参考链接：https://www.5axxw.com/questions/content/x2zlpx

 问题：崩溃提示：

Message from debugger: The LLDB RPC server has crashed. You may need to manually terminate your process. The crash log is located in ~/Library/Logs/DiagnosticReports and has a prefix 'lldb-rpc-server'. Please file a bug and attach the most recent crash log.

翻译：

来自调试器的消息：LLDB RPC服务器已崩溃。您可能需要手动终止流程。崩溃日志位于~/Library/Logs/DiagnosticReports中，前缀为“lldb-rpc-server”。请提交错误并附上最新的崩溃日志。

原因：

Xcode断点 位置为数据请求、或者需要LLDB快速运转的地方，一旦停止，LLDB便诊断为卡顿，所以爆异常退出；详情可见参考链接

解决：

在其他问题打断点，在断点位置直接打log;  提交给苹果开发者网站 ，让他们修复。

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*****崩溃文件部分内容截取如下：

Crashed Thread:        7  RPC packet thread for client tid 00097439 (619577)

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000190
Exception Codes:       0x0000000000000001, 0x0000000000000190

Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11
Terminating Process:   exc handler [75586]

VM Region Info: 0x190 is not in any region.  Bytes before following region: 105554055790192
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      MALLOC_NANO (reserved)   600038000000-600040000000 [128.0M] rw-/rwx SM=NUL  ...(unallocated)