From: Motohiro KOSAKI <kosaki.motohiro@...>
Date: 2011-07-08T10:32:55+09:00
Subject: [ruby-dev:44052] [Ruby 1.9 - Bug #4993][Open] crash in test_enc_associate.rb on MacOS X


Issue #4993 has been reported by Motohiro KOSAKI.

----------------------------------------
Bug #4993: crash in test_enc_associate.rb on MacOS X
http://redmine.ruby-lang.org/issues/4993

Author: Motohiro KOSAKI
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 1.9.3dev (2011-07-08 trunk 32438) [x86_64-darwin10.8.0] 


Today, test-all made following segfault.


Test_StrEncAssociate#test_frozen = /Users/kosaki/ruby/trunk/test/-ext-/string/test_enc_associate.rb:9: [BUG] Segmentation fault
ruby 1.9.3dev (2011-07-08 trunk 32438) [x86_64-darwin10.8.0]

-- Control frame information -----------------------------------------------
c:0028 p:---- s:0116 b:0116 l:000115 d:000115 CFUNC  :associate_encoding!
c:0027 p:0020 s:0112 b:0112 l:0021b0 d:000111 BLOCK  /Users/kosaki/ruby/trunk/test/-ext-/string/test_enc_associate.rb:9
c:0026 p:0055 s:0110 b:0110 l:000109 d:000109 METHOD /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:330
c:0025 p:0015 s:0102 b:0102 l:000101 d:000101 METHOD /Users/kosaki/ruby/trunk/lib/test/unit/assertions.rb:32
c:0024 p:0070 s:0097 b:0097 l:0021b0 d:0021b0 METHOD /Users/kosaki/ruby/trunk/test/-ext-/string/test_enc_associate.rb:9
c:0023 p:0063 s:0093 b:0093 l:0012b0 d:0012b0 METHOD /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:948
c:0022 p:0025 s:0087 b:0087 l:000086 d:000086 METHOD /Users/kosaki/ruby/trunk/lib/test/unit/testcase.rb:17
c:0021 p:0090 s:0083 b:0083 l:000071 d:000082 BLOCK  /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:787
c:0020 p:---- s:0077 b:0077 l:000076 d:000076 FINISH
c:0019 p:---- s:0075 b:0075 l:000074 d:000074 CFUNC  :map
c:0018 p:0124 s:0072 b:0072 l:000071 d:000071 METHOD /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:780
c:0017 p:0020 s:0064 b:0063 l:001740 d:000062 BLOCK  /Users/kosaki/ruby/trunk/lib/test/unit.rb:570
c:0016 p:---- s:0059 b:0059 l:000058 d:000058 FINISH
c:0015 p:---- s:0057 b:0057 l:000056 d:000056 CFUNC  :each
c:0014 p:0053 s:0054 b:0054 l:001740 d:001740 METHOD /Users/kosaki/ruby/trunk/lib/test/unit.rb:568
c:0013 p:0189 s:0048 b:0048 l:001850 d:001850 METHOD /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:746
c:0012 p:0013 s:0038 b:0038 l:0018b8 d:0018b8 METHOD /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:909
c:0011 p:0012 s:0035 b:0035 l:001920 d:001990 BLOCK  /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:896
c:0010 p:---- s:0032 b:0032 l:000031 d:000031 FINISH
c:0009 p:---- s:0030 b:0030 l:000029 d:000029 CFUNC  :each
c:0008 p:0068 s:0027 b:0027 l:001920 d:001920 METHOD /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:895
c:0007 p:0029 s:0023 b:0023 l:001a00 d:001a00 METHOD /Users/kosaki/ruby/trunk/lib/minitest/unit.rb:884
c:0006 p:0022 s:0019 b:0019 l:001a70 d:001a70 METHOD /Users/kosaki/ruby/trunk/lib/test/unit.rb:21
c:0005 p:0016 s:0015 b:0015 l:001ad8 d:001ad8 METHOD /Users/kosaki/ruby/trunk/lib/test/unit.rb:635
c:0004 p:0019 s:0012 b:0012 l:001b40 d:001b40 METHOD /Users/kosaki/ruby/trunk/lib/test/unit.rb:639
c:0003 p:0146 s:0008 b:0007 l:002208 d:002020 EVAL   ../test/runner.rb:13
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:002208 d:002208 TOP   

-- Ruby level backtrace information ----------------------------------------
../test/runner.rb:13:in `<main>'
/Users/kosaki/ruby/trunk/lib/test/unit.rb:639:in `run'
/Users/kosaki/ruby/trunk/lib/test/unit.rb:635:in `run'
/Users/kosaki/ruby/trunk/lib/test/unit.rb:21:in `run'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:884:in `run'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:895:in `_run'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:895:in `each'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:896:in `block in _run'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:909:in `run_tests'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:746:in `_run_anything'
/Users/kosaki/ruby/trunk/lib/test/unit.rb:568:in `_run_suites'
/Users/kosaki/ruby/trunk/lib/test/unit.rb:568:in `each'
/Users/kosaki/ruby/trunk/lib/test/unit.rb:570:in `block in _run_suites'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:780:in `_run_suite'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:780:in `map'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:787:in `block in _run_suite'
/Users/kosaki/ruby/trunk/lib/test/unit/testcase.rb:17:in `run'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:948:in `run'
/Users/kosaki/ruby/trunk/test/-ext-/string/test_enc_associate.rb:9:in `test_frozen'
/Users/kosaki/ruby/trunk/lib/test/unit/assertions.rb:32:in `assert_raise'
/Users/kosaki/ruby/trunk/lib/minitest/unit.rb:330:in `assert_raises'
/Users/kosaki/ruby/trunk/test/-ext-/string/test_enc_associate.rb:9:in `block in test_frozen'
/Users/kosaki/ruby/trunk/test/-ext-/string/test_enc_associate.rb:9:in `associate_encoding!'

-- C level backtrace information -------------------------------------------

   See Crash Report log file under ~/Library/Logs/CrashReporter or
   /Library/Logs/CrashReporter, for the more detail of.


---------------------------------------------
Process:         ruby-trunk [38509]
Path:            /Users/kosaki/ruby/trunk/build/ruby-trunk
Identifier:      ruby-trunk
Version:         ??? (???)
Code Type:       X86-64 (Native)
Parent Process:  gnumake [37549]

Date/Time:       2011-07-08 10:27:35.216 +0900
OS Version:      Mac OS X 10.6.8 (10K540)
Report Version:  6

Exception Type:  EXC_BAD_ACCESS (SIGABRT)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000000004024c8
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             	0x00007fff876f30b6 __kill + 10
1   libSystem.B.dylib             	0x00007fff877939f6 abort + 83
2   ruby-trunk                    	0x0000000100038c2a rb_bug_errno + 0
3   ruby-trunk                    	0x00000001000fd5d7 signal_exec + 0
4   libSystem.B.dylib             	0x00007fff877051ba _sigtramp + 26
5   ruby-trunk                    	0x000000010000308d rb_enc_associate + 27
6   string.bundle                 	0x0000000100379a62 bug_str_enc_associate + 34 (enc_associate.c:6)
7   ruby-trunk                    	0x0000000100176a57 call_cfunc + 337
8   ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
9   ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
10  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
11  ruby-trunk                    	0x00000001001802ba vm_exec + 147
12  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
13  ruby-trunk                    	0x000000010017ee57 vm_yield + 76
14  ruby-trunk                    	0x000000010017b6e8 rb_yield_0 + 37
15  ruby-trunk                    	0x000000010017b6b9 rb_yield + 57
16  ruby-trunk                    	0x000000010000df5d rb_ary_collect + 203
17  ruby-trunk                    	0x0000000100176a38 call_cfunc + 306
18  ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
19  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
20  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
21  ruby-trunk                    	0x00000001001802ba vm_exec + 147
22  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
23  ruby-trunk                    	0x000000010017ee57 vm_yield + 76
24  ruby-trunk                    	0x000000010017b6e8 rb_yield_0 + 37
25  ruby-trunk                    	0x000000010017b6b9 rb_yield + 57
26  ruby-trunk                    	0x000000010000b2b4 rb_ary_each + 146
27  ruby-trunk                    	0x0000000100176a38 call_cfunc + 306
28  ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
29  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
30  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
31  ruby-trunk                    	0x00000001001802ba vm_exec + 147
32  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
33  ruby-trunk                    	0x000000010017ee57 vm_yield + 76
34  ruby-trunk                    	0x000000010017b6e8 rb_yield_0 + 37
35  ruby-trunk                    	0x000000010017b6b9 rb_yield + 57
36  ruby-trunk                    	0x000000010000b2b4 rb_ary_each + 146
37  ruby-trunk                    	0x0000000100176a38 call_cfunc + 306
38  ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
39  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
40  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
41  ruby-trunk                    	0x00000001001802ba vm_exec + 147
42  ruby-trunk                    	0x0000000100180c8d rb_iseq_eval_main + 45
43  ruby-trunk                    	0x000000010003dc00 ruby_exec_internal + 193
44  ruby-trunk                    	0x000000010003dd24 ruby_exec_node + 30
45  ruby-trunk                    	0x000000010003dcf7 ruby_run_node + 56
46  ruby-trunk                    	0x0000000100001623 main + 79 (main.c:40)
47  ruby-trunk                    	0x00000001000015cc start + 52

Thread 1:
0   libSystem.B.dylib             	0x00007fff876dfa6a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff876e3881 _pthread_cond_wait + 1286
2   ruby-trunk                    	0x0000000100184085 native_cond_wait + 29
3   ruby-trunk                    	0x0000000100184805 native_sleep + 279
4   ruby-trunk                    	0x00000001001863ee sleep_forever + 124
5   ruby-trunk                    	0x00000001001865d7 rb_thread_sleep_deadly + 24
6   ruby-trunk                    	0x0000000100189f31 rb_mutex_sleep_forever + 17
7   ruby-trunk                    	0x000000010003efbc rb_ensure + 151
8   ruby-trunk                    	0x0000000100189fd5 rb_mutex_sleep + 114
9   ruby-trunk                    	0x000000010018a050 mutex_sleep + 60
10  ruby-trunk                    	0x0000000100176a20 call_cfunc + 282
11  ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
12  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
13  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
14  ruby-trunk                    	0x00000001001802ba vm_exec + 147
15  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
16  ruby-trunk                    	0x000000010017ef56 rb_vm_invoke_proc + 253
17  ruby-trunk                    	0x00000001001856e5 thread_start_func_2 + 571
18  ruby-trunk                    	0x000000010018450c thread_start_func_1 + 58
19  libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
20  libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 2:
0   libSystem.B.dylib             	0x00007fff876e8932 select$DARWIN_EXTSN + 10
1   ruby-trunk                    	0x00000001001886b8 rb_fd_select + 177
2   ruby-trunk                    	0x0000000100188861 do_select + 423
3   ruby-trunk                    	0x0000000100188cc3 rb_thread_fd_select + 184
4   ruby-trunk                    	0x0000000100188d40 select_single + 75
5   ruby-trunk                    	0x000000010003efbc rb_ensure + 151
6   ruby-trunk                    	0x0000000100188f32 rb_wait_for_single_fd + 229
7   ruby-trunk                    	0x0000000100188a52 rb_thread_wait_fd_rw + 109
8   ruby-trunk                    	0x0000000100188a85 rb_thread_wait_fd + 24
9   socket.bundle                 	0x00000001007ab4c8 rsock_s_accept + 72 (init.c:496)
10  socket.bundle                 	0x00000001007b8cf9 tcp_accept + 89 (tcpserver.c:57)
11  ruby-trunk                    	0x0000000100176a38 call_cfunc + 306
12  ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
13  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
14  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
15  ruby-trunk                    	0x00000001001802ba vm_exec + 147
16  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
17  ruby-trunk                    	0x000000010017ef56 rb_vm_invoke_proc + 253
18  ruby-trunk                    	0x00000001001856e5 thread_start_func_2 + 571
19  ruby-trunk                    	0x000000010018450c thread_start_func_1 + 58
20  libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
21  libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 3:
0   libSystem.B.dylib             	0x00007fff876e8932 select$DARWIN_EXTSN + 10
1   ruby-trunk                    	0x00000001001886b8 rb_fd_select + 177
2   ruby-trunk                    	0x0000000100188861 do_select + 423
3   ruby-trunk                    	0x0000000100188cc3 rb_thread_fd_select + 184
4   ruby-trunk                    	0x0000000100188d40 select_single + 75
5   ruby-trunk                    	0x000000010003efbc rb_ensure + 151
6   ruby-trunk                    	0x0000000100188f32 rb_wait_for_single_fd + 229
7   ruby-trunk                    	0x0000000100188a52 rb_thread_wait_fd_rw + 109
8   ruby-trunk                    	0x0000000100188a85 rb_thread_wait_fd + 24
9   socket.bundle                 	0x00000001007ab4c8 rsock_s_accept + 72 (init.c:496)
10  socket.bundle                 	0x00000001007b8cf9 tcp_accept + 89 (tcpserver.c:57)
11  ruby-trunk                    	0x0000000100176a38 call_cfunc + 306
12  ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
13  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
14  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
15  ruby-trunk                    	0x00000001001802ba vm_exec + 147
16  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
17  ruby-trunk                    	0x000000010017ef56 rb_vm_invoke_proc + 253
18  ruby-trunk                    	0x00000001001856e5 thread_start_func_2 + 571
19  ruby-trunk                    	0x000000010018450c thread_start_func_1 + 58
20  libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
21  libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 4:
0   libSystem.B.dylib             	0x00007fff876e8932 select$DARWIN_EXTSN + 10
1   ruby-trunk                    	0x00000001001886b8 rb_fd_select + 177
2   ruby-trunk                    	0x0000000100188861 do_select + 423
3   ruby-trunk                    	0x0000000100188cc3 rb_thread_fd_select + 184
4   ruby-trunk                    	0x0000000100188d40 select_single + 75
5   ruby-trunk                    	0x000000010003efbc rb_ensure + 151
6   ruby-trunk                    	0x0000000100188f32 rb_wait_for_single_fd + 229
7   ruby-trunk                    	0x0000000100188a52 rb_thread_wait_fd_rw + 109
8   ruby-trunk                    	0x0000000100188a85 rb_thread_wait_fd + 24
9   socket.bundle                 	0x00000001007ab4c8 rsock_s_accept + 72 (init.c:496)
10  socket.bundle                 	0x00000001007b9eb9 unix_accept + 89 (unixserver.c:58)
11  ruby-trunk                    	0x0000000100176a38 call_cfunc + 306
12  ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
13  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
14  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
15  ruby-trunk                    	0x00000001001802ba vm_exec + 147
16  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
17  ruby-trunk                    	0x000000010017ef56 rb_vm_invoke_proc + 253
18  ruby-trunk                    	0x00000001001856e5 thread_start_func_2 + 571
19  ruby-trunk                    	0x000000010018450c thread_start_func_1 + 58
20  libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
21  libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 5:
0   libSystem.B.dylib             	0x00007fff876dfa6a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff876e3881 _pthread_cond_wait + 1286
2   ruby-trunk                    	0x0000000100184085 native_cond_wait + 29
3   ruby-trunk                    	0x0000000100184805 native_sleep + 279
4   ruby-trunk                    	0x00000001001863ee sleep_forever + 124
5   ruby-trunk                    	0x00000001001865d7 rb_thread_sleep_deadly + 24
6   ruby-trunk                    	0x0000000100189f31 rb_mutex_sleep_forever + 17
7   ruby-trunk                    	0x000000010003efbc rb_ensure + 151
8   ruby-trunk                    	0x0000000100189fd5 rb_mutex_sleep + 114
9   ruby-trunk                    	0x000000010018a050 mutex_sleep + 60
10  ruby-trunk                    	0x0000000100176a20 call_cfunc + 282
11  ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
12  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
13  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
14  ruby-trunk                    	0x00000001001802ba vm_exec + 147
15  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
16  ruby-trunk                    	0x000000010017ef56 rb_vm_invoke_proc + 253
17  ruby-trunk                    	0x00000001001856e5 thread_start_func_2 + 571
18  ruby-trunk                    	0x000000010018450c thread_start_func_1 + 58
19  libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
20  libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 6:
0   libSystem.B.dylib             	0x00007fff876dfa6a __semwait_signal + 10
1   libSystem.B.dylib             	0x00007fff876e3881 _pthread_cond_wait + 1286
2   ruby-trunk                    	0x00000001001840c4 native_cond_timedwait + 37
3   ruby-trunk                    	0x0000000100184818 native_sleep + 298
4   ruby-trunk                    	0x00000001001864ef sleep_timeval + 129
5   ruby-trunk                    	0x00000001001866b4 rb_thread_wait_for + 47
6   ruby-trunk                    	0x00000001000bc6fc rb_f_sleep + 97
7   ruby-trunk                    	0x0000000100176a20 call_cfunc + 282
8   ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
9   ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
10  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
11  ruby-trunk                    	0x00000001001802ba vm_exec + 147
12  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
13  ruby-trunk                    	0x000000010017ef56 rb_vm_invoke_proc + 253
14  ruby-trunk                    	0x00000001001856e5 thread_start_func_2 + 571
15  ruby-trunk                    	0x000000010018450c thread_start_func_1 + 58
16  libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
17  libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 7:
0   libSystem.B.dylib             	0x00007fff876e8932 select$DARWIN_EXTSN + 10
1   ruby-trunk                    	0x00000001001886b8 rb_fd_select + 177
2   ruby-trunk                    	0x0000000100188861 do_select + 423
3   ruby-trunk                    	0x0000000100188cc3 rb_thread_fd_select + 184
4   ruby-trunk                    	0x000000010006c550 select_internal + 1200
5   ruby-trunk                    	0x000000010006ca6d select_call + 73
6   ruby-trunk                    	0x000000010003efbc rb_ensure + 151
7   ruby-trunk                    	0x000000010006cd89 rb_f_select + 257
8   ruby-trunk                    	0x0000000100176a20 call_cfunc + 282
9   ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
10  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
11  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
12  ruby-trunk                    	0x00000001001802ba vm_exec + 147
13  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
14  ruby-trunk                    	0x000000010017ef56 rb_vm_invoke_proc + 253
15  ruby-trunk                    	0x00000001001856e5 thread_start_func_2 + 571
16  ruby-trunk                    	0x000000010018450c thread_start_func_1 + 58
17  libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
18  libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 8:
0   libSystem.B.dylib             	0x00007fff876e8932 select$DARWIN_EXTSN + 10
1   ruby-trunk                    	0x00000001001886b8 rb_fd_select + 177
2   ruby-trunk                    	0x0000000100188861 do_select + 423
3   ruby-trunk                    	0x0000000100188cc3 rb_thread_fd_select + 184
4   ruby-trunk                    	0x000000010006c550 select_internal + 1200
5   ruby-trunk                    	0x000000010006ca6d select_call + 73
6   ruby-trunk                    	0x000000010003efbc rb_ensure + 151
7   ruby-trunk                    	0x000000010006cd89 rb_f_select + 257
8   ruby-trunk                    	0x0000000100176a20 call_cfunc + 282
9   ruby-trunk                    	0x0000000100176887 vm_call_cfunc + 284
10  ruby-trunk                    	0x0000000100175a50 vm_call_method + 372
11  ruby-trunk                    	0x00000001001705b8 vm_exec_core + 11451
12  ruby-trunk                    	0x00000001001802ba vm_exec + 147
13  ruby-trunk                    	0x000000010017edd0 invoke_block_from_c + 584
14  ruby-trunk                    	0x000000010017ef56 rb_vm_invoke_proc + 253
15  ruby-trunk                    	0x00000001001856e5 thread_start_func_2 + 571
16  ruby-trunk                    	0x000000010018450c thread_start_func_1 + 58
17  libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
18  libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 9:
0   libSystem.B.dylib             	0x00007fff876e8932 select$DARWIN_EXTSN + 10
1   ruby-trunk                    	0x0000000100184cac thread_timer + 191
2   libSystem.B.dylib             	0x00007fff876ddfd6 _pthread_start + 331
3   libSystem.B.dylib             	0x00007fff876dde89 thread_start + 13

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x0000000000000009  rcx: 0x0000000100363948  rdx: 0x0000000000000000
  rdi: 0x000000000000966d  rsi: 0x0000000000000006  rbp: 0x0000000100363960  rsp: 0x0000000100363948
   r8: 0x00007fff70d9da60   r9: 0x0000000000000000  r10: 0x00007fff876ef0fa  r11: 0xffffff80002e4730
  r12: 0x0000000000000000  r13: 0x0000000000000000  r14: 0x00000001019615d0  r15: 0x00000001005ff6b8
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