nokogiri - rails 3.0.0 / rails 3.0.1 - ruby 1.9.2-p0 / ruby - doesn't work on my macbook

gistfile1.txt

prakash-murthys-macbook-air:xmltoy prakashmurthy$ rails g scaffold Feed name:string url:string
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/nokogiri-1.4.3.1/lib/nokogiri/nokogiri.bundle: [BUG] Segmentation fault
ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.4.0]

-- control frame ----------
c:0022 p:-541184440 s:0064 b:0064 l:000063 d:000063 TOP   
c:0021 p:---- s:0062 b:0062 l:000061 d:000061 CFUNC  :require
c:0020 p:0186 s:0058 b:0058 l:000057 d:000057 TOP    /Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/nokogiri-1.4.3.1/lib/nokogiri.rb:13
c:0019 p:---- s:0056 b:0056 l:000055 d:000055 FINISH
c:0018 p:---- s:0054 b:0054 l:000053 d:000053 CFUNC  :require
c:0017 p:0026 s:0050 b:0050 l:000031 d:000049 BLOCK  /Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:64
c:0016 p:---- s:0047 b:0047 l:000046 d:000046 FINISH
c:0015 p:---- s:0045 b:0045 l:000044 d:000044 CFUNC  :each
c:0014 p:0091 s:0042 b:0042 l:000031 d:000041 BLOCK  /Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:62
c:0013 p:---- s:0037 b:0037 l:000036 d:000036 FINISH
c:0012 p:---- s:0035 b:0035 l:000034 d:000034 CFUNC  :each
c:0011 p:0046 s:0032 b:0032 l:000031 d:000031 METHOD /Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:51
c:0010 p:0021 s:0028 b:0028 l:000027 d:000027 METHOD /Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler.rb:112
c:0009 p:0079 s:0024 b:0024 l:000023 d:000023 TOP    /Users/prakashmurthy/work/xmltoy/config/application.rb:7
c:0008 p:---- s:0022 b:0022 l:000021 d:000021 FINISH
c:0007 p:---- s:0020 b:0020 l:000019 d:000019 CFUNC  :require
c:0006 p:0307 s:0016 b:0016 l:000015 d:000015 TOP    /Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/railties-3.0.1/lib/rails/commands.rb:15
c:0005 p:---- s:0012 b:0012 l:000011 d:000011 FINISH
c:0004 p:---- s:0010 b:0010 l:000009 d:000009 CFUNC  :require
c:0003 p:0061 s:0006 b:0006 l:001588 d:000b58 EVAL   script/rails:6
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:001588 d:001588 TOP   
---------------------------
-- Ruby level backtrace information ----------------------------------------
script/rails:6:in `<main>'
script/rails:6:in `require'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/railties-3.0.1/lib/rails/commands.rb:15:in `<top (required)>'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/railties-3.0.1/lib/rails/commands.rb:15:in `require'
/Users/prakashmurthy/work/xmltoy/config/application.rb:7:in `<top (required)>'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler.rb:112:in `require'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:51:in `require'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:51:in `each'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:62:in `block in require'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:62:in `each'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:64:in `block (2 levels) in require'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/bundler-1.0.3/lib/bundler/runtime.rb:64:in `require'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/nokogiri-1.4.3.1/lib/nokogiri.rb:13:in `<top (required)>'
/Users/prakashmurthy/.rvm/gems/ruby-1.9.2-p0@xmltoy/gems/nokogiri-1.4.3.1/lib/nokogiri.rb:13:in `require'

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

[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

Abort trap


prakash-murthys-macbook-air:xmltoy prakashmurthy$ ruby -v
ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.4.0]
prakash-murthys-macbook-air:xmltoy prakashmurthy$ rails -v
Rails 3.0.1