关于windug虚拟机调试问题（我是新手，请各位高手帮忙，谢谢）

zldzjzldh 2009-8-23 16:09 楼主

Opened \\.\pipe\com_1
Waiting to reconnect...
Connected to Windows XP 2600 x86 compatible target, ptr64 FALSE
Kernel Debugger connection established.  (Initial Breakpoint requested)
Symbol search path is: F:\virtual\chapter01\NT_Driver\1\objchk\i386;srv*d:\mysymbols*http://msdl.microsoft.com/download/symbols
Executable search path is: F:\virtual\chapter01\NT_Driver\1
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ntoskrnl.exe -
Windows XP Kernel Version 2600 (Service Pack 3) UP Free x86 compatible
Built by: 2600.xpsp.080413-2111
Kernel base = 0x804d8000 PsLoadedModuleList = 0x8055c1c0
System Uptime: not available
Break instruction exception - code 80000003 (first chance)
*******************************************************************************
*                                                                            *
* You are seeing this message because you pressed either                   *
*    CTRL+C (if you run kd.exe) or,                                     *
*    CTRL+BREAK (if you run WinDBG),                                     *
* on your debugger machine's keyboard.                                     *
*                                                                            *
*                THIS IS NOT A BUG OR A SYSTEM CRASH                      *
*                                                                            *
* If you did not intend to break into the debugger, press the "g" key, then *
* press the "Enter" key now.  This message might immediately reappear.  If it *
* does, press "g" and "Enter" again.                                        *
*                                                                            *
*******************************************************************************
nt!DbgBreakPointWithStatus+0x5:
804e4593 c20400       ret    4

请问这是什么原因