Microsoft KB Archive/247329

= Exiting Process Generates a Stop 0x50 Error Message in ExpCopyProcessInfo =

Article ID: 247329

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT 4.0 Service Pack 1
 * Microsoft Windows NT 4.0 Service Pack 2
 * Microsoft Windows NT 4.0 Service Pack 3
 * Microsoft Windows NT 4.0 Service Pack 4
 * Microsoft Windows NT 4.0 Service Pack 5
 * Microsoft Windows NT 4.0 Service Pack 6
 * Microsoft Windows NT 4.0 Service Pack 6a
 * Microsoft Windows NT Server 4.0 Enterprise Edition
 * Microsoft Windows NT 4.0 Service Pack 4
 * Microsoft Windows NT 4.0 Service Pack 5
 * Microsoft Windows NT 4.0 Service Pack 6
 * Microsoft Windows NT 4.0 Service Pack 6a
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Workstation 4.0
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q247329



SYMPTOMS
In a very rare race condition, an exiting process can cause your computer to generate a Stop 0x50 error message (bugcheck) with the following stack trace:

2: kd> !kb

!kb cannot get version packet on a crash dumpcannot get version packet on a crash dumpChildEBP Ret

f68f4bb8 801545da eb7363d8 ba1a4e08 00007000 ntkrnlmp!ExpCopyProcessInfo+0x11

f68f4c38 8015b5d1 00161008 00007000 f68f4ec8 ntkrnlmp!ExpGetProcessInformation+0x156

f68f4eec 80140be9 00000005 00161008 00007000 ntkrnlmp!NtQuerySystemInformation+0x725

f68f4eec 0012fab0 00000005 00161008 00007000 ntkrnlmp!KiSystemService+0xc9

f68f4bac b7d16fec eb7363d8 b7d16e58 801545da +0x12fab0

2: kd> !trap f68f4b3c

!trap f68f4b3c

eax=bbd26fb0 ebx=b7d16e58 ecx=00006458 edx=0000000f esi=eb7363d8 edi=ba1a4e08

eip=8015c6e5 esp=f68f4bb0 ebp=f68f4c38 iopl=0 nv up ei ng nz na pe nc

vip=0 vif=0

cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00010282

ErrCode = 00000000

8015c6e5 8b4014 mov eax,[eax+0x14]



RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

  Date         Time          Size            File name      Platform --  11/11/1999   1:08 pm       952,256         Ntkrnlmp.exe   x86 11/11/1999  1:07 pm       932,032         Ntoskrnl.exe   x86

11/11/1999  1:05 pm       1,404,032       Ntkrnlmp.exe   Alpha 11/11/1999  1:05 pm       1,375,808       Ntoskrnl.exe   Alpha



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0.

Additional query words: patrolperf.exe ptntreg.exe compaq bmc

Keywords: kberrmsg kbfix kbqfe kbenv kbprb kbhotfixserver KB247329

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