在执行rails 命令时出现：
diudiugirl@DIUs:~/ashelf$ rails s /home/diudiugirl/.rvm/gems/ruby-1.9.3-p545/gems/json-1.8.0/lib/json/common.rb:67: [BUG] Segmentation fault ruby 1.9.3p545 (2014-02-24 revision 45159) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0075 p:---- s:0232 b:0232 l:000231 d:000231 CFUNC :initialize c:0074 p:---- s:0230 b:0230 l:000229 d:000229 CFUNC :new c:0073 p:0099 s:0227 b:0225 l:000224 d:000224 METHOD /home/diudiugirl/.rvm/gems/ruby-1.9.3-p545/gems/json-1.8.0/lib/json/common.rb:67 c:0072 p:0090 s:0216 b:0215 l:000214 d:000214 CLASS .... ..... -- Ruby level backtrace information ---------------------------------------- script/rails:6:in `<main>' script/rails:6:in `require' /home/diudiugirl/.rvm/gems/ruby-1.9.3-p545/gems/railties-3.2.12/lib/rails/commands.rb:50:in `<top (required)>' .... ..... -- C level backtrace information ------------------------------------------- /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/lib/libruby.so.1.9(+0x19a539) [0x7f8c0515f539] vm_dump.c:796 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/lib/libruby.so.1.9(+0x66434) [0x7f8c0502b434] error.c:258 ..... ..... -- Other runtime information ----------------------------------------------- * Loaded script: script/rails * Loaded features: 0 enumerator.so 1 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/x86_64-linux/enc/encdb.so 2 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/x86_64-linux/enc/trans/transdb.so 3 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/x86_64-linux/rbconfig.rb 4 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/1.9.1/thread.rb 5 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/lib/ruby/site_ruby/1.9.1/rubygems/compatibility.rb 6 /home/diudiugirl/.rvm/rubies/ruby-1.9.3- ..... ..... ..... * Process memory map: 00400000-00401000 r-xp 00000000 08:01 37227503 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/bin/ruby 00600000-00601000 r--p 00000000 08:01 37227503 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/bin/ruby 00601000-00602000 rw-p 00001000 08:01 37227503 /home/diudiugirl/.rvm/rubies/ruby-1.9.3-p545/bin/ruby 01e16000-03de2000 rw-p 00000000 00:00 0 ......................... ..................... [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 Aborted (core dumped)
解决方法重新安装正在使用的ruby版本。。。。