我不太确定如何正确地调试它，但已经尝试了几种不同的方法，这些方法占用了时间，但没有解决问题。我办公室里至少有4个人可以在安装了相同版本的ruby和rubygems的相同机器上执行这段代码，而不会出错。
下面是我正在执行的代码：

status = Open4::popen4( "swfmill simple stdin stdout" ) do | pid, stdin, stdout, stderr |
  stdin.write( config )
  stdin.close
  bytes = stdout.read
  errors = stderr.read
end

我在这条线上得到一个“总线错误”：

errors = stderr.read

如果我注解了那一行，我会在这一行得到一个“Segementation Fault”：

bytes = stdout.read

我显然使用了Open 4库并执行了一个外部进程。当直接从终端执行时，这个外部进程可以完美地工作，当这个Ruby代码在这个特定的Rails应用程序之外运行时，即使是在一个不同的、更简单的Rails应用程序中。
为了重现错误，我只需要像这样执行特定的测试方法：

ruby test/unit/swf_generator_test.rb --name test_get_bytes

我在MacBook Pro上运行Snow Leopard Mac OS X 10.6.2（10 C540），配备英特尔酷睿2双核2.53 GHz和8 GB RAM。

ruby -v && gem -v
ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin10.2.0]
1.3.5

我在GDB内部执行了这段代码，发现我的libxml和libxslt库都安装不正确。我能够安装这两个库，现在GDB不再告诉我任何我认为有用的东西。以下是GDB的当前输出：

gdb ruby

GNU gdb 6.3.50-20050815 (Apple version gdb-1344) (Fri Jul  3 01:19:56 UTC 2009)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared libraries .... done

(gdb) run test/unit/swf_generator_test.rb --name test_get_bytes
Starting program: /usr/local/bin/ruby test/unit/swf_generator_test.rb --name test_get_bytes
Reading symbols for shared libraries +++... done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries .. done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries ... done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries .. done
Reading symbols for shared libraries . done
Reading symbols for shared libraries .. done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries .... done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries ... done
Loaded suite test/unit/swf_generator_test
Started
Reading symbols for shared libraries .. done

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00007fff81973e90
0x0000000100045bf1 in gc_mark ()
(gdb)

在更新libxml和libxslt库之后，我还重新构建/重新安装了所有gem。我这样做是通过运行：

sudo gem pristine --all

最后，这里是我的控制台日志条目，针对这个特殊的异常：

Process:         ruby [5059]
Path:            /usr/local/bin/ruby
Identifier:      ruby
Version:         ??? (???)
Code Type:       X86-64 (Native)
Parent Process:  bash [5050]

Date/Time:       2010-01-21 11:31:45.468 -0800
OS Version:      Mac OS X 10.6.2 (10C540)
Report Version:  6

Exception Type:  EXC_BAD_ACCESS (SIGABRT)
Exception Codes: KERN_INVALID_ADDRESS at 0x000000000000000e
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Application Specific Information:
abort() called

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   libSystem.B.dylib               0x00007fff819befe6 __kill + 10
1   libSystem.B.dylib               0x00007fff81a5fe32 abort + 83
2   libruby.dylib                   0x000000010001b887 rb_check_type + 0
3   libruby.dylib                   0x00000001000a5427 sigsegv + 84
4   libSystem.B.dylib               0x00007fff819d0eaa _sigtramp + 26
5   ???                             0x00007fff5fbd7410 0 + 140734799639568
6   libruby.dylib                   0x0000000100045a50 mark_tbl + 44
7   libruby.dylib                   0x0000000100045a71 rb_mark_tbl + 31
8   libruby.dylib                   0x0000000100059286 mark_load_arg + 40
9   libruby.dylib                   0x000000010004635f gc_mark_children + 1687
10  libruby.dylib                   0x0000000100045c74 gc_mark + 221
11  libruby.dylib                   0x0000000100045882 mark_locations_array + 61
12  libruby.dylib                   0x00000001000459fc rb_gc_mark_locations + 59
13  libruby.dylib                   0x0000000100047620 garbage_collect + 389
14  libruby.dylib                   0x0000000100044c2d ruby_xmalloc + 107
15  libruby.dylib                   0x0000000100033a76 scope_dup + 100
16  libruby.dylib                   0x000000010002ab7d rb_yield_0 + 2646
17  libruby.dylib                   0x0000000100034dbd proc_invoke + 1020
18  libruby.dylib                   0x0000000100034f73 rb_proc_call + 39
19  libruby.dylib                   0x000000010002e061 call_cfunc + 252
20  libruby.dylib                   0x000000010002d16a rb_call0 + 1548
21  libruby.dylib                   0x000000010002ebca rb_call + 711
22  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
23  libruby.dylib                   0x00000001000251d0 rb_eval + 6859
24  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
25  libruby.dylib                   0x000000010002ebca rb_call + 711
26  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
27  libruby.dylib                   0x00000001000249fc rb_eval + 4855
28  libruby.dylib                   0x000000010002716e rb_eval + 14953
29  libruby.dylib                   0x000000010002a8f8 rb_yield_0 + 2001
30  libruby.dylib                   0x0000000100034dbd proc_invoke + 1020
31  libruby.dylib                   0x0000000100034f73 rb_proc_call + 39
32  libruby.dylib                   0x000000010002e061 call_cfunc + 252
33  libruby.dylib                   0x000000010002d16a rb_call0 + 1548
34  libruby.dylib                   0x000000010002ebca rb_call + 711
35  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
36  libruby.dylib                   0x00000001000251d0 rb_eval + 6859
37  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
38  libruby.dylib                   0x000000010002ebca rb_call + 711
39  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
40  libruby.dylib                   0x00000001000249fc rb_eval + 4855
41  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
42  libruby.dylib                   0x000000010002ebca rb_call + 711
43  libruby.dylib                   0x00000001000260fb rb_eval + 10742
44  libruby.dylib                   0x0000000100025617 rb_eval + 7954
45  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
46  libruby.dylib                   0x000000010002ebca rb_call + 711
47  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
48  libruby.dylib                   0x00000001000270e5 rb_eval + 14816
49  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
50  libruby.dylib                   0x000000010002ebca rb_call + 711
51  libruby.dylib                   0x000000010002ed88 rb_f_send + 170
52  libruby.dylib                   0x000000010002e080 call_cfunc + 283
53  libruby.dylib                   0x000000010002d16a rb_call0 + 1548
54  libruby.dylib                   0x000000010002ebca rb_call + 711
55  libruby.dylib                   0x00000001000260fb rb_eval + 10742
56  libruby.dylib                   0x0000000100024f5a rb_eval + 6229
57  libruby.dylib                   0x00000001000251d0 rb_eval + 6859
58  libruby.dylib                   0x00000001000251d0 rb_eval + 6859
59  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
60  libruby.dylib                   0x000000010002ebca rb_call + 711
61  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
62  libruby.dylib                   0x0000000100035764 block_pass + 460
63  libruby.dylib                   0x000000010002473a rb_eval + 4149
64  libruby.dylib                   0x000000010002a8f8 rb_yield_0 + 2001
65  libruby.dylib                   0x000000010002ad2f rb_yield + 42
66  libruby.dylib                   0x00000001000061e4 rb_ary_each + 100
67  libruby.dylib                   0x000000010002e098 call_cfunc + 307
68  libruby.dylib                   0x000000010002d16a rb_call0 + 1548
69  libruby.dylib                   0x000000010002ebca rb_call + 711
70  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
71  libruby.dylib                   0x00000001000249fc rb_eval + 4855
72  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
73  libruby.dylib                   0x000000010002ebca rb_call + 711
74  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
75  libruby.dylib                   0x0000000100035764 block_pass + 460
76  libruby.dylib                   0x000000010002473a rb_eval + 4149
77  libruby.dylib                   0x000000010002a8f8 rb_yield_0 + 2001
78  libruby.dylib                   0x000000010002ad2f rb_yield + 42
79  libruby.dylib                   0x00000001000061e4 rb_ary_each + 100
80  libruby.dylib                   0x000000010002e098 call_cfunc + 307
81  libruby.dylib                   0x000000010002d16a rb_call0 + 1548
82  libruby.dylib                   0x000000010002ebca rb_call + 711
83  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
84  libruby.dylib                   0x00000001000249fc rb_eval + 4855
85  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
86  libruby.dylib                   0x000000010002ebca rb_call + 711
87  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
88  libruby.dylib                   0x00000001000249fc rb_eval + 4855
89  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
90  libruby.dylib                   0x000000010002ebca rb_call + 711
91  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
92  libruby.dylib                   0x0000000100025617 rb_eval + 7954
93  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
94  libruby.dylib                   0x000000010002ebca rb_call + 711
95  libruby.dylib                   0x000000010002614c rb_eval + 10823
96  libruby.dylib                   0x0000000100025617 rb_eval + 7954
97  libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
98  libruby.dylib                   0x000000010002ebca rb_call + 711
99  libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
100 libruby.dylib                   0x0000000100025617 rb_eval + 7954
101 libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
102 libruby.dylib                   0x000000010002ebca rb_call + 711
103 libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
104 libruby.dylib                   0x0000000100025b16 rb_eval + 9233
105 libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
106 libruby.dylib                   0x000000010002ebca rb_call + 711
107 libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
108 libruby.dylib                   0x000000010002dc1b rb_call0 + 4285
109 libruby.dylib                   0x000000010002ebca rb_call + 711
110 libruby.dylib                   0x0000000100025dc4 rb_eval + 9919
111 libruby.dylib                   0x0000000100025f54 rb_eval + 10319
112 libruby.dylib                   0x000000010002a8f8 rb_yield_0 + 2001
113 libruby.dylib                   0x0000000100034dbd proc_invoke + 1020
114 libruby.dylib                   0x0000000100032ba5 call_end_proc + 230
115 libruby.dylib                   0x0000000100032eea rb_exec_end_proc + 559
116 libruby.dylib                   0x000000010002051c ruby_finalize_0 + 170
117 libruby.dylib                   0x00000001000205ab ruby_cleanup + 57
118 libruby.dylib                   0x00000001000208c8 ruby_stop + 19
119 libruby.dylib                   0x0000000100020937 compile_error + 0
120 ruby                            0x0000000100000ebe dyld_stub_exit + 0
121 ruby                            0x0000000100000e74 start + 52

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x00007fff5fbd7318  rcx: 0x00007fff5fbd6a68  rdx: 0x0000000000000000
  rdi: 0x00000000000013c3  rsi: 0x0000000000000006  rbp: 0x00007fff5fbd6a80  rsp: 0x00007fff5fbd6a68
   r8: 0x0000000000000002   r9: 0x0000000000000000  r10: 0x00007fff819bb026  r11: 0x0000000000000202
  r12: 0x0000000000000000  r13: 0x0000000000000000  r14: 0x0000000000000000  r15: 0x0000000000000000
  rip: 0x00007fff819befe6  rfl: 0x0000000000000202  cr2: 0x00007fff702e71f0

Binary Images:
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    0x7fff86662000 -     0x7fff86783fe7  libcrypto.0.9.8.dylib ??? (???) <32F2A87F-B146-BBF2-3AD1-494C686F1EE3> /usr/lib/libcrypto.0.9.8.dylib
    0x7fff87f25000 -     0x7fff87f5ffff  libssl.0.9.8.dylib ??? (???) <0714FA32-C193-CD96-80D1-6FCF06A0ED2E> /usr/lib/libssl.0.9.8.dylib
    0x7fff886ad000 -     0x7fff886f9fff  libauto.dylib ??? (???) <072804DF-36AD-2DBE-7EF8-639CFB79077F> /usr/lib/libauto.dylib
    0x7fff88894000 -     0x7fff8894afff  libobjc.A.dylib ??? (???) <F206BE6D-8777-AE6C-B367-7BEA76C14241> /usr/lib/libobjc.A.dylib
    0x7fff88c99000 -     0x7fff88c9dff7  libmathCommon.A.dylib ??? (???) <95718673-FEEE-B6ED-B127-BCDBDB60D4E5> /usr/lib/system/libmathCommon.A.dylib
    0x7fffffe00000 -     0x7fffffe01fff  libSystem.B.dylib ??? (???) <526DD3E5-2A8B-4512-ED97-01B832369959> /usr/lib/libSystem.B.dylib

6条答案

按热度按时间

o2gm4chl1#

好的，我已经在我的机器上解决了这个问题。我不知 prop 体原因，但将ruby-debug gem降级到0.10.0版本对我来说解决了这个问题。
具体的修复是运行以下命令：

sudo gem uninstall ruby-debug

sudo gem install ruby-debug --version 0.10.0

赞(0）回复(0）举报 12个月前

toiithl62#

我自己也遇到了类似的问题。
这通常是由一个gem加载了一个为不同架构编译的库而导致的。（听起来你已经走上了这条路。
不幸的是，这也包括编译为通用二进制文件的库。
在我的例子中，问题是因为Ruby加载了错误的OpenSSL版本。也许这个问题对你来说是类似的。根据上面的答案，听起来像是ruby-debug导致了这个问题。会不会是链接错了图书馆？
以下是一些帮助我解决问题的链接：

4dbbbstv3#

我没有解决方案，但我已经找到了重现此问题的方法。
今天安装了ruby-debug-0.10.3 gem之后，我的Rails 2.1.1测试在

Open4::popen4( "FOO" ) do | pid, stdin, stdout, stderr |
    stderr.read
end

block has started throwing the same '[BUG] Bus Error ruby 1.8.7（2009-06-12 patchlevel 174）[i686-darwin10.2.0]'你得到的.
如果我'sudo gem uninstall ruby-debug'，测试运行并通过。如果我再次'sudo gem install ruby-debug'，测试就会抛出。
我正在Snow Leopard上运行一个Rails 2.1.1项目，安装了Ruby 1.8.7（2009-06-12 patchlevel 174）[i686-darwin10.2.0]。
为64位重新构建ruby-debug gem并不能解决我的问题。

a1o7rhls4#

我在Ruby Koans中遇到了“Segmentation fault”错误。这是关于使用Windows安装程序重新安装ruby 3.2.2。
假设它与“它通常是由一个gem与本机编译位，加载一个库编译为不同的架构。（听起来你已经走上了这条路。）“，我把它修好了，

gem update

UPD

当我进行测试时，这个错误又开始出现了，第一次是一次又一次，然后是更多，最后是每次我运行rake的时候。我用3.1.4替换了3.2.2，现在它可以工作了。

lztngnrs5#

听起来你有错误的gem版本，或者它与MacOS不兼容。关于RDoc：
Linux、Unix、BSD等的用户将需要unix软件包。Ara的Open 4 gem是一个依赖项。RubyOne-Click编译器（OCI）的用户会希望选择适合他们Ruby版本的gem。这里真实的问题是编译器版本。错误的版本将SEGFAULT由于VC++编译器或库中的某些不兼容性

aamkag616#

这听起来像是硬件错误而不是软件错误。检查你的机器，尤其是内存。

为什么Ruby只在我的系统上抛出一个Segmentation错误，而且只在这个Rails应用程序中？

6条答案

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