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$ ruby tk_fork_test.rb

"forked process"

The process has forked and you cannot use this CoreFoundation functionality safely. You MUST exec().

Break on __THE_PROCESS_HAS_FORKED_AND_YOU_CANNOT_USE_THIS_COREFOUNDATION_FUNCTIONALITY___YOU_MUST_EXEC__() to debug.

tk_fork_test.rb:11: [BUG] Segmentation fault

ruby 1.9.3p385 (2013-02-06 revision 39114) [universal.x86_64-darwin10]

-- Control frame information -----------------------------------------------

c:0017 p:---- s:0061 b:0061 l:000060 d:000060 CFUNC :fork

c:0016 p:0009 s:0058 b:0058 l:0003b8 d:000057 BLOCK tk_fork_test.rb:11

c:0015 p:---- s:0054 b:0054 l:000053 d:000053 FINISH

c:0014 p:---- s:0052 b:0052 l:000051 d:000051 CFUNC :call

c:0013 p:---- s:0050 b:0050 l:000049 d:000049 CFUNC :eval_cmd

c:0012 p:0028 s:0046 b:0045 l:000044 d:000044 METHOD /opt/local/lib/ruby1.9/1.9.1/tk.rb:1451

c:0011 p:0018 s:0040 b:0040 l:000039 d:000039 METHOD /opt/local/lib/ruby1.9/1.9.1/tk.rb:1398

c:0010 p:0037 s:0036 b:0036 l:000026 d:000035 BLOCK /opt/local/lib/ruby1.9/1.9.1/tk.rb:1594

c:0009 p:---- s:0033 b:0033 l:000032 d:000032 FINISH

c:0008 p:---- s:0031 b:0031 l:000030 d:000030 CFUNC :catch

c:0007 p:0055 s:0027 b:0027 l:000026 d:000026 METHOD /opt/local/lib/ruby1.9/1.9.1/tk.rb:1593

c:0006 p:---- s:0019 b:0019 l:000018 d:000018 FINISH

c:0005 p:---- s:0017 b:0017 l:000016 d:000016 CFUNC :mainloop

c:0004 p:0122 s:0013 b:0013 l:000012 d:000012 METHOD /opt/local/lib/ruby1.9/1.9.1/tk.rb:1866

c:0003 p:0105 s:0008 b:0008 l:0003b8 d:002708 EVAL tk_fork_test.rb:17

c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH

c:0001 p:0000 s:0002 b:0002 l:0003b8 d:0003b8 TOP

-- Ruby level backtrace information ----------------------------------------

tk_fork_test.rb:17:in `<main>'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1866:in `mainloop'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1866:in `mainloop'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1593:in `callback'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1593:in `catch'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1594:in `block in callback'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1398:in `call'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1451:in `cb_eval'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1451:in `eval_cmd'

/opt/local/lib/ruby1.9/1.9.1/tk.rb:1451:in `call'

tk_fork_test.rb:11:in `block (2 levels) in <main>'

tk_fork_test.rb:11:in `fork'

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

See Crash Report log file under ~/Library/Logs/CrashReporter or

/Library/Logs/CrashReporter, for the more detail of.

-- Other runtime information -----------------------------------------------

* Loaded script: tk_fork_test.rb

* Loaded features:

0 enumerator.so

1 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/encdb.bundle

2 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/trans/transdb.bundle

3 /opt/local/lib/ruby1.9/1.9.1/rubygems/defaults.rb

4 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/rbconfig.rb

5 /opt/local/lib/ruby1.9/1.9.1/rubygems/deprecate.rb

6 /opt/local/lib/ruby1.9/1.9.1/rubygems/exceptions.rb

7 /opt/local/lib/ruby1.9/1.9.1/rubygems/custom_require.rb

8 /opt/local/lib/ruby1.9/1.9.1/rubygems.rb

9 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/tcltklib.bundle

10 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/tkutil.bundle

11 /opt/local/lib/ruby1.9/1.9.1/tk/ttk_selector.rb

12 /opt/local/lib/ruby1.9/1.9.1/tk/autoload.rb

13 /opt/local/lib/ruby1.9/1.9.1/thread.rb

14 /opt/local/lib/ruby1.9/1.9.1/tk/event.rb

15 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_11.bundle

16 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/euc_kr.bundle

17 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/gb2312.bundle

18 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/cp949.bundle

19 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/big5.bundle

20 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/euc_jp.bundle

21 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_10.bundle

22 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_13.bundle

23 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_14.bundle

24 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_15.bundle

25 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_16.bundle

26 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_1.bundle

27 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_2.bundle

28 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_3.bundle

29 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/koi8_r.bundle

30 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_4.bundle

31 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_5.bundle

32 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_6.bundle

33 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/windows_1251.bundle

34 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/koi8_u.bundle

35 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_7.bundle

36 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_8.bundle

37 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/iso_8859_9.bundle

38 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/shift_jis.bundle

39 /opt/local/lib/ruby1.9/1.9.1/universal-darwin10/enc/gbk.bundle

40 /opt/local/lib/ruby1.9/1.9.1/tk/winfo.rb

41 /opt/local/lib/ruby1.9/1.9.1/tk/wm.rb

42 /opt/local/lib/ruby1.9/1.9.1/tk/itemfont.rb

43 /opt/local/lib/ruby1.9/1.9.1/tk/itemconfig.rb

44 /opt/local/lib/ruby1.9/1.9.1/tk/busy.rb

45 /opt/local/lib/ruby1.9/1.9.1/tkextlib/version.rb

46 /opt/local/lib/ruby1.9/1.9.1/tkextlib/setup.rb

47 /opt/local/lib/ruby1.9/1.9.1/tk.rb

48 /opt/local/lib/ruby1.9/1.9.1/tk/menuspec.rb

49 /opt/local/lib/ruby1.9/1.9.1/tk/root.rb

50 /opt/local/lib/ruby1.9/1.9.1/tkextlib/tile/setup.rb

51 /opt/local/lib/ruby1.9/1.9.1/tk/package.rb

52 /opt/local/lib/ruby1.9/1.9.1/tk/font.rb

53 /opt/local/lib/ruby1.9/1.9.1/tkextlib/tile.rb

54 /opt/local/lib/ruby1.9/1.9.1/tk/frame.rb

55 /opt/local/lib/ruby1.9/1.9.1/tkextlib/tile/tframe.rb

56 /opt/local/lib/ruby1.9/1.9.1/tk/bindtag.rb

57 /opt/local/lib/ruby1.9/1.9.1/tk/grid.rb

58 /opt/local/lib/ruby1.9/1.9.1/tk/label.rb

59 /opt/local/lib/ruby1.9/1.9.1/tk/button.rb

60 /opt/local/lib/ruby1.9/1.9.1/tkextlib/tile/tbutton.rb

[NOTE]

You may have encountered a bug in the Ruby interpreter or extension libraries.

Bug reports are welcome.

For details: http://www.ruby-lang.org/bugreport.html

#<Process::Status: pid 44499 SIGIOT (signal 6)>