XPCServices 一直报崩溃！？
每次开机后，就看到这个相关的log记录。几分钟后系统自己又偿试运行还是崩溃。不知有什么影响？？？好像从来没有正常运行引起来过{:5_278:}。有解决方法吗？？？？提供思路也行哦。
--------------------------------------------------------以下日志。
Process: com.apple.dock.extra
Path: /System/Library/CoreServices/Dock.app/Contents/XPCServices/com.apple.dock.extra.xpc/Contents/MacOS/com.apple.dock.extra
Identifier: com.apple.dock.extra
Version: 1.0 (1)
Build Info: Dock-1168009000000000~1
Code Type: X86-64 (Native)
Parent Process:???
User ID: 501
Date/Time: 2016-07-22 22:11:25.491 +0800
OS Version: Mac OS X 10.8.5 (12F2560)
Report Version:10
Crashed Thread:0Dispatch queue: com.apple.dock.extra.peer.0x7fe40a4245d0.xpcq
Exception Type:EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000018
VM Regions Near 0x18:
-->
__TEXT 00000001001ba000-00000001001bf000 [ 20K] r-x/rwx SM=COW/System/Library/CoreServices/Dock.app/Contents/XPCServices/com.apple.dock.extra.xpc/Contents/MacOS/com.apple.dock.extra
Thread 0 Crashed:: Dispatch queue: com.apple.dock.extra.peer.0x7fe40a4245d0.xpcq
0 libobjc.A.dylib 0x00007fff866b6498 objc_msgSend_vtable3 + 24
1 com.apple.Foundation 0x00007fff8c6d82e7 - + 646
2 com.apple.Foundation 0x00007fff8c6d805c - + 19
3 com.apple.Foundation 0x00007fff8c6d8c64 - + 39
4 com.apple.dock.extra 0x00000001001bbecc 0x1001ba000 + 7884
5 com.apple.dock.extra 0x00000001001bc7c7 0x1001ba000 + 10183
6 libxpc.dylib 0x00007fff8877a4a2 _xpc_connection_recv_message + 699
7 libxpc.dylib 0x00007fff8877a16d _xpc_connection_wakeup_recv + 165
8 libxpc.dylib 0x00007fff887788b4 _xpc_connection_wakeup2 + 1799
9 libxpc.dylib 0x00007fff8877817c _xpc_connection_wakeup + 145
10libdispatch.dylib 0x00007fff81d0a0b6 _dispatch_client_callout + 8
11libdispatch.dylib 0x00007fff81d0c29b _dispatch_source_invoke + 691
12libdispatch.dylib 0x00007fff81d0b305 _dispatch_queue_invoke + 72
13libdispatch.dylib 0x00007fff81d0b448 _dispatch_queue_drain + 180
14libdispatch.dylib 0x00007fff81d0b2f1 _dispatch_queue_invoke + 52
15libdispatch.dylib 0x00007fff81d0f091 _dispatch_main_queue_callback_4CF + 220
16com.apple.CoreFoundation 0x00007fff84d9cb4c __CFRunLoopRun + 1644
17com.apple.CoreFoundation 0x00007fff84d9c0e2 CFRunLoopRunSpecific + 290
18com.apple.HIToolbox 0x00007fff89a47eb4 RunCurrentEventLoopInMode + 209
19com.apple.HIToolbox 0x00007fff89a47c52 ReceiveNextEventCommon + 356
20com.apple.HIToolbox 0x00007fff89a47ae3 BlockUntilNextEventMatchingListInMode + 62
21com.apple.AppKit 0x00007fff8a691533 _DPSNextEvent + 685
22com.apple.AppKit 0x00007fff8a690df2 - + 128
23com.apple.AppKit 0x00007fff8a6881a3 - + 517
24com.apple.AppKit 0x00007fff8a62cbd6 NSApplicationMain + 869
25com.apple.XPCService 0x00007fff8486fd15 xpc_service_main + 433
26com.apple.dock.extra 0x00000001001bb744 0x1001ba000 + 5956
Log里查找Dock就可看到它一直想启动，但一直失败。。。
16-7-23 上午9:59:15.271 Dock: DockTilePlugin for application file://localhost/Applications/iTunes.app/ has failed. Trying again in 2 minutes
16-7-23 上午9:59:15.272 Dock: DockTilePlugin for application file://localhost/Applications/System%20Preferences.app/ has failed. Trying again in 2 minutes
16-7-23 上午9:59:15.272 com.apple.launchd: (com.apple.dock.extra) Job appears to have crashed: Segmentation fault: 11
16-7-23 上午9:59:15.272 Dock: DockTilePlugin for application file://localhost/Applications/Reminders.app/ has failed. Trying again in 2 minutes
16-7-23 上午9:59:15.272 Dock: DockTilePlugin for application file://localhost/Applications/Messages.app/ has failed. Trying again in 2 minutes
16-7-23 上午9:59:15.273 Dock: DockTilePlugin for application file://localhost/Applications/App%20Store.app/ has failed. Trying again in 2 minutes
16-7-23 上午9:59:15.273 Dock: connection to extra for file://localhost/Applications/Messages.app/ interrupted
16-7-23 上午9:59:15.273 Dock: connection to extra for file://localhost/Applications/App%20Store.app/ interrupted
16-7-23 上午9:59:15.274 Dock: connection to extra for file://localhost/Applications/iTunes.app/ interrupted
16-7-23 上午9:59:15.274 Dock: connection to extra for file://localhost/Applications/System%20Preferences.app/ interrupted
16-7-23 上午9:59:15.274 Dock: connection to extra for file://localhost/Applications/Reminders.app/ interrupted
16-7-23 上午9:59:15.274 Dock: DockTilePlugin for application file://localhost/Applications/Calendar.app/ has failed. Trying again in 2 minutes
16-7-23 上午9:59:15.275 Dock: DockTilePlugin for application file://localhost/Applications/iPhoto.app/ has failed. Trying again in 2 minutes
16-7-23 上午9:59:15.275 Dock: connection to extra for file://localhost/Applications/Calendar.app/ interrupted
16-7-23 上午9:59:15.275 Dock: connection to extra for file://localhost/Applications/iPhoto.app/ interrupted
16-7-23 上午9:59:15.275 Dock: DockTilePlugin for application file://localhost/Applications/FaceTime.app/ has failed. Trying again in 2 minutes
16-7-23 上午9:59:15.276 Dock: connection to extra for file://localhost/Applications/FaceTime.app/ interrupted
16-7-23 上午9:59:15.367 ReportCrash: Saved crash report for com.apple.dock.extra version 1.0 (1) to /Users/YOUNAME/Library/Logs/DiagnosticReports/com.apple.dock.extra_2016-07-23-095915_YOUNAME.crash
16-7-23 上午9:59:15.370 ReportCrash: Removing excessive log: file://localhost/Users/YOUNAME/Library/Logs/DiagnosticReports/com.apple.dock.extra_2016-07-21-100641_YOUNAME.crash
16-7-23 上午10:01:23.620 Dock: DockTilePlugin for application file://localhost/Applications/iTunes.app/ has failed. Trying again in 9 minutes
16-7-23 上午10:01:23.620 Dock: DockTilePlugin for application file://localhost/Applications/Reminders.app/ has failed. Trying again in 9 minutes
16-7-23 上午10:01:23.620 com.apple.launchd: (com.apple.dock.extra) Job appears to have crashed: Segmentation fault: 11
16-7-23 上午10:01:23.620 Dock: DockTilePlugin for application file://localhost/Applications/Messages.app/ has failed. Trying again in 9 minutes
16-7-23 上午10:01:23.621 Dock: DockTilePlugin for application file://localhost/Applications/System%20Preferences.app/ has failed. Trying again in 9 minutes
16-7-23 上午10:01:23.621 Dock: DockTilePlugin for application file://localhost/Applications/App%20Store.app/ has failed. Trying again in 9 minutes
16-7-23 上午10:01:23.621 Dock: DockTilePlugin for application file://localhost/Applications/Calendar.app/ has failed. Trying again in 9 minutes
16-7-23 上午10:01:23.621 Dock: DockTilePlugin for application file://localhost/Applications/iPhoto.app/ has failed. Trying again in 9 minutes
16-7-23 上午10:01:23.622 Dock: DockTilePlugin for application file://localhost/Applications/FaceTime.app/ has failed. Trying again in 9 minutes
16-7-23 上午10:01:23.622 Dock: connection to extra for file://localhost/Applications/Reminders.app/ interrupted
16-7-23 上午10:01:23.622 Dock: connection to extra for file://localhost/Applications/System%20Preferences.app/ interrupted
16-7-23 上午10:01:23.622 Dock: connection to extra for file://localhost/Applications/iTunes.app/ interrupted
16-7-23 上午10:01:23.623 Dock: connection to extra for file://localhost/Applications/Messages.app/ interrupted
16-7-23 上午10:01:23.623 Dock: connection to extra for file://localhost/Applications/App%20Store.app/ interrupted
16-7-23 上午10:01:23.623 Dock: connection to extra for file://localhost/Applications/iPhoto.app/ interrupted
16-7-23 上午10:01:23.623 Dock: connection to extra for file://localhost/Applications/Calendar.app/ interrupted
16-7-23 上午10:01:23.624 Dock: connection to extra for file://localhost/Applications/FaceTime.app/ interrupted
16-7-23 上午10:01:23.708 ReportCrash: Saved crash report for com.apple.dock.extra version 1.0 (1) to /Users/YOUNAME/Library/Logs/DiagnosticReports/com.apple.dock.extra_2016-07-23-100123_YOUNAME.crash
16-7-23 上午10:01:23.711 ReportCrash: Removing excessive log: file://localhost/Users/YOUNAME/Library/Logs/DiagnosticReports/com.apple.dock.extra_2016-07-21-124632_YOUNAME.crash
16-7-23 上午10:09:56.027 Dock: DockTilePlugin for application file://localhost/Applications/iTunes.app/ has failed. Trying again in 34 minutes
16-7-23 上午10:09:56.027 Dock: DockTilePlugin for application file://localhost/Applications/Messages.app/ has failed. Trying again in 34 minutes
16-7-23 上午10:09:56.027 com.apple.launchd: (com.apple.dock.extra) Job appears to have crashed: Segmentation fault: 11
16-7-23 上午10:09:56.027 Dock: connection to extra for file://localhost/Applications/Messages.app/ interrupted
16-7-23 上午10:09:56.028 Dock: DockTilePlugin for application file://localhost/Applications/Reminders.app/ has failed. Trying again in 34 minutes
16-7-23 上午10:09:56.028 Dock: DockTilePlugin for application file://localhost/Applications/System%20Preferences.app/ has failed. Trying again in 34 minutes
16-7-23 上午10:09:56.028 Dock: DockTilePlugin for application file://localhost/Applications/App%20Store.app/ has failed. Trying again in 34 minutes
16-7-23 上午10:09:56.028 Dock: DockTilePlugin for application file://localhost/Applications/Calendar.app/ has failed. Trying again in 34 minutes
16-7-23 上午10:09:56.029 Dock: DockTilePlugin for application file://localhost/Applications/iPhoto.app/ has failed. Trying again in 34 minutes
16-7-23 上午10:09:56.029 Dock: DockTilePlugin for application file://localhost/Applications/FaceTime.app/ has failed. Trying again in 34 minutes
16-7-23 上午10:09:56.029 Dock: connection to extra for file://localhost/Applications/Reminders.app/ interrupted
16-7-23 上午10:09:56.029 Dock: connection to extra for file://localhost/Applications/System%20Preferences.app/ interrupted
16-7-23 上午10:09:56.030 Dock: connection to extra for file://localhost/Applications/iTunes.app/ interrupted
16-7-23 上午10:09:56.030 Dock: connection to extra for file://localhost/Applications/App%20Store.app/ interrupted
16-7-23 上午10:09:56.030 Dock: connection to extra for file://localhost/Applications/Calendar.app/ interrupted
16-7-23 上午10:09:56.030 Dock: connection to extra for file://localhost/Applications/iPhoto.app/ interrupted
16-7-23 上午10:09:56.031 Dock: connection to extra for file://localhost/Applications/FaceTime.app/ interrupted
16-7-23 上午10:09:56.122 ReportCrash: Saved crash report for com.apple.dock.extra version 1.0 (1) to /Users/YOUNAME/Library/Logs/DiagnosticReports/com.apple.dock.extra_2016-07-23-100956_YOUNAME.crash
16-7-23 上午10:09:56.124 ReportCrash: Removing excessive log: file://localhost/Users/YOUNAME/Library/Logs/DiagnosticReports/com.apple.dock.extra_2016-07-22-100953_YOUNAME.crash
16-7-23 上午10:44:04.420 Dock: DockTilePlugin for application file://localhost/Applications/iTunes.app/ has failed. Trying again in 2 hours
16-7-23 上午10:44:04.420 Dock: DockTilePlugin for application file://localhost/Applications/Reminders.app/ has failed. Trying again in 2 hours
16-7-23 上午10:44:04.420 com.apple.launchd: (com.apple.dock.extra) Job appears to have crashed: Segmentation fault: 11
16-7-23 上午10:44:04.421 Dock: DockTilePlugin for application file://localhost/Applications/Messages.app/ has failed. Trying again in 2 hours
16-7-23 上午10:44:04.421 Dock: DockTilePlugin for application file://localhost/Applications/System%20Preferences.app/ has failed. Trying again in 2 hours
16-7-23 上午10:44:04.421 Dock: DockTilePlugin for application file://localhost/Applications/App%20Store.app/ has failed. Trying again in 2 hours
16-7-23 上午10:44:04.421 Dock: DockTilePlugin for application file://localhost/Applications/Calendar.app/ has failed. Trying again in 2 hours
16-7-23 上午10:44:04.422 Dock: DockTilePlugin for application file://localhost/Applications/iPhoto.app/ has failed. Trying again in 2 hours
16-7-23 上午10:44:04.422 Dock: DockTilePlugin for application file://localhost/Applications/FaceTime.app/ has failed. Trying again in 2 hours
16-7-23 上午10:44:04.422 Dock: connection to extra for file://localhost/Applications/iTunes.app/ interrupted
16-7-23 上午10:44:04.422 Dock: connection to extra for file://localhost/Applications/Messages.app/ interrupted
16-7-23 上午10:44:04.422 Dock: connection to extra for file://localhost/Applications/Reminders.app/ interrupted
16-7-23 上午10:44:04.423 Dock: connection to extra for file://localhost/Applications/System%20Preferences.app/ interrupted
16-7-23 上午10:44:04.423 Dock: connection to extra for file://localhost/Applications/App%20Store.app/ interrupted
16-7-23 上午10:44:04.423 Dock: connection to extra for file://localhost/Applications/Calendar.app/ interrupted
16-7-23 上午10:44:04.423 Dock: connection to extra for file://localhost/Applications/iPhoto.app/ interrupted
16-7-23 上午10:44:04.423 Dock: connection to extra for file://localhost/Applications/FaceTime.app/ interrupted
16-7-23 上午10:44:04.510 ReportCrash: Saved crash report for com.apple.dock.extra version 1.0 (1) to /Users/YOUNAME/Library/Logs/DiagnosticReports/com.apple.dock.extra_2016-07-23-104404_YOUNAME.crash
16-7-23 上午10:44:04.513 ReportCrash: Removing excessive log: file://localhost/Users/YOUNAME/Library/Logs/DiagnosticReports/com.apple.dock.extra_2016-07-22-101007_YOUNAME.crash
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