我是 OSX 新手，在 Virtual Box VM 中运行 Mountain Lion。Xcode 运行良好，我设法创建了一个简单的 Hello World 应用程序。我重新启动了 VM，当我尝试重新打开我的项目时，Xcode 崩溃了。当时我没有想到任何事情，但每次我重新启动 Xcode 时，它都在这个阶段冻结：
CPU 使用率高达 95%，我必须强制退出 Xcode。
以下在 Xcode_Timestamp.hang 中：
Date/Time: 2013-06-07 12:02:37 +0100
OS Version: 10.8 (Build 12A269)
Architecture: x86_64
Report Version: 11
Command: Xcode
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Version: 4.6.2 (2067.2)
Build Version: 2
Project Name: IDEApplication
Source Version: 2067002000000000
App Item ID: 497799835
App External ID: 15055625
Parent: launchd [121]
PID: 353
Event: hang
Duration: 0.88s
Steps: 9 (100ms sampling interval)
Hardware model: MacPro3,1
Active cpus: 1
Free pages: 433637 pages (+16260)
Pageins: 1 pages
Pageouts: 0 pages
Process: Xcode [353]
Path: /Applications/Xcode.app/Contents/MacOS/Xcode
Architecture: x86_64
Parent: launchd [121]
UID: 501
Task size: 175291 pages (-18383)
CPU Time: 0.456s
在 system.log 中：
Jun 7 12:16:07 imorelaptop.hkc2k3.local Dock[136]: no information back from LS about running process
Jun 7 12:16:17 imorelaptop.hkc2k3.local WindowServer[86]: CGXDisableUpdate: UI updates were forcibly disabled by application "Xcode" for over 1.00 seconds. Server has re-enabled them.
Jun 7 12:16:31 imorelaptop.hkc2k3.local WindowServer[86]: disable_update_likely_unbalanced: UI updates still disabled by application "Xcode" after 15.00 seconds (server forcibly re-enabled them after 1.00 seconds). Likely an unbalanced disableUpdate call.
Jun 7 12:16:39 imorelaptop.hkc2k3.local WindowServer[86]: reenable_update_for_connection: UI updates were finally reenabled by application "Xcode" after 23.15 seconds (server forcibly re-enabled them after 1.00 seconds)
Jun 7 12:17:11 imorelaptop.hkc2k3.local sandboxd[461] ([38]): mds(38) deny mach-lookup �#�:�*��;�j�Z��=�����~�הz�Q�F���N�m�mR���>wD+֍�T#���)�`�ثw�T78۲��r���-�j�&��ň����P�6EAM-�0b
���Q��Xh�R��S�^��
Jun 7 12:17:11 imorelaptop kernel[0]: Sandbox: sandboxd(461) deny mach-lookup com.apple.coresymbolicationd
Jun 7 12:17:11 imorelaptop.hkc2k3.local sandboxd[461] ([38]): mds(38) deny mach-lookup �#�:�*��;�j�Z��=�����~�הz�Q�F���N�m�mR���>wD+֍�T#���)�`�ثw�T78۲��r���-�j�&��ň����P�6EAM-�0b
���Q��Xh�R��S�^��
Jun 7 12:19:51 imorelaptop.hkc2k3.local WebProcess[306]: CoreAnimation: unhandled combiner function: 11
我尝试重新启动我的 VM，将 RAM 增加到 4GB（从 2GB）并重新安装 Xcode，但仍然遇到同样的问题。我也尝试在 Xcode 中打开特定的应用程序和文件，但应用程序仍然在同一点挂起。