DOCUMENT:Q247329 08-MAY-2002 [winnt] TITLE :Process Generates Stop 0x50 Error Message in ExpCopyProcessInfo PRODUCT :Microsoft Windows NT PROD/VER:winnt:4.0,4.0 SP1,4.0 SP2,4.0 SP3,4.0 SP4,4.0 SP5,4.0 SP6,4.0 SP6a OPER/SYS: KEYWORDS:kbenv kberrmsg kbWinNT400PreSP7Fixkbfixlist ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6, 4.0 SP6a - Microsoft Windows NT Server, Enterprise Edition versions 4.0, 4.0 SP4, 4.0 SP5, 4.0 SP6, 4.0 SP6a - Microsoft Windows NT Workstation versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6, 4.0 SP6a ------------------------------------------------------------------------------- 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 described in this article and should be applied only to systems 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 on support costs, please go to the following address on the World Wide Web: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS NOTE: In special cases, charges that are normally incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. Normal 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 this to be a problem in Windows NT 4.0. Additional query words: patrolperf.exe ptntreg.exe compaq bmc ====================================================================== Keywords : kbenv kberrmsg kbWinNT400PreSP7Fix kbfixlist Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTW400sp5 kbWinNTW400sp4 kbWinNTW400sp3 kbWinNTW400sp2 kbWinNTW400sp1 kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400sp6 kbWinNTSEnt400sp5 kbWinNTSEnt400sp4 kbWinNTSEnt400 kbWinNTS400sp6 kbWinNTS400sp5 kbWinNTS400sp4 kbWinNTS400sp3 kbWinNTS400sp2 kbWinNTS400sp1 kbWinNTS400search kbWinNTS400 kbWinNTW400sp6 kbWinNTSEnt400SP6a kbWinNTW400SP6a Version : winnt:4.0,4.0 SP1,4.0 SP2,4.0 SP3,4.0 SP4,4.0 SP5,4.0 SP6,4.0 SP6a Hardware : ALPHA x86 Issue type : kbprb Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.