ruby-dev

なかだです。

At Thu, 6 Nov 2003 21:45:51 +0900,
Hidetoshi NAGAI wrote:
> > 実行中にリサイズするとSEGVするようです。tcl-8.3.5です。
> > 
> > (gdb) bt 20
> > #0  0x401656a1 in kill () from /lib/i686/libc.so.6
> > #1  0x407129bd in pthread_kill () from /lib/i686/libpthread.so.0
> > #2  0x40712cdb in raise () from /lib/i686/libpthread.so.0
> 
> pthread が絡んでますねぇ．．．
> 導入されたばかりの --with-pthread-ext オプション付きで 
> configure した上で ruby 本体を make して試してみていただけませんか？

実は最初それで試してたので、逆にそれを疑って外してみたのが先の
結果です。

--with-pthread-ext付きでも、<signal handler called>の前に
__pthread_sighandlerが入るだけで、ほぼ同じです。

(gdb) bt 20
#0  0x401b56a1 in kill () from /lib/i686/libc.so.6
#1  0x400f19bd in pthread_kill () from /lib/i686/libpthread.so.0
#2  0x400f1cdb in raise () from /lib/i686/libpthread.so.0
#3  0x401b5444 in raise () from /lib/i686/libc.so.6
#4  0x401b697b in abort () from /lib/i686/libc.so.6
#5  0x40031e06 in rb_bug (fmt=0x400ad3e4 "Segmentation fault")
    at /home/nobu/src/ruby/1.8/error.c:199
#6  0x4008459a in sigsegv (sig=11) at /home/nobu/src/ruby/1.8/signal.c:419
#7  0x400f44be in __pthread_sighandler () from /lib/i686/libpthread.so.0
#8  <signal handler called>
#9  0xbfffb049 in ?? ()
#10 0x4062ef54 in TclSetCmdNameObj () from /usr/lib/libtcl8.3.so
#11 0x4062ed63 in Tcl_GetCommandFromObj () from /usr/lib/libtcl8.3.so
#12 0x4064926b in TclExpandTokenArray () from /usr/lib/libtcl8.3.so
#13 0x40649c02 in Tcl_EvalEx () from /usr/lib/libtcl8.3.so
#14 0x40649f66 in Tcl_Eval () from /usr/lib/libtcl8.3.so
#15 0x400c3e1a in ip_eval (self=1078856172, str=1078145952)
    at /home/nobu/src/ruby/1.8/ext/tcltklib/tcltklib.c:1761
#16 0x40047c1a in call_cfunc (func=0x400c3d64 <ip_eval>, recv=1078856172, len=1074758520, argc=1,
    argv=0x6) at /home/nobu/src/ruby/1.8/eval.c:4853
#17 0x4003ce23 in rb_call0 (klass=1078863192, recv=1078856172, id=20025, oid=0, argc=1,
    argv=0xbffe5180, body=0x404e1fb8, nosuper=0) at /home/nobu/src/ruby/1.8/eval.c:4981
#18 0x4003d5ff in rb_call (klass=1078863192, recv=1078856172, mid=20025, argc=1, argv=0xbffe5180,
    scope=1) at /home/nobu/src/ruby/1.8/eval.c:5202
#19 0x40038de2 in rb_eval (self=1078856172, n=0x0) at ruby.h:638
(More stack frames follow...)

(gdb) up 15
#15 0x400c3e1a in ip_eval (self=1078856172, str=1078145952)
    at /home/nobu/src/ruby/1.8/ext/tcltklib/tcltklib.c:1761
1761        ptr->return_value = Tcl_Eval(ptr->ip, buf);

(gdb) p buf
$1 = 0xbffe4f70 "global v00004; set v00004 \"0\""

-- 
--- 僕の前にBugはない。
--- 僕の後ろにBugはできる。
    中田 伸悦

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