error

[Wed, 13 Oct 2010 15:42:29 +0000] ERROR: Exception handlers complete
[Wed, 13 Oct 2010 15:42:29 +0000] ERROR: Re-raising exception: NoMethodError - undefined method `first' for #<StringIO:0xf74be824>
/usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/provider/mount/mount.rb:187:in `device_real'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/mixin/command/unix.rb:201:in `[]'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/mixin/command/unix.rb:201:in `popen4'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/provider/mount/mount.rb:186:in `device_real'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/provider/mount/mount.rb:42:in `load_current_resource'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/runner.rb:43:in `build_provider'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/runner.rb:50:in `run_action'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/runner.rb:109:in `converge'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/runner.rb:108:in `each'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/runner.rb:108:in `converge'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/resource_collection.rb:94:in `execute_each_resource'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/resource_collection/stepable_iterator.rb:116:in `call'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/resource_collection/stepable_iterator.rb:116:in `call_iterator_block'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/resource_collection/stepable_iterator.rb:85:in `step'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/resource_collection/stepable_iterator.rb:104:in `iterate'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/resource_collection/stepable_iterator.rb:55:in `each_with_index'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/resource_collection.rb:92:in `execute_each_resource'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/runner.rb:82:in `converge'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/client.rb:304:in `converge'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/client.rb:106:in `run'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/application/client.rb:212:in `run_application'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/application/client.rb:202:in `loop'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/application/client.rb:202:in `run_application'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/../lib/chef/application.rb:62:in `run'
  /usr/lib/ruby/gems/1.8/gems/chef-0.9.8/bin/chef-client:26
  /usr/bin/chef-client:19:in `load'
  /usr/bin/chef-client:19

mount_provider.rb

        def device_real
          if @real_device == nil
            if @new_resource.device_type == :device
              @real_device = @new_resource.device
            else
              @real_device = ""
              Chef::Log.info "running /sbin/findfs #{device_fstab}"
              status = popen4("/sbin/findfs #{device_fstab}") do |pid, stdin, stdout, stderr|
                device_line = stdout.first # stdout.first consumes
                @real_device = device_line.chomp unless device_line.nil?
              end
            end
          end
          @real_device
        end