您好！我在使用windbg分析蓝屏文件时，出现了如下提示：

Loading Dump File [C:\Windows\Minidump\102012-41293-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: srv*C:\\sys*http://msdl.microsoft.com/download/symbols;C:\sys
Executable search path is:
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ntkrpamp.exe - Windows Kernel Version 7601 (Service Pack 1) MP (4 procs) Free x86 compatible
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7601.17944.x86fre.win7sp1_gdr.120830-0333
Kernel base = 0x84852000 PsLoadedModuleList = 0x8499c4d0
Debug session time: Sat Oct 20 21:43:45.431 2012 (GMT+8)
System Uptime: 0 days 0:00:57.586
*** ERROR: Symbol file could not be found.  Defaulted to export symbols for ntkrpamp.exe - Loading Kernel Symbols
.........................................................................................................................................................................
Loading User Symbols
Loading unloaded module list
然后就没音儿了.....请问这是什么情况？谢谢