P98 debugserver连接lldb后手机卡住,然后还有一堆error,请问是什么原因手机卡住

按照书上p98页上
连接上lldb, 断点打好后. 想按home键触发断点,但是手机卡住,无法操作.请问是什么原因手机卡住?

##debugserver:

sanking:~ root# debugserver *:1234 -a "SpringBoard"
debugserver-@(#)PROGRAM:debugserver  PROJECT:debugserver-320.2.89
 for armv7.
Attaching to process SpringBoard...
Listening to port 1234 for a connection from *...
Waiting for debugger instructions for process 0.

##lldb:

(lldb) process connect connect://192.168.xxx.31:1234
error: unable to find section for section 26
error: unable to find section for section 27
error: unable to find section for section 26
error: unable to find section for section 26
error: unable to find section for section 17
error: unable to find section for section 17
error: unable to find section for section 18
Process 61315 stopped
* thread #1: tid = 0xef83, 0x3469149c libsystem_kernel.dylib`mach_msg_trap + 20, stop reason = signal SIGSTOP
    frame #0: 0x3469149c libsystem_kernel.dylib`mach_msg_trap + 20
libsystem_kernel.dylib`mach_msg_trap + 20:
-> 0x3469149c:  andeq  r0, r0, r0
   0x346914a0:  andeq  r0, r0, r0

libsystem_kernel.dylib`mach_msg_overwrite_trap:
   0x346914a4:  andeq  r0, r0, r0
   0x346914a8:  andeq  r0, r0, r0
(lldb) image list -o -f
[  0] 0x000a6000 /System/Library/CoreServices/SpringBoard.app/SpringBoard(0x00000000000aa000)
...
[407] 0x00009000 /Users/sanking/Library/Developer/Xcode/iOS DeviceSupport/8.4 (12H143)/Symbols/usr/lib/dyld
(lldb) br s -a 0xa6000+0x156e8
Breakpoint 1: where = SpringBoard`___lldb_unnamed_function300$$SpringBoard, address = 0x000bb6e8

看漏了一行:joy:

(lldb) c
Process 93770 resuming

参考帖子http://iosre.com/t/debugserver-lldb/4390