Re: [BUG] Segfault in Thread#initialize / caller

Florian Gro<[e-mail]> writes:

>> -:6: [BUG] Segmentation fault
>> ruby 1.8.2 (2004-12-25) [i386-mswin32]
>> This application has requested the Runtime to terminate it in an
>> unusual way.
>> Please contact the application's support team for more information.          
>
> Chris2 was able to reproduce this on Mac OS X and is going to post a
> backtrace soon.

There you go:

Program received signal EXC_BAD_ACCESS, Could not access memory.
0xffff8a60 in __memcpy ()
(gdb) bt
#0  0xffff8a60 in __memcpy ()
#1  0x001d28c8 in rb_thread_save_context (th=0x1804000) at eval.c:9837
#2  0x001d5050 in rb_thread_start_0 (fn=0x1d52c4 <rb_thread_yield>, arg=0x28620, th=0x1804000) at eval.c:11424
#3  0x001ca0d0 in rb_call0 (klass=216968, recv=164888, id=2961, oid=2961, argc=0, argv=0xbfff1ec4, body=0x34f24, nosuper=0) at eval.c:5522
#4  0x001caa18 in rb_call (klass=216968, recv=164888, mid=2961, argc=0, argv=0xbfff1ec4, scope=1) at eval.c:5743
#5  0x001cac20 in rb_f_send (argc=0, argv=0xbfff1ec4, recv=164888) at ruby.h:631#6  0x001ca0d0 in rb_call0 (klass=232588, recv=164888, id=4033, oid=4033, argc=1, argv=0xbfff1ec0, body=0x36d60, nosuper=0) at eval.c:5522
#7  0x001caa18 in rb_call (klass=232588, recv=164888, mid=4033, argc=1, argv=0xbfff1ec0, scope=0) at eval.c:5743
#8  0x001c5280 in rb_eval (self=227768, n=0xbfff0ea0) at ruby.h:631
#9  0x001c42dc in rb_eval (self=227768, n=0xbfff0ea0) at eval.c:2949
#10 0x001c847c in rb_yield_0 (val=164888, self=227768, klass=0, flags=1, avalue=2) at eval.c:4726
#11 0x001d5088 in rb_thread_start_0 (fn=0x1d52c4 <rb_thread_yield>, arg=0x1f8cc, th=0x184c000) at eval.c:11426
#12 0x001ca0d0 in rb_call0 (klass=216968, recv=129248, id=2961, oid=2961, argc=1, argv=0xbfff6040, body=0x34f24, nosuper=0) at eval.c:5522
#13 0x001caa18 in rb_call (klass=216968, recv=129248, mid=2961, argc=1, argv=0xbfff6040, scope=1) at eval.c:5743
#14 0x001cdaac in rb_obj_call_init (obj=129248, argc=1, argv=0xbfff6040) at eval.c:7215
#15 0x001d53d8 in rb_thread_s_new (argc=129248, argv=0x25d56c, klass=1) at eval.c:11538
#16 0x001ca0d0 in rb_call0 (klass=216948, recv=216968, id=3369, oid=3369, argc=1, argv=0xbfff6040, body=0x34f4c, nosuper=0) at eval.c:5522
#17 0x001caa18 in rb_call (klass=216948, recv=216968, mid=3369, argc=1, argv=0xbfff6040, scope=0) at eval.c:5743
#18 0x001c5280 in rb_eval (self=227768, n=0xbfff0ea0) at ruby.h:631
#19 0x001c42dc in rb_eval (self=227768, n=0xbfff0ea0) at eval.c:2949
#20 0x001c847c in rb_yield_0 (val=164888, self=227768, klass=0, flags=0, avalue=0) at eval.c:4726
#21 0x001aed10 in rb_ary_each (ary=165768) at array.c:1131
#22 0x001ca0d0 in rb_call0 (klass=204728, recv=165768, id=3833, oid=3833, argc=0, argv=0x0, body=0x31b94, nosuper=0) at eval.c:5522
#23 0x001caa18 in rb_call (klass=204728, recv=165768, mid=3833, argc=0, argv=0x0, scope=0) at eval.c:5743
#24 0x001c5280 in rb_eval (self=227768, n=0xbfff0ea0) at ruby.h:631
#25 0x001c42dc in rb_eval (self=227768, n=0xbfff0ea0) at eval.c:2949
#26 0x001c847c in rb_yield_0 (val=6, self=227768, klass=0, flags=0, avalue=0) at eval.c:4726
#27 0x001c8974 in rb_f_loop () at eval.c:4870
#28 0x001ca0d0 in rb_call0 (klass=232588, recv=227768, id=3937, oid=2428784, argc=0, argv=0x0, body=0x370f8, nosuper=2429004) at eval.c:5522
#29 0x001caa18 in rb_call (klass=232588, recv=227768, mid=3937, argc=0, argv=0x0, scope=1) at eval.c:5743
#30 0x001c5280 in rb_eval (self=227768, n=0xbfff0ea0) at ruby.h:631
#31 0x001c42dc in rb_eval (self=227768, n=0xbfff0ea0) at eval.c:2949
#32 0x001c0f80 in ruby_exec_internal () at eval.c:1473
#33 0x001c0fdc in ruby_exec () at eval.c:1493
#34 0x001c1024 in ruby_run () at eval.c:1503
#35 0x00001d84 in main (argc=1, argv=0xbffffcec, envp=0xed24) at main.c:46
#36 0x00001844 in _start (argc=1, argv=0xbffffcec, envp=0xbffffcf4) at /SourceCache/Csu/Csu-47/crt.c:267
#37 0x8fe1a558 in __dyld__dyld_start ()


> Regards,
> Florian Gross

Happy hacking,
Christian Neukirchen
<[e-mail]>