[#25936] [Bug:1.9] [rubygems] $LOAD_PATH includes bin directory — Nobuyoshi Nakada <nobu@...>

Hi,

10 messages 2009/10/05

[#25943] Disabling tainting — Tony Arcieri <tony@...>

Would it make sense to have a flag passed to the interpreter on startup that

16 messages 2009/10/05

[#26028] [Bug #2189] Math.atanh(1) & Math.atanh(-1) should not raise an error — Marc-Andre Lafortune <redmine@...>

Bug #2189: Math.atanh(1) & Math.atanh(-1) should not raise an error

14 messages 2009/10/10

[#26222] [Bug #2250] IO::for_fd() objects' finalization dangerously closes underlying fds — Mike Pomraning <redmine@...>

Bug #2250: IO::for_fd() objects' finalization dangerously closes underlying fds

11 messages 2009/10/22

[#26244] [Bug #2258] Kernel#require inside rb_require() inside rb_protect() inside SysV context fails — Suraj Kurapati <redmine@...>

Bug #2258: Kernel#require inside rb_require() inside rb_protect() inside SysV context fails

24 messages 2009/10/22

[#26361] [Feature #2294] [PATCH] ruby_bind_stack() to embed Ruby in coroutine — Suraj Kurapati <redmine@...>

Feature #2294: [PATCH] ruby_bind_stack() to embed Ruby in coroutine

42 messages 2009/10/27

[#26371] [Bug #2295] segmentation faults — tomer doron <redmine@...>

Bug #2295: segmentation faults

16 messages 2009/10/27

[ruby-core:26247] [Bug #2258] Kernel#require inside rb_require() inside rb_protect() inside SysV context fails

From: Suraj Kurapati <redmine@...>
Date: 2009-10-23 03:24:54 UTC
List: ruby-core #26247
Issue #2258 has been updated by Suraj Kurapati.


Hi,

Below is a full GDB backtrace of the bug in Ruby 1.9.2dev.
I hope this is more useful than the output I posted so far.

Thanks for your consideration.

###############################################################
# ruby -v extconf.rb && sed -i 's,-shared,,g' Makefile
###############################################################

ruby 1.9.2dev (2009-10-23 trunk 25426) [i686-linux]
checking for ruby_init() in -lruby-static... yes
checking for ruby_sysinit()... yes
checking for sys/ucontext.h... yes
creating Makefile

###############################################################
# make && gdb ./main.so
###############################################################

gcc -I. -I/home/sun/app/ruby/include/ruby-1.9.1/i686-linux -I/home/sun/app/ruby/include/ruby-1.9.1/ruby/backward -I/home/sun/app/ruby/include/ruby-1.9.1 -I. -DHAVE_RUBY_SYSINIT -DHAVE_SYS_UCONTEXT_H  -D_FILE_OFFSET_BITS=64  -fPIC -g  -o main.o -c main.c
gcc  -o main.so main.o -L. -L/home/sun/app/ruby/lib -Wl,-R/home/sun/app/ruby/lib -L.  -rdynamic -Wl,-export-dynamic    -lruby-static  -lpthread -lrt -ldl -lcrypt -lm   -lc
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/sun/lab/ruby-ucontext/main.so...done.
(gdb) run
Starting program: /home/sun/lab/ruby-ucontext/main.so 
[Thread debugging using libthread_db enabled]
[New Thread 0xb7fdfb70 (LWP 1814)]
Main: relay_from_main_to_ruby() begin
Ruby: context begin
Ruby: relay 0
Ruby: relay_from_ruby_to_main() begin
Main: relay_from_main_to_ruby() end
Main: relay_from_main_to_ruby() begin
Ruby: relay_from_ruby_to_main() end
Ruby: relay 1
Ruby: relay_from_ruby_to_main() begin
Main: relay_from_main_to_ruby() end
Main: relay_from_main_to_ruby() begin
Ruby: relay_from_ruby_to_main() end
Ruby: relay 2
Ruby: relay_from_ruby_to_main() begin
Main: relay_from_main_to_ruby() end
Main: relay_from_main_to_ruby() begin
Ruby: relay_from_ruby_to_main() end
Ruby: require 'hello' begin
~~~~> Hello World!  The time is 2009-10-22 20:18:23 -0700.
~~~~> Doing relay from /home/sun/lab/ruby-ucontext/hello.rb:3
Ruby: relay_from_ruby_to_main() begin
Main: relay_from_main_to_ruby() end
Main: relay_from_main_to_ruby() begin
Ruby: relay_from_ruby_to_main() end
~~~~> OMG, back from main!! :-)

Program received signal SIGSEGV, Segmentation fault.
mark_locations_array (objspace=0x82134f0, x=0x82d9000, n=-302737297) at gc.c:1312
1312	        v = *x;
(gdb) bt full
#0  mark_locations_array (objspace=0x82134f0, x=0x82d9000, n=-302737297) at gc.c:1312
        v = 0
#1  0x08071bd0 in gc_mark_locations (objspace=0x82134f0, start=0x82036c0, end=0xbffff1c0) at gc.c:1328
        n = -302518592
#2  0x080732cd in mark_current_machine_context (objspace=0x82134f0, th=0x8213290) at gc.c:2123
        save_regs_gc_mark = {{__jmpbuf = {136398340, 136398660, 136400040, 136329096, -859083016, 
              -2101213448}, __mask_was_saved = 0, __saved_mask = {__val = {136328984, 134735412, 
                136569480, 4294967295, 136329016, 134922497, 136603800, 136534240, 136329016, 
                134923347, 136550480, 918079462, 712, 136603800, 1, 136393360, 136329064, 134684644, 
                136398372, 136398374, 136603800, 134960397, 137160472, 10128, 3085330718, 136556320, 
                136590280, 136398340, 136329096, 134684829, 136393968, 136556320}}}}
        stack_start = 0x82036c0
        stack_end = 0xbffff1c0
#3  0x08073514 in garbage_collect (objspace=0x82134f0) at gc.c:2172
        list = 0xb7f3c380
        th = 0x8213290
        gc_time = 0
        count = 0
#4  0x080715ca in rb_newobj_from_heap (objspace=0x82134f0) at gc.c:1011
        obj = 134679951
#5  0x08071683 in rb_newobj () at gc.c:1094
        th = 0x8213290
        objspace = 0x82134f0
#6  0x08071690 in rb_node_newnode (type=NODE_SCOPE, a0=137166880, a1=136398340, a2=136398660)
    at gc.c:1101
        n = 0x14
#7  0x080b27da in node_newnode (parser=0x82bb4a0, type=NODE_SCOPE, a0=137166880, a1=136398340, 
    a2=136398660) at parse.y:7674
        n = 0x82d0020
#8  0x080a8209 in ruby_yyparse (parser=0x82bb4a0) at parse.y:2928
        body = 0x8214604
        yychar = -2
        yylval = {val = 6, node = 0x6, id = 6, num = 6}
        yynerrs = 0
        yystate = 953
        yyerrstatus = 0
        yyssa = {0, 2, 65, 283, 87, 349, 564, 698, 65, 283, 89, 366, 574, 708, 808, 871, 908, 936, 953, 
          786, 856, 399, 602, 601, 602, 601, 722, 774, 466, 601, 601, 505, 399, 602, 601, 602, 601, 
          796, 864, 905, 687, 796, 864, 905, 687, 796, 864, 905, 687, 796, 864, 905, 480, 326, 535, 
          667, 775, 850, 499, 390, 541, 671, 399, 602, 601, 0, 12944, 2081, 13552, 2081, 0, 0, 8192, 0, 
          15640, 2080, -22393, 2063, 26776, 2084, -26584, 2083, 15656, 2080, -23694, 2069, -26604, 
          2083, 2, 0, 15688, 2080, -22043, 2063, -26596, 2083, -18936, 2091, 15688, 2080, -23644, 2069, 
          -26604, 2083, 2, 0, 15720, 2080, -24124, 2063, -26594, 2083, -26594, 2083, 15720, 2080, 
          -14319, 2055, -26604, 2083, 26776, 2084, 2, 0, 8192, 0, -19112, 2091, 4960, 2091, 15784, 
          2080, -8337, 2055, -26604, 2083, -19112, 2091, 26776, 2084, 15748, 2080, -19112, 2091, 0, 16, 
          -26604, 2083, 2, 0, 2, 0, 2, 0, -18936, 2091, -18935, 2091, -26584, 2083, 14176, 2084, 15880, 
          2080, -7508, 2055, -19112, 2091, 26776, 2084, 16104, 2080, -4494, 2067, 2, 0, 16400, 2080, 4, 
          0, -19112, 2091, 0, 0, 26776, 2084, 15880, 2080, 15864, 2080, 2, 0, 12296, 2081, 2432, 2091, 
          2, 0, 13552, 2081}
        yyss = 0x8203c64
        yyssp = 0x8203c88
        yyvsa = {{val = 3086200820, node = 0xb7f3aff4, id = 3086200820, num = -1208766476}, {val = 0, 
            node = 0x0, id = 0, num = 0}, {val = 136415420, node = 0x82188bc, id = 136415420, 
            num = 136415420}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 6, node = 0x6, id = 6, 
            num = 6}, {val = 136414380, node = 0x82184ac, id = 136414380, num = 136414380}, {
            val = 136414340, node = 0x8218484, id = 136414340, num = 136414340}, {val = 1550, 
            node = 0x60e, id = 1550, num = 1550}, {val = 136410200, node = 0x8217458, id = 136410200, 
            num = 136410200}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 6, node = 0x6, id = 6, 
---Type <return> to continue, or q <return> to quit---
            num = 6}, {val = 136398900, node = 0x8214834, id = 136398900, num = 136398900}, {val = 6, 
            node = 0x6, id = 6, num = 6}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 10896, 
            node = 0x2a90, id = 10896, num = 10896}, {val = 0, node = 0x0, id = 0, num = 0}, {
            val = 136398660, node = 0x8214744, id = 136398660, num = 136398660}, {val = 136398340, 
            node = 0x8214604, id = 136398340, num = 136398340}, {val = 6, node = 0x6, id = 6, num = 6}, 
          {val = 0, node = 0x0, id = 0, num = 0}, {val = 0, node = 0x0, id = 0, num = 0}, {
            val = 136398440, node = 0x8214668, id = 136398440, num = 136398440}, {val = 0, node = 0x0, 
            id = 0, num = 0}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 0, node = 0x0, id = 0, 
            num = 0}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 0, node = 0x0, id = 0, num = 0}, {
            val = 6, node = 0x6, id = 6, num = 6}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 6, 
            node = 0x6, id = 6, num = 6}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 136425000, 
            node = 0x821ae28, id = 136425000, num = 136425000}, {val = 136425100, node = 0x821ae8c, 
            id = 136425100, num = 136425100}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 6, 
            node = 0x6, id = 6, num = 6}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 6, node = 0x6, 
            id = 6, num = 6}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 136468120, 
            node = 0x8225698, id = 136468120, num = 136468120}, {val = 136465420, node = 0x8224c0c, 
            id = 136465420, num = 136465420}, {val = 136467880, node = 0x82255a8, id = 136467880, 
            num = 136467880}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 136467520, 
            node = 0x8225440, id = 136467520, num = 136467520}, {val = 136465440, node = 0x8224c20, 
            id = 136465440, num = 136465440}, {val = 136467460, node = 0x8225404, id = 136467460, 
            num = 136467460}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 136466680, 
            node = 0x82250f8, id = 136466680, num = 136466680}, {val = 136465460, node = 0x8224c34, 
            id = 136465460, num = 136465460}, {val = 136466440, node = 0x8225008, id = 136466440, 
            num = 136466440}, {val = 6, node = 0x6, id = 6, num = 6}, {val = 136465660, 
            node = 0x8224cfc, id = 136465660, num = 136465660}, {val = 0, node = 0x0, id = 0, num = 0}, 
          {val = 136465500, node = 0x8224c5c, id = 136465500, num = 136465500}, {val = 6, node = 0x6, 
            id = 6, num = 6}, {val = 136465580, node = 0x8224cac, id = 136465580, num = 136465580}, {
            val = 0, node = 0x0, id = 0, num = 0}, {val = 0, node = 0x0, id = 0, num = 0}, {
            val = 136465560, node = 0x8224c98, id = 136465560, num = 136465560}, {val = 136465960, 
            node = 0x8224e28, id = 136465960, num = 136465960}, {val = 6, node = 0x6, id = 6, num = 6}, 
          {val = 448, node = 0x1c0, id = 448, num = 448}, {val = 136465980, node = 0x8224e3c, 
            id = 136465980, num = 136465980}, {val = 136465980, node = 0x8224e3c, id = 136465980, 
            num = 136465980}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 6, node = 0x6, id = 6, 
            num = 6}, {val = 136551228, node = 0x8239b3c, id = 136551228, num = 136551228}, {
            val = 136551220, node = 0x8239b34, id = 136551220, num = 136551220}, {val = 3, node = 0x3, 
            id = 3, num = 3}, {val = 3084869508, node = 0xb7df5f84, id = 3084869508, 
            num = -1210097788}, {val = 1, node = 0x1, id = 1, num = 1}, {val = 2, node = 0x2, id = 2, 
            num = 2}, {val = 136551208, node = 0x8239b28, id = 136551208, num = 136551208}, {
            val = 136551220, node = 0x8239b34, id = 136551220, num = 136551220}, {val = 136329912, 
            node = 0x8203ab8, id = 136329912, num = 136329912}, {val = 135607304, node = 0x8153408, 
            id = 135607304, num = 135607304}, {val = 2, node = 0x2, id = 2, num = 2}, {val = 135964471, 
            node = 0x81aa737, id = 135964471, num = 135964471}, {val = 136329912, node = 0x8203ab8, 
            id = 136329912, num = 136329912}, {val = 3085314675, node = 0xb7e62a73, id = 3085314675, 
            num = -1209652621}, {val = 1, node = 0x1, id = 1, num = 1}, {val = 1, node = 0x1, id = 1, 
            num = 1}, {val = 136329888, node = 0x8203aa0, id = 136329888, num = 136329888}, {val = 0, 
            node = 0x0, id = 0, num = 0}, {val = 1, node = 0x1, id = 1, num = 1}, {val = 136331588, 
            node = 0x8204144, id = 136331588, num = 136331588}, {val = 1, node = 0x1, id = 1, num = 1}, 
          {val = 1, node = 0x1, id = 1, num = 1}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 0, 
            node = 0x0, id = 0, num = 0}, {val = 136329956, node = 0x8203ae4, id = 136329956, 
            num = 136329956}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 136331440, 
            node = 0x82040b0, id = 136331440, num = 136331440}, {val = 3086048928, node = 0xb7f15ea0, 
            id = 3086048928, num = -1208918368}, {val = 136329944, node = 0x8203ad8, id = 136329944, 
            num = 136329944}, {val = 135607390, node = 0x815345e, id = 135607390, num = 135607390}, {
            val = 136393360, node = 0x8213290, id = 136393360, num = 136393360}, {val = 1, node = 0x1, 
            id = 1, num = 1}, {val = 3086921792, node = 0xb7feb040, id = 3086921792, 
            num = -1208045504}, {val = 136550440, node = 0x8239828, id = 136550440, num = 136550440}, {
            val = 3084869508, node = 0xb7df5f84, id = 3084869508, num = -1210097788}, {val = 137040736, 
            node = 0x82b1360, id = 137040736, num = 137040736}, {val = 136330072, node = 0x8203b58, 
---Type <return> to continue, or q <return> to quit---
            id = 136330072, num = 136330072}, {val = 135569188, node = 0x8149f24, id = 135569188, 
            num = 135569188}, {val = 136393360, node = 0x8213290, id = 136393360, num = 136393360}, {
            val = 136550440, node = 0x8239828, id = 136550440, num = 136550440}, {val = 2, node = 0x2, 
            id = 2, num = 2}, {val = 2, node = 0x2, id = 2, num = 2}, {val = 136330240, 
            node = 0x8203c00, id = 136330240, num = 136330240}, {val = 0, node = 0x0, id = 0, num = 0}, 
          {val = 3084345404, node = 0xb7d7603c, id = 3084345404, num = -1210621892}, {val = 3084345404, 
            node = 0xb7d7603c, id = 3084345404, num = -1210621892}, {val = 1, node = 0x1, id = 1, 
            num = 1}, {val = 3086922597, node = 0xb7feb365, id = 3086922597, num = -1208044699}, {
            val = 0, node = 0x0, id = 0, num = 0}, {val = 136330012, node = 0x8203b1c, id = 136330012, 
            num = 136330012}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 135968849, 
            node = 0x81ab851, id = 135968849, num = 135968849}, {val = 1, node = 0x1, id = 1, num = 1}, 
          {val = 135241775, node = 0x80fa02f, id = 135241775, num = 135241775}, {val = 136676752, 
            node = 0x8258590, id = 136676752, num = 136676752}, {val = 0, node = 0x0, id = 0, num = 0}, 
          {val = 136593940, node = 0x8244214, id = 136593940, num = 136593940}, {val = 0, node = 0x0, 
            id = 0, num = 0}, {val = 3086991092, node = 0xb7ffbef4, id = 3086991092, 
            num = -1207976204}, {val = 136330060, node = 0x8203b4c, id = 136330060, num = 136330060}, {
            val = 0, node = 0x0, id = 0, num = 0}, {val = 3084869420, node = 0xb7df5f2c, 
            id = 3084869420, num = -1210097876}, {val = 3084869376, node = 0xb7df5f00, id = 3084869376, 
            num = -1210097920}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 8, node = 0x8, id = 8, 
            num = 8}, {val = 136393360, node = 0x8213290, id = 136393360, num = 136393360}, {
            val = 136550440, node = 0x8239828, id = 136550440, num = 136550440}, {val = 3084869508, 
            node = 0xb7df5f84, id = 3084869508, num = -1210097788}, {val = 136330152, node = 0x8203ba8, 
            id = 136330152, num = 136330152}, {val = 135570442, node = 0x814a40a, id = 135570442, 
            num = 135570442}, {val = 136393360, node = 0x8213290, id = 136393360, num = 136393360}, {
            val = 136550440, node = 0x8239828, id = 136550440, num = 136550440}, {val = 2863, 
            node = 0xb2f, id = 2863, num = 2863}, {val = 2, node = 0x2, id = 2, num = 2}, {
            val = 136330240, node = 0x8203c00, id = 136330240, num = 136330240}, {val = 136676696, 
            node = 0x8258558, id = 136676696, num = 136676696}, {val = 136330336, node = 0x8203c60, 
            id = 136330336, num = 136330336}, {val = 3087005720, node = 0xb7fff818, id = 3087005720, 
            num = -1207961576}, {val = 136593940, node = 0x8244214, id = 136593940, num = 136593940}, {
            val = 136676696, node = 0x8258558, id = 136676696, num = 136676696}, {val = 136360328, 
            node = 0x820b188, id = 136360328, num = 136360328}, {val = 136393360, node = 0x8213290, 
            id = 136393360, num = 136393360}, {val = 2863, node = 0xb2f, id = 2863, num = 2863}, {
            val = 8, node = 0x8, id = 8, num = 8}, {val = 0, node = 0x0, id = 0, num = 0}, {
            val = 3084878136, node = 0xb7df8138, id = 3084878136, num = -1210089160}, {val = 5, 
            node = 0x5, id = 5, num = 5}, {val = 136550440, node = 0x8239828, id = 136550440, 
            num = 136550440}, {val = 136330200, node = 0x8203bd8, id = 136330200, num = 136330200}, {
            val = 135570501, node = 0x814a445, id = 135570501, num = 135570501}, {val = 136550440, 
            node = 0x8239828, id = 136550440, num = 136550440}, {val = 2863, node = 0xb2f, id = 2863, 
            num = 2863}, {val = 2, node = 0x2, id = 2, num = 2}, {val = 136330240, node = 0x8203c00, 
            id = 136330240, num = 136330240}, {val = 1, node = 0x1, id = 1, num = 1}, {val = 6, 
            node = 0x6, id = 6, num = 6}, {val = 0, node = 0x0, id = 0, num = 0}, {val = 3087005280, 
            node = 0xb7fff660, id = 3087005280, num = -1207962016}, {val = 0, node = 0x0, id = 0, 
            num = 0}, {val = 136330336, node = 0x8203c60, id = 136330336, num = 136330336}, {
            val = 136330296, node = 0x8203c38, id = 136330296, num = 136330296}, {val = 135571700, 
            node = 0x814a8f4, id = 135571700, num = 135571700}, {val = 136550440, node = 0x8239828, 
            id = 136550440, num = 136550440}, {val = 2863, node = 0xb2f, id = 2863, num = 2863}, {
            val = 2, node = 0x2, id = 2, num = 2}, {val = 136330240, node = 0x8203c00, id = 136330240, 
            num = 136330240}, {val = 1, node = 0x1, id = 1, num = 1}, {val = 4, node = 0x4, id = 4, 
            num = 4}, {val = 136330264, node = 0x8203c18, id = 136330264, num = 136330264}, {
            val = 136351724, node = 0x8208fec, id = 136351724, num = 136351724}, {val = 323598, 
            node = 0x4f00e, id = 323598, num = 323598}, {val = 0, node = 0x0, id = 0, num = 0}, {
            val = 136330296, node = 0x8203c38, id = 136330296, num = 136330296}, {val = 135563461, 
            node = 0x81488c5, id = 135563461, num = 135563461}, {val = 136590280, node = 0x82433c8, 
            id = 136590280, num = 136590280}, {val = 1264, node = 0x4f0, id = 1264, num = 1264}, {
            val = 3086070978, node = 0xb7f1b4c2, id = 3086070978, num = -1208896318}, {
            val = 3086205868, node = 0xb7f3c3ac, id = 3086205868, num = -1208761428}, {
            val = 3086662295, node = 0xb7faba97, id = 3086662295, num = -1208305001}, {
---Type <return> to continue, or q <return> to quit---
            val = 3086205868, node = 0xb7f3c3ac, id = 3086205868, num = -1208761428}, {
            val = 3086205824, node = 0xb7f3c380, id = 3086205824, num = -1208761472}, {val = 0, 
            node = 0x0, id = 0, num = 0}, {val = 3086662295, node = 0xb7faba97, id = 3086662295, 
            num = -1208305001}, {val = 3086205872, node = 0xb7f3c3b0, id = 3086205872, 
            num = -1208761424}, {val = 3086667417, node = 0xb7face99, id = 3086667417, 
            num = -1208299879}, {val = 3086205824, node = 0xb7f3c380, id = 3086205824, 
            num = -1208761472}, {val = 137040736, node = 0x82b1360, id = 137040736, num = 137040736}, {
            val = 136330416, node = 0x8203cb0, id = 136330416, num = 136330416}, {val = 0, node = 0x0, 
            id = 0, num = 0}, {val = 136550440, node = 0x8239828, id = 136550440, num = 136550440}, {
            val = 3084869508, node = 0xb7df5f84, id = 3084869508, num = -1210097788}, {val = 137040736, 
            node = 0x82b1360, id = 137040736, num = 137040736}, {val = 136330376, node = 0x8203c88, 
            id = 136330376, num = 136330376}, {val = 135598333, node = 0x81510fd, id = 135598333, 
            num = 135598333}, {val = 136393516, node = 0x821332c, id = 136393516, num = 136393516}}
        yyvs = 0x8203944
        yyvsp = 0x820398c
        yystacksize = 200
        yyn = 313
        yyresult = 136603800
        yytoken = 10
        yyval = {val = 6, node = 0x6, id = 6, num = 6}
        yymsgbuf = '\000' <repeats 40 times>, "l\022+\b\020\026\a\bH\233#\b\000\000\000\000l\022+\b\020\026\a\b\f\233#\b\000\000\000\000\024\000\000\000\020\026\a\b \233#\b\000\000\000\000\024\000\000\000\f\233#\b\360\064!\b8\234#\bX9 \b\203\026\a\b\360\064!\b\000\000\000\000h9 \b\203\026\a\b"
        yymsg = 0x82038c0 ""
        yymsg_alloc = 128
        yylen = 9
#9  0x080abf83 in yycompile0 (arg=137082016, tracing=0) at parse.y:5009
        n = 136331280
        tree = 0xb7f3c3c8
        parser = 0x82bb4a0
#10 0x0815641c in ruby_suppress_tracing (func=0x80abe80 <yycompile0>, arg=137082016, always=1)
    at thread.c:4031
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {136550440, -1210097788, 137040736, 136331256, -858214664, 
                -1502679816}, __mask_was_saved = 0, __saved_mask = {__val = {137040736, 136331128, 
                  3085340191, 136331128, 136393360, 136550440, 3084869508, 136331192, 136550440, 
                  3084869508, 137040736, 136331176, 134679951, 42, 136821896, 20, 136550480, 136569860, 
                  136821896, 136353776, 137082328, 6216, 8, 136331208, 134680280, 136393968, 42, 
                  136331240, 135570501, 136550480, 6216, 137040736}}}}, tag = 0, retval = 137082328, 
          prev = 0x82040ec}
        th = 0x8213290
        state = 0
        tracing = 0
        raised = 0
        result = 4
#11 0x080ac0d5 in yycompile (parser=0x82bb4a0, f=0x82bb428 "/home/sun/app/ruby/lib/ruby/1.9.1/date.rb", 
    line=1) at parse.y:5035
No locals.
#12 0x080ac4fa in rb_parser_compile_file (vparser=136550500, 
    f=0x82bb428 "/home/sun/app/ruby/lib/ruby/1.9.1/date.rb", file=136550480, start=1) at parse.y:5164
        parser = 0x82bb4a0
        tmp = 136331364
        node = 0x2
#13 0x080f0ba7 in load_file_internal (arg=136331712) at ruby.c:1582
        argp = 0x82041c0
        parser = 136550500
        fname = 0x82bb428 "/home/sun/app/ruby/lib/ruby/1.9.1/date.rb"
        script = 0
---Type <return> to continue, or q <return> to quit---
        opt = 0x82041f8
        f = 136550480
        line_start = 1
        tree = 0x0
        enc = 0x8246898
        set_encoding = 6216
#14 0x080644f9 in rb_ensure (b_proc=0x80f05f7 <load_file_internal>, data1=136331712, 
    e_proc=0x80f0c36 <restore_lineno>, data2=1) at eval.c:695
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {135203894, -1210097788, 137040736, 136331688, -869839112, 
                -2144393992}, __mask_was_saved = 0, __saved_mask = {__val = {136331560, 134966724, 
                  135912338, 2, 136331592, 135234776, 6347, 0, 136331592, 134966758, 135912338, 6347, 
                  0, 136550500, 136331768, 136568020, 136331640, 135427485, 6347, 136336424, 136828320, 
                  72, 0, 136828304, 136828304, 136828320, 137081936, 136331768, 136331688, 135427854, 
                  136828304, 0}}}}, tag = 0, retval = 0, prev = 0x8204274}
        state = 0
        result = 4
#15 0x080f0c9d in load_file (parser=136550500, 
    fname=0x82bb428 "/home/sun/app/ruby/lib/ruby/1.9.1/date.rb", script=0, opt=0x82041f8) at ruby.c:1610
        arg = {parser = 136550500, fname = 0x82bb428 "/home/sun/app/ruby/lib/ruby/1.9.1/date.rb", 
          script = 0, opt = 0x82041f8}
#16 0x080f0cd7 in rb_load_file (fname=0x82bb428 "/home/sun/app/ruby/lib/ruby/1.9.1/date.rb")
    at ruby.c:1618
        opt = {sflag = 0, xflag = 0, do_loop = 0, do_print = 0, do_line = 0, do_split = 0, 
          do_search = 0, disable = 0, verbose = 0, safe_level = 0, setids = 0, dump = 0, script = 0x0, 
          script_name = 0, e_script = 0, src = {enc = {name = 0, index = -1}}, ext = {enc = {name = 0, 
              index = -1}}, intern = {enc = {name = 0, index = -1}}, req_list = 0}
#17 0x080659a9 in rb_load_internal (fname=136550700, wrap=0) at load.c:289
        node = 0x8239878
        iseq = 137027312
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {136332384, -1210097788, 137040736, 136332104, -870174984, 
                -2146162440}, __mask_was_saved = 0, __saved_mask = {__val = {24, 136331960, 135240468, 
                  129642000, 3924919611, 16, 136332008, 137081984, 137039840, 98, 136331992, 134680280, 
                  136393968, 24, 2369585980, 135615477, 0, 137027312, 136332056, 135235937, 24, 
                  136332384, 136332056, 135615515, 129642000, 4, 42, 137081984, 137081896, 129642000, 
                  137039800, 136332384}}}}, tag = 0, retval = 137040736, prev = 0x8204378}
        state = 0
        th = 0x8213290
        wrapper = 0
        self = 136591700
        loaded = 0
        mild_compile_error = 0
#18 0x080664bf in rb_require_safe (fname=136550940, safe=0) at load.c:582
        path = 136550700
        handle = 1
        found = 114
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {136335472, -1210097788, 137040736, 136332376, -870297864, 
                -2141119240}, __mask_was_saved = 0, __saved_mask = {__val = {0, 1, 136393360, 
                  136335472, 3084869508, 136332280, 135570442, 136393360, 136568440, 5752, 1, 
                  3084345380, 136813648, 36, 135571748, 136569860, 136813648, 136353056, 136393360, 
                  5752, 8, 3085304102, 36, 3086202048, 136335472, 136332328, 135570501, 136568440, 
                  5752, 1, 3084345380, 1}}}}, tag = 0, retval = 136332336, prev = 0x8204d38}
        result = 4
        th = 0x8213290
        errinfo = 4
        state = 0
---Type <return> to continue, or q <return> to quit---
        saved = {safe = 0}
        ftptr = 0x82b0fb8 "/home/sun/app/ruby/lib/ruby/1.9.1/date.rb"
#19 0x08065d59 in rb_f_require (obj=136591700, fname=136550960) at load.c:439
No locals.
#20 0x0813ee9b in call_cfunc (func=0x8065d3f <rb_f_require>, recv=136591700, len=1, argc=1, 
    argv=0xb7d76024) at vm_insnhelper.c:292
No locals.
#21 0x0813f832 in vm_call_cfunc (th=0x8213290, reg_cfp=0xb7df5f84, num=1, recv=136591700, blockptr=0x0, 
    flag=8, me=0x8291058) at vm_insnhelper.c:386
        cfp = 0xb7df5f58
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {760, 136332824, 134680367, 136393968, 103, 136332824}, 
              __mask_was_saved = 135255526, __saved_mask = {__val = {136551000, 136551020, 136584860, 
                  103, 136584860, 760, 136332888, 135262636, 137038364, 136551028, 1, 136393360, 
                  136335472, 3084869508, 136332904, 135234776, 8456, 137038304, 0, 0, 0, 8456, 20, 0, 
                  136335472, 3084869508, 136332952, 135562233, 136609856, 8456, 136332940, 2}}}}, 
          tag = 0, retval = 1048576, prev = 0x8204d38}
        val = 0
        state = 0
        def = 0x8291090
        klass = 136593940
        id = 8456
#22 0x0813fd3d in vm_call_method (th=0x8213290, cfp=0xb7df5f84, num=1, blockptr=0x0, flag=8, id=8456, 
    me=0x8291058, recv=136591700) at vm_insnhelper.c:511
        val = 136551780
#23 0x08144196 in vm_exec_core (th=0x8213290, initial=0) at insns.def:994
        v = 4
        me = 0x8291058
        recv = 136591700
        flag = 8
        klass = 136591680
        blockptr = 0x0
        num = 1
        id = 8456
        val = 4
        ic = 0x82b04d0
        blockiseq = 0x0
        op_argc = 1
        op_id = 8456
        op_flag = 8
        reg_pc = 0x82b1360
        reg_cfp = 0xb7df5f84
        insns_address_table = {0x8141f0c, 0x8141f1f, 0x8141f97, 0x8141ff2, 0x814208b, 0x81420f3, 
          0x81421b4, 0x8142257, 0x81422e9, 0x8142361, 0x814240a, 0x8142499, 0x814254a, 0x81425dc, 
          0x814264e, 0x81426a6, 0x8142701, 0x814275d, 0x81427bb, 0x814286b, 0x81428d8, 0x814294a, 
          0x8142a2e, 0x8142ab0, 0x8142bd2, 0x8142c72, 0x8142ce4, 0x8142d59, 0x8142ec5, 0x8142f90, 
          0x81431d0, 0x81432c8, 0x814337b, 0x81433ae, 0x814344e, 0x81434e3, 0x814357b, 0x81435e9, 
          0x8143661, 0x81436f7, 0x8143731, 0x8143b75, 0x8143c00, 0x8144030, 0x814420c, 0x81443e2, 
          0x8144498, 0x814458b, 0x81445cf, 0x8144658, 0x81446a6, 0x814471e, 0x8144796, 0x814483c, 
          0x81448ea, 0x81449d3, 0x8144afe, 0x8144b4d, 0x8144e9e, 0x8145160, 0x8145450, 0x81457d7, 
          0x8145be2, 0x8145d7b, 0x8145f9c, 0x8146236, 0x8146406, 0x81466a0, 0x8146870, 0x8146a87, 
          0x8146c9b, 0x8146eff, 0x8147186, 0x81473c2, 0x81475d4, 0x8147742, 0x81477c9, 0x814788a, 
          0x81478ed, 0x8147952}
#24 0x0814e674 in vm_exec (th=0x8213290) at vm.c:1117
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {136335472, 0, 0, 136334904, -868421896, -1519756040}, 
              __mask_was_saved = 0, __saved_mask = {__val = {137038208, 136334744, 135504907, 1, 0, 
                  136334744, 135503935, 137038208, 136334752, 136334792, 135443162, 137038056, 
---Type <return> to continue, or q <return> to quit---
                  136334752, 0, 0, 136334776, 3085340191, 136334792, 135505861, 137038208, 137038316, 
                  0, 137039760, 136334752, 3084869552, 1, 136334824, 135579190, 136393360, 0, 81, 
                  4}}}}, tag = 0, retval = 4, prev = 0x8204e84}
        state = 0
        result = 1
        err = 136334904
        initial = 0
        escape_dfp = 0x0
#25 0x0814ecb6 in rb_iseq_eval (iseqval=136551660) at vm.c:1327
        th = 0x8213290
        val = 0
        tmp = 3
#26 0x08065a08 in rb_load_internal (fname=136552920, wrap=0) at load.c:293
        node = 0x8239d14
        iseq = 136551660
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {136335472, 0, 0, 136335192, -868610312, -2146162440}, 
              __mask_was_saved = 0, __saved_mask = {__val = {24, 136335048, 135240468, 372735741, 
                  4082522556, 16, 136335096, 137027536, 137027428, 0, 136335080, 134680280, 136393968, 
                  24, 1273695967, 135615477, 0, 137027312, 136335144, 135235937, 24, 11, 136335144, 
                  135615515, 372735741, 4, 37, 137027536, 135917544, 137023241, 137027392, 
                  136392712}}}}, tag = 0, retval = 0, prev = 0x8204f88}
        state = 0
        th = 0x8213290
        wrapper = 0
        self = 136591700
        loaded = 1
        mild_compile_error = 0
#27 0x080664bf in rb_require_safe (fname=136553280, safe=0) at load.c:582
        path = 136552920
        handle = 135801851
        found = 114
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {136323376, 0, 0, 136335464, -868733192, -2141119240}, 
              __mask_was_saved = 0, __saved_mask = {__val = {0, 136335320, 134682243, 136393968, 0, 0, 
                  0, 0, 0, 136393360, 136393968, 0, 0, 136335352, 135243911, 0, 0, 0, 136553280, 0, 0, 
                  136335400, 135244261, 136553288, 135801851, 10, 0, 0, 136553280, 0, 10, 0}}}}, 
          tag = 0, retval = 136335432, prev = 0x82050b4}
        result = 4
        th = 0x8213290
        errinfo = 4
        state = 0
        saved = {safe = 0}
        ftptr = 0x82adf40 "/home/sun/lab/ruby-ucontext/hello.rb"
#28 0x08066613 in rb_require (fname=0x8182bfb "./hello.rb") at load.c:618
        fn = 136553280
#29 0x08064429 in rb_protect (proc=0x80665bd <rb_require>, data=135801851, state=0x8205244)
    at eval.c:670
        _th = 0x8213290
        _tag = {buf = {{__jmpbuf = {136323376, 0, 0, 136335896, -871911688, -2144408328}, 
              __mask_was_saved = 0, __saved_mask = {__val = {136335696, 3086922597, 0, 0, 0, 0, 6, 0, 
                  0, 0, 0, 3084897640, 3086991092, 136335644, 24, 11229533, 3084878060, 359345080, 8, 
                  0, 0, 5, 624, 3084878104, 3086880104, 134573205, 3084934616, 134537100, 1, 
                  3087003588, 136335920, 3087005720}}}}, tag = 0, retval = 3086923193, prev = 0x0}
        result = 4
        status = 0
        th = 0x8213290
        cfp = 0xb7df5fdc
---Type <return> to continue, or q <return> to quit---
        trap_tag = {prev = 0x0}
        org_jmpbuf = {{__jmpbuf = {0, 0, 0, 0, 0, 0}, __mask_was_saved = 0, __saved_mask = {__val = {
                0 <repeats 32 times>}}}}
#30 0x0805d09f in ruby_context_body_require (file=0x8182bfb "./hello.rb") at main.c:38
        error = -1210091840
        result = 3086202048
#31 0x0805d211 in ruby_context_body () at main.c:78
        i = 3
#32 0xb7e3303b in makecontext () from /lib/libc.so.6
No symbol table info available.
#33 0x08203140 in ?? ()
No symbol table info available.
#34 0x00000000 in ?? ()
No symbol table info available.

----------------------------------------
http://redmine.ruby-lang.org/issues/show/2258

----------------------------------------
http://redmine.ruby-lang.org

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