我刚在Mac上安装了图像magick，用于Ruby CarrierWave gem。但是，当我上传文件时，localhost / webrick服务器崩溃了超过1000行错误消息。在安装图像magick之前，我可以毫无问题地上传图像（显然不会调整它们的大小）。
这是错误消息的第一部分
Served asset /application.js - 304 Not Modified (0ms)
[2012-02-25 23:49:55] WARN Could not determine content-length of response body. Set content-length of the response or set Response#chunked = true
/Users/mm/.rvm/gems/ruby-1.9.3-rc1@rails321/gems/carrierwave-0.5.8/lib/carrierwave/processing/rmagick.rb:248: [BUG] Segmentation fault
ruby 1.9.3dev (2011-09-23 revision 33323) [x86_64-darwin10.8.0]
在底部说
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
有谁知道我可能做错了什么？