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我已經安裝了幾個月的rvm，並且列出了系統（1.8.7）和已安裝（1.9.1）的紅寶石。並且兩個版本都正常工作。昨天我試圖更新1.9.1，但安裝後它不工作，系統紅寶石從rvm列表中刪除。我刪除了rvm，使rvm乾淨安裝。但是，當我通過RVM安裝1.9.1，它說：Ruby 1.9.1不能在rvm下運行，mac os x
info: Installation of ruby-1.9.1-p378 is complete.
info: Updating rubygems for /Users/nimf/.rvm/gems/[email protected]
error: Error running '/Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/gem update --system', please check /Users/nimf/.rvm/log/ruby-1.9.1-p378/rubygems.update*.log
info: Updating rubygems for /Users/nimf/.rvm/gems/ruby-1.9.1-p378
error: Error running '/Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/gem update --system', please check /Users/nimf/.rvm/log/ruby-1.9.1-p378/rubygems.update*.log
在這些日誌文件：
[2010-08-17 09:17:31] /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/gem update --system
dyld: Library not loaded: /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/lib/libruby.dylib
Referenced from: /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/ruby
Reason: Incompatible library version: ruby requires version 1.9.1 or later, but libruby.dylib provides version 1.8.0
/Users/nimf/.rvm/scripts/utility: line 180: 81885 Trace/BPT trap /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/gem update --system
[2010-08-17 09:17:32] /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/gem update --system
dyld: Library not loaded: /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/lib/libruby.dylib
Referenced from: /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/ruby
Reason: Incompatible library version: ruby requires version 1.9.1 or later, but libruby.dylib provides version 1.8.0
/Users/nimf/.rvm/scripts/utility: line 180: 81907 Trace/BPT trap /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/gem update --system
而且也不是紅寶石，也沒有寶石或IRB的工作，給予同樣的錯誤：
$ ruby
dyld: Library not loaded: /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/lib/libruby.dylib
Referenced from: /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/ruby
Reason: Incompatible library version: ruby requires version 1.9.1 or later, but libruby.dylib provides version 1.8.0
Trace/BPT trap
$ gem list
dyld: Library not loaded: /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/lib/libruby.dylib
Referenced from: /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/bin/ruby
Reason: Incompatible library version: ruby requires version 1.9.1 or later, but libruby.dylib provides version 1.8.0
Trace/BPT trap
LS -la /Users/nimf/.rvm/rubies/ruby-1.9.1-p378/lib/給出：
total 17232
drwxr-xr-x 7 nimf staff 238 17 авг 09:16 .
drwxr-xr-x 7 nimf staff 238 17 авг 09:17 ..
-rw-r--r-- 1 nimf staff 6617504 17 авг 09:13 libruby-static.a
-rwxr-xr-x 1 nimf staff 2193720 17 авг 09:13 libruby.1.9.1.dylib
lrwxrwxrwx 1 nimf staff 19 17 авг 09:16 libruby.1.9.dylib -> libruby.1.9.1.dylib
lrwxrwxrwx 1 nimf staff 19 17 авг 09:16 libruby.dylib -> libruby.1.9.1.dylib
drwxr-xr-x 6 nimf staff 204 17 авг 09:17 ruby
我還在rvm下安裝了1.8.7和1.9.2，並且它們工作得很完美。