rvm reinstall 1.9.3 会出现

No binary rubies available for: osx/10.8/x86_64/ruby-1.9.3-p327.
Continuing with compilation. Please read 'rvm mount' to get more information on binary rubies.

如何解决这问题请高手指点下 Mac 刚到手摸索中

No binary rubies available for: osx/10.8/x86_64/ruby-1.9.3-p327.
Continuing with compilation. Please read 'rvm mount' to get more information on binary rubies.
Installing Ruby from source to: /Users/hunk/.rvm/rubies/ruby-1.9.3-p327, this may take a while depending on your cpu(s)...
ruby-1.9.3-p327 - #downloading ruby-1.9.3-p327, this may take a while depending on your connection...
ruby-1.9.3-p327 - #extracting ruby-1.9.3-p327 to /Users/hunk/.rvm/src/ruby-1.9.3-p327
ruby-1.9.3-p327 - #extracted to /Users/hunk/.rvm/src/ruby-1.9.3-p327
ruby-1.9.3-p327 - #configuring
ruby-1.9.3-p327 - #compiling
ruby-1.9.3-p327 - #installing 
Retrieving rubygems-1.8.24
Archive checksum did not match, downloading again.
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  5  371k    5 21157    0     0    195      0  0:32:29  0:01:48  0:30:41     0