Trace ruby_hidapi

1.9.3p448 :015 > device_info.vendor_id
(irb):15: [BUG] Segmentation fault
ruby 1.9.3p448 (2013-06-27 revision 41675) [x86_64-darwin12.4.0]

-- Control frame information -----------------------------------------------
c:0024 p:---- s:0085 b:0085 l:000084 d:000084 CFUNC  :vendor_id
c:0023 p:0011 s:0082 b:0082 l:001158 d:000081 EVAL   (irb):15
c:0022 p:---- s:0080 b:0080 l:000079 d:000079 FINISH
c:0021 p:---- s:0078 b:0078 l:000077 d:000077 CFUNC  :eval
c:0020 p:0028 s:0071 b:0071 l:000070 d:000070 METHOD /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/workspace.rb:80
c:0019 p:0033 s:0064 b:0063 l:000062 d:000062 METHOD /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/context.rb:254
c:0018 p:0031 s:0058 b:0058 l:001148 d:000057 BLOCK  /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:159
c:0017 p:0042 s:0050 b:0050 l:000049 d:000049 METHOD /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:273
c:0016 p:0011 s:0045 b:0045 l:001148 d:000044 BLOCK  /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:156
c:0015 p:0144 s:0041 b:0041 l:000024 d:000040 BLOCK  /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb:243
c:0014 p:---- s:0038 b:0038 l:000037 d:000037 FINISH
c:0013 p:---- s:0036 b:0036 l:000035 d:000035 CFUNC  :loop
c:0012 p:0009 s:0033 b:0033 l:000024 d:000032 BLOCK  /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb:229
c:0011 p:---- s:0031 b:0031 l:000030 d:000030 FINISH
c:0010 p:---- s:0029 b:0029 l:000028 d:000028 CFUNC  :catch
c:0009 p:0023 s:0025 b:0025 l:000024 d:000024 METHOD /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb:228
c:0008 p:0046 s:0022 b:0022 l:001148 d:001148 METHOD /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:155
c:0007 p:0011 s:0019 b:0019 l:000af8 d:000018 BLOCK  /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:70
c:0006 p:---- s:0017 b:0017 l:000016 d:000016 FINISH
c:0005 p:---- s:0015 b:0015 l:000014 d:000014 CFUNC  :catch
c:0004 p:0183 s:0011 b:0011 l:000af8 d:000af8 METHOD /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:69
c:0003 p:0142 s:0006 b:0006 l:000cc8 d:001d88 EVAL   /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/bin/irb:16
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:000cc8 d:000cc8 TOP

-- Ruby level backtrace information ----------------------------------------
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/bin/irb:16:in `<main>'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:69:in `start'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:69:in `catch'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:70:in `block in start'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:155:in `eval_input'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb:228:in `each_top_level_statement'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb:228:in `catch'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in `block in each_top_level_statement'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb:229:in `loop'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb:243:in `block (2 levels) in each_top_level_statement'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:156:in `block in eval_input'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:273:in `signal_status'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb:159:in `block (2 levels) in eval_input'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/context.rb:254:in `evaluate'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/workspace.rb:80:in `evaluate'
/Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/workspace.rb:80:in `eval'
(irb):15:in `irb_binding'
(irb):15:in `vendor_id'

-- 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: irb

* Loaded features:

    0 enumerator.so
    1 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/enc/encdb.bundle
    2 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/enc/trans/transdb.bundle
    3 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/rbconfig.rb
    4 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/compatibility.rb
    5 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/defaults.rb
    6 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/deprecate.rb
    7 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/errors.rb
    8 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/version.rb
    9 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/requirement.rb
   10 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/platform.rb
   11 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb
   12 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/exceptions.rb
   13 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/core_ext/kernel_gem.rb
   14 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/thread.rb
   15 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/monitor.rb
   16 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/core_ext/kernel_require.rb
   17 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems.rb
   18 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/pathname.bundle
   19 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/pathname.rb
   20 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/user_interaction.rb
   21 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/etc.bundle
   22 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/config_file.rb
   23 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/rubygems_integration.rb
   24 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb
   25 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/shared_helpers.rb
   26 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/fileutils.rb
   27 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/gem_path_manipulation.rb
   28 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/gem_helpers.rb
   29 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/match_platform.rb
   30 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/rubygems_ext.rb
   31 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/version.rb
   32 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler.rb
   33 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/settings.rb
   34 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/path_support.rb
   35 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/digest.bundle
   36 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/digest.rb
   37 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/digest/sha1.bundle
   38 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/set.rb
   39 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/definition.rb
   40 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/dependency.rb
   41 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/ruby_dsl.rb
   42 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/dsl.rb
   43 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/source.rb
   44 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri/common.rb
   45 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri/generic.rb
   46 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri/ftp.rb
   47 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri/http.rb
   48 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri/https.rb
   49 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri/ldap.rb
   50 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri/ldaps.rb
   51 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri/mailto.rb
   52 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/uri.rb
   53 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/socket.bundle
   54 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/socket.rb
   55 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/fcntl.bundle
   56 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/timeout.rb
   57 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/openssl.bundle
   58 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/openssl/bn.rb
   59 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/openssl/cipher.rb
   60 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/stringio.bundle
   61 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/openssl/config.rb
   62 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/openssl/digest.rb
   63 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/openssl/buffering.rb
   64 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/openssl/ssl-internal.rb
   65 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/openssl/x509-internal.rb
   66 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/openssl.rb
   67 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/securerandom.rb
   68 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/resolv.rb
   69 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/remote_fetcher.rb
   70 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/text.rb
   71 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/name_tuple.rb
   72 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/site_ruby/1.9.1/rubygems/spec_fetcher.rb
   73 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/source/rubygems.rb
   74 /Users/davidhall/work/experiments/ruby-hidapi/lib/ruby_hidapi/version.rb
   75 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/source/path.rb
   76 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/strscan.bundle
   77 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/source/git.rb
   78 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/lockfile_parser.rb
   79 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/lazy_specification.rb
   80 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/tsort.rb
   81 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/forwardable.rb
   82 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/spec_set.rb
   83 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/environment.rb
   84 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/runtime.rb
   85 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/index.rb
   86 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/remote_specification.rb
   87 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/dep_proxy.rb
   88 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/resolver.rb
   89 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/ui.rb
   90 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/endpoint_specification.rb
   91 /Users/davidhall/.rvm/gems/ruby-1.9.3-p448@global/gems/bundler-1.3.5/lib/bundler/setup.rb
   92 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/e2mmap.rb
   93 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/init.rb
   94 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/workspace.rb
   95 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/inspector.rb
   96 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/context.rb
   97 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/extend-command.rb
   98 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/output-method.rb
   99 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/notifier.rb
  100 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/slex.rb
  101 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-token.rb
  102 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/ruby-lex.rb
  103 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/src_encoding.rb
  104 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/magic-file.rb
  105 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/x86_64-darwin12.4.0/readline.bundle
  106 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/input-method.rb
  107 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/locale.rb
  108 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb.rb
  109 /Users/davidhall/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/irb/completion.rb
  110 /Users/davidhall/.rvm/scripts/irbrc.rb
  111 /Users/davidhall/work/experiments/ruby-hidapi/lib/ruby_hidapi/ruby_hidapi.bundle

[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

[1]    73620 abort      bundle exec irb