Question:
My computer crashes and I've performed the debugger; What does this mean?
*~kAy~*
2009-09-19 23:27:35 UTC
Microsoft (R) Windows Debugger Version 6.11.0001.404 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.


Loading Dump File [C:\Windows\Minidump\Mini091909-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*c:\symbols*http://msdl.microsoft.com/download/symbols
Executable search path is:
Windows Vista Kernel Version 6000 MP (2 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Built by: 6000.16386.amd64fre.vista_rtm.061101-2205
Machine Name:
Kernel base = 0xfffff800`01800000 PsLoadedModuleList = 0xfffff800`01999e90
Debug session time: Sat Sep 19 22:09:42.570 2009 (GMT-7)
System Uptime: 0 days 2:27:38.704
Loading Kernel Symbols
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Loading User Symbols
Loading unloaded module list
.......
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* Bugcheck Analysis *
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Use !analyze -v to get detailed debugging information.

BugCheck C000021A, {fffff8800063ab00, ffffffffc0000001, 0, 0}

Probably caused by : ntkrnlmp.exe ( nt!ExpSystemErrorHandler2+5e9 )

Followup: MachineOwner
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0: kd> !analyze -v
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* Bugcheck Analysis *
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WINLOGON_FATAL_ERROR (c000021a)
The Winlogon process terminated unexpectedly.
Arguments:
Arg1: fffff8800063ab00, String that identifies the problem.
Arg2: ffffffffc0000001, Error Code.
Arg3: 0000000000000000
Arg4: 0000000000000000

Debugging Details:
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ERROR_CODE: (NTSTATUS) 0xc000021a - {Fatal System Error} The %hs system process terminated unexpectedly with a status of 0x%08x (0x%08x 0x%08x). The system has been shut down.

EXCEPTION_CODE: (NTSTATUS) 0xc000021a - {Fatal System Error} The %hs system process terminated unexpectedly with a status of 0x%08x (0x%08x 0x%08x). The system has been shut down.

EXCEPTION_PARAMETER1: fffff8800063ab00

EXCEPTION_PARAMETER2: ffffffffc0000001

EXCEPTION_PARAMETER3: 0000000000000000

EXCEPTION_PARAMETER4: 0

BUGCHECK_STR: 0xc000021a_c0000001

CUSTOMER_CRASH_COUNT: 1

DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT

PROCESS_NAME: smss.exe

CURRENT_IRQL: 0

LAST_CONTROL_TRANSFER: from fffff80001b92ccc to fffff8000184e250

STACK_TEXT:
fffff980`0283a4e8 fffff800`01b92ccc : 00000000`0000004c 00000000`c000021a fffff980`0283a5f8 fffffa80`06785a90 : nt!KeBugCheckEx
fffff980`0283a4f0 fffff800`01a11129 : fffffa80`063e7686 fffff980`0283aca0 00000000`00000100 fffffa80`0641af10 : nt!PoShutdownBugCheck+0x8c
fffff980`0283a560 fffff800`019ff814 : 00000000`00000150 fffffa80`03c628a0 00000000`00000000 00000000`00000004 : nt!ExpSystemErrorHandler2+0x5e9
fffff980`0283a790 fffff800`01b75ad3 : 00000000`c000021a 00000000`00000004 00000000`00000001 fffff980`0283ab58 : nt!ExpSystemErrorHandler+0xd4
fffff980`0283a7d0 fffff800`01b76107 : fffff880`c000021a fffff800`00000004 fffff880`00000001 fffff980`0283ab58 : nt!ExpRaiseHardError+0xe3
fffff980`0283ab10 fffff800`0184dcf3 : fffffa80`06127bb0 fffffa80`05fe5c10 00000000`0032fd78 fffff800`01ab545d : nt!NtRaiseHardError+0x1e5
fffff980`0283abb0 00000000`779f156a : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
00000000`0032fd58 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x779f156a


STACK_COMMAND: kb

FOLLOWUP_IP:
nt!ExpSystemErrorHandler2+5e9
fffff800`01a11129 cc int 3

SYMBOL_STACK_INDEX: 2

SYMBOL_NAME: nt!ExpSystemErrorHandler2+5e9

FOLLOWUP_NAME: MachineOwner

MODULE_NAME: nt

IMAGE_NAME: ntkrnlmp.exe

DEBUG_FLR_IMAGE_TIMESTAMP: 4549b6c6

FAILURE_BUCKET_ID: X64_0xc000021a_c0000001_nt!ExpSystemErrorHandler2+5e9

BUCKET_ID: X64_0xc000021a_c0000001_nt!ExpSystemErrorHandler2+5e9

Followup: MachineOwner
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Four answers:
buGGedDown
2009-09-19 23:34:11 UTC
it seems the ntkrnlmp.exe is failing, reinstalling windows might solve the problem.
2009-09-20 00:01:20 UTC
Press and hold the F8 key as your computer restarts. You need to press F8 before the Windows logo appears. If the Windows logo appears, you will need to try again by waiting until the Windows logon prompt appears, and then shutting down and restarting your computer.



On the Advanced Boot Options screen, use the arrow keys to highlight Last Known Good Configuration, and then press ENTER.







If that doesn't fix it do an in place upgrade

http://vistasupport.mvps.org/repair_a_vista_installation_using_the_upgrade_option_of_the_vista_dvd.htm
2016-12-11 16:49:58 UTC
Bugcheck C000021a
Benny
2009-09-19 23:44:12 UTC
Looks like a driver problem. Google this: ntknlmp.exe this is not an easy fix over the internet. A driver is software used run hardware on your computer such as a, video card, printer, sound card. Video Cards are notorious for this so i would start there.


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