DOCUMENT:Q308605 08-MAY-2002 [winnt] TITLE :Stop 0x00000048/Stop 0x0000000A Caused By Named Pipe File System PRODUCT :Microsoft Windows NT PROD/VER::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 kbtool ====================================================================== ------------------------------------------------------------------------------- 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 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 ======== A stop 0x0000000A or stop 0x00000048 error may occur in the named pipe file system (Npfs.sys). CAUSE ===== This problem can occur when a synchronization problem causes an on thread to complete another thread's IRP. This can cause an IRP to be completed twice. This problem can occur on an input/output abort or cancel. 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 ------------------------------------------------------------- 5-Oct-2001 16:31p 38,512 Npfs.sys Intel NOTE: Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a. STATUS ====== Microsoft has confirmed this to be a problem in Windows NT 4.0. MORE INFORMATION ================ The stack of the stop A appears to be similar to the following stack: ChildEBP RetAddr Args to Child f5cc6cf8 ebc51a19 00000000 826fe2c8 f5cc6d44 ntkrnlmp!KiTrap0E+0x284 (FPO: [0,0] TrapFrame @ f5cc6cf8) f5cc6dac 80112947 80ee2bf0 826fe2c8 00000103 Npfs!NpCancelWaitQueueIrp+0x71 (FPO: [Non-Fpo]) f5cc6dd0 80171e47 826fe2c8 826fe2c8 8016df01 ntkrnlmp!IoCancelIrp+0x6b (FPO: [Non-Fpo]) f5cc6df0 8017342b 8223fae4 826fe2c8 00000000 ntkrnlmp!IopCancelAlertedRequest+0x2b (FPO: [Non-Fpo]) f5cc6e14 80173b39 80ee2bf0 826fe2c8 8223fa88 ntkrnlmp!IopSynchronousServiceTail+0xed (FPO: [Non-Fpo]) f5cc6ea0 8016df4c 000000e8 00000000 00000000 ntkrnlmp!IopXxxControlFile+0x6c1 (FPO: [Non-Fpo]) f5cc6ed4 801413a9 000000e8 00000000 00000000 ntkrnlmp!NtFsControlFile+0x28 (FPO: [Non-Fpo]) f5cc6ed4 77f67a5b 000000e8 00000000 00000000 ntkrnlmp!KiSystemService+0xc9 (FPO: [0,0] TrapFrame @ f5cc6f04) 00c0fa1c 77f162ed 000000e8 00000000 00000000 ntdll!NtFsControlFile+0xb (FPO: [10,0,0]) 00c0faac 77bf156b 001400b0 000003e8 77bf1419 KERNEL32!IsThisARootDirectory+0x42 (FPO: [Non-Fpo]) 00c0fab8 77bf1419 001400b0 001413cc 00c0fbb8 rpcltc1!WaitForPipe+0xf (FPO: [1,0,0]) 00c0fb24 77e1a23b 001413c8 00133c60 00133bf0 rpcltc1!ClientOpen_91+0x3c (FPO: [Non-Fpo]) 00c0fb74 77e1bc08 77bf4030 00133c60 00133bf0 RPCRT4!TRANS_CCONNECTION__TRANS_CCONNECTION+0x8c (FPO: [Non-Fpo]) 00c0fbbc 77e1afd3 00134874 00134888 00000001 RPCRT4!OSF_CASSOCIATION__ActuallyDoBinding+0xbd (FPO: [Non-Fpo]) 00c0fbfc 77e1be76 77dedf40 00c0fc48 00000005 RPCRT4!OSF_CASSOCIATION__AllocateConnection+0x95 (FPO: [Non-Fpo]) 00c0fc24 77e1ab52 00c0fc48 77dedf40 00c0fca2 RPCRT4!OSF_BINDING_HANDLE__AllocateConnection+0x9a (FPO: [EBP 0x00c0fc4c] [2,1,4] 00c0fc4c 77e11101 00c0fe38 00c0fd84 77e1228f RPCRT4!OSF_BINDING_HANDLE__GetBuffer+0x28 (FPO: [Non-Fpo]) 00c0fc58 77e1228f 00c0fe38 77dee53e 77e548ca RPCRT4!I_RpcGetBuffer+0x3a (FPO: [1,0,1]) 00c0fc64 77e548ca 00c0fd84 0000002c 00133c80 RPCRT4!NdrGetBuffer+0x26 (FPO: [3,0,1]) 00c0ff00 77dd8d0c 77dedf88 77dee0ac 00c0ff1c RPCRT4!NdrClientCall+0x28b (FPO: [Non-Fpo]) 3: kd> .trap f5cc6cf8 eax=c0000120 ebx=00000000 ecx=c0000128 edx=00000003 esi=ffffffa8 edi=8011b9ad eip=ebc51a19 esp=f5cc6d6c ebp=f5cc6dac iopl=0 nv up ei pl nz na pe cy vip=0 vif=0 cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00010203 ErrCode = 00000000 ebc51a19 8b461c mov eax,[esi+0x1c] Additional query words: ====================================================================== Keywords : kbenv kbtool Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTW400sp5 kbWinNTW400sp4 kbWinNTW400sp3 kbWinNTW400sp2 kbWinNTW400sp1 kbWinNTSsearch kbWinNTS400sp6 kbWinNTS400sp5 kbWinNTS400sp4 kbWinNTS400sp3 kbWinNTS400sp2 kbWinNTS400sp1 kbWinNTS400search kbWinNTS400 kbWinNTW400sp6 kbWinNTW400SP6a Version : :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 : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. 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