736760, len=0, argc=0, argv=0x7f949984e0b8) at vm_insnhelper.c:287
#28 0x00000000005102cc in vm_call_cfunc (th=0x7f8b90, reg_cfp=0x7f949994de30, num=0, id=424, oid=424, recv=11736760, klass=8647040, flag=0, mn=0x83e398, blockptr=0x7f949994de58) at vm_insnhelper.c:374
#29 0x000000000050fa9e in vm_call_method (th=0x7f8b90, cfp=0x7f949994de30, num=0, blockptr=0x7f949994de58, flag=0, id=424, mn=0x83e370, recv=11736760) at vm_insnhelper.c:500
#30 0x000000000050b382 in vm_exec_core (th=0x7f8b90, initial=0) at insns.def:999
#31 0x00000000005186b9 in vm_exec (th=0x7f8b90) at vm.c:1063
#32 0x00000000005173f7 in invoke_block_from_c (th=0x7f8b90, block=0xa50090, self=10323960, argc=0, argv=0xb31948, blockptr=0x0, cref=0x0) at vm.c:509
#33 0x000000000051758c in vm_invoke_proc (th=0x7f8b90, proc=0xa50090, self=10323960, argc=0, argv=0xb31948, blockptr=0x0) at vm.c:556
#34 0x000000000041de07 in rb_proc_call (self=10808160, args=11737400) at proc.c:536
#35 0x000000000041ac69 in rb_call_end_proc (data=10808160) at eval_jump.c:13
#36 0x000000000041af8c in rb_exec_end_proc () at eval_jump.c:133
#37 0x000000000041b24f in ruby_finalize_0 () at eval.c:107
#38 0x000000000041b33a in ruby_cleanup (ex=0) at eval.c:142
#39 0x000000000041b670 in ruby_run_node (n=0x807000) at eval.c:233
#40 0x0000000000419e7b in main (argc=2, argv=0x7fffa19be7f8) at main.c:35
(gdb)