Hi,
Today our SQL Server service crashed with no apparent reason.
I don't have any error in the event log.
I have a stack dump in the SQL Server Log :
2013-11-28 11:30:37.20 Server **Dump thread - spid = 0, EC = 0x00000000000000002013-11-28 11:30:37.21 Server ***Stack Dump being sent to d:\MSSQL\MSSQL10_50.MSSQLSERVER\MSSQL\LOG\SQLDump0006.txt
2013-11-28 11:30:37.21 Server * *******************************************************************************
2013-11-28 11:30:37.21 Server *
2013-11-28 11:30:37.21 Server * BEGIN STACK DUMP:
2013-11-28 11:30:37.21 Server * 11/28/13 11:30:37 spid 1492
2013-11-28 11:30:37.21 Server *
2013-11-28 11:30:37.21 Server * ex_terminator - Last chance exception handling
2013-11-28 11:30:37.21 Server *
2013-11-28 11:30:37.21 Server *
2013-11-28 11:30:37.21 Server * MODULE BASE END SIZE
2013-11-28 11:30:37.22 Server * sqlservr 0000000000C10000 00000000047BDFFF 03bae000
2013-11-28 11:30:37.22 Server * ntdll 00000000776D0000 0000000077878FFF 001a9000
2013-11-28 11:30:37.22 Server * kernel32 00000000775B0000 00000000776CEFFF 0011f000
2013-11-28 11:30:37.22 Server * KERNELBASE 000007FEFDC20000 000007FEFDC8BFFF 0006c000
2013-11-28 11:30:37.22 Server * ADVAPI32 000007FEFDFF0000 000007FEFE0CAFFF 000db000
2013-11-28 11:30:37.22 Server * msvcrt 000007FEFE570000 000007FEFE60EFFF 0009f000
2013-11-28 11:30:37.22 Server * sechost 000007FEFE4D0000 000007FEFE4EEFFF 0001f000
2013-11-28 11:30:37.22 Server * RPCRT4 000007FEFF8B0000 000007FEFF9DCFFF 0012d000
2013-11-28 11:30:37.22 Server * MSVCR80 0000000074EA0000 0000000074F68FFF 000c9000
2013-11-28 11:30:37.22 Server * MSVCP80 0000000074D90000 0000000074E98FFF 00109000
2013-11-28 11:30:37.22 Server * sqlos 0000000073540000 0000000073546FFF 00007000
2013-11-28 11:30:37.22 Server * Secur32 000007FEFD6E0000 000007FEFD6EAFFF 0000b000
2013-11-28 11:30:37.22 Server * SSPICLI 000007FEFD990000 000007FEFD9B4FFF 00025000
2013-11-28 11:30:37.22 Server * pdh 000007FEFAE40000 000007FEFAE8DFFF 0004e000
2013-11-28 11:30:37.22 Server * SHLWAPI 000007FEFE210000 000007FEFE280FFF 00071000
2013-11-28 11:30:37.22 Server * GDI32 000007FEFE0D0000 000007FEFE136FFF 00067000
2013-11-28 11:30:37.22 Server * USER32 0000000076FF0000 00000000770E9FFF 000fa000
2013-11-28 11:30:37.22 Server * LPK 000007FEFDF00000 000007FEFDF0DFFF 0000e000
2013-11-28 11:30:37.22 Server * USP10 000007FEFF6D0000 000007FEFF798FFF 000c9000
2013-11-28 11:30:37.22 Server * USERENV 000007FEFCE70000 000007FEFCE8DFFF 0001e000
2013-11-28 11:30:37.22 Server * profapi 000007FEFDB30000 000007FEFDB3EFFF 0000f000
2013-11-28 11:30:37.22 Server * WINMM 000007FEFAE00000 000007FEFAE3AFFF 0003b000
2013-11-28 11:30:37.22 Server * IPHLPAPI 000007FEFBC10000 000007FEFBC36FFF 00027000
2013-11-28 11:30:37.22 Server * NSI 000007FEFE140000 000007FEFE147FFF 00008000
2013-11-28 11:30:37.22 Server * WINNSI 000007FEFBBD0000 000007FEFBBDAFFF 0000b000
2013-11-28 11:30:37.22 Server * opends60 0000000073530000 0000000073537FFF 00008000
2013-11-28 11:30:37.22 Server * NETAPI32 000007FEFB830000 000007FEFB845FFF 00016000
2013-11-28 11:30:37.22 Server * netutils 000007FEFB820000 000007FEFB82BFFF 0000c000
2013-11-28 11:30:37.22 Server * srvcli 000007FEFD5D0000 000007FEFD5F2FFF 00023000
2013-11-28 11:30:37.22 Server * wkscli 000007FEFB800000 000007FEFB814FFF 00015000
2013-11-28 11:30:37.22 Server * LOGONCLI 000007FEFD1B0000 000007FEFD1DFFFF 00030000
2013-11-28 11:30:37.22 Server * SAMCLI 000007FEFAF30000 000007FEFAF43FFF 00014000
2013-11-28 11:30:37.22 Server * BatchParser 0000000073500000 000000007352CFFF 0002d000
2013-11-28 11:30:37.22 Server * IMM32 000007FEFE610000 000007FEFE63DFFF 0002e000
2013-11-28 11:30:37.22 Server * MSCTF 000007FEFF7A0000 000007FEFF8A8FFF 00109000
2013-11-28 11:30:37.22 Server * psapi 0000000077890000 0000000077896FFF 00007000
2013-11-28 11:30:37.22 Server * instapi10 00000000734F0000 00000000734FCFFF 0000d000
2013-11-28 11:30:37.22 Server * cscapi 000007FEFADA0000 000007FEFADAEFFF 0000f000
2013-11-28 11:30:37.22 Server * sqlevn70 0000000073220000 0000000073420FFF 00201000
2013-11-28 11:30:37.22 Server * CRYPTSP 000007FEFD3C0000 000007FEFD3D6FFF 00017000
2013-11-28 11:30:37.22 Server * rsaenh 000007FEFD0C0000 000007FEFD106FFF 00047000
2013-11-28 11:30:37.22 Server * CRYPTBASE 000007FEFDA20000 000007FEFDA2EFFF 0000f000
2013-11-28 11:30:37.22 Server * BROWCLI 000007FEFABD0000 000007FEFABE1FFF 00012000
2013-11-28 11:30:37.22 Server * AUTHZ 000007FEFD590000 000007FEFD5BEFFF 0002f000
2013-11-28 11:30:37.22 Server * MSCOREE 000007FEFAB60000 000007FEFABCEFFF 0006f000
2013-11-28 11:30:37.22 Server * mscoreei 000007FEFAA50000 000007FEFAADFFFF 00090000
2013-11-28 11:30:37.22 Server * ole32 000007FEFE690000 000007FEFE892FFF 00203000
2013-11-28 11:30:37.22 Server * credssp 000007FEFCFC0000 000007FEFCFC9FFF 0000a000
2013-11-28 11:30:37.22 Server * msv1_0 000007FEFD2F0000 000007FEFD340FFF 00051000
2013-11-28 11:30:37.22 Server * cryptdll 000007FEFD6F0000 000007FEFD703FFF 00014000
2013-11-28 11:30:37.22 Server * kerberos 000007FEFD3E0000 000007FEFD493FFF 000b4000
2013-11-28 11:30:37.22 Server * MSASN1 000007FEFDBD0000 000007FEFDBDEFFF 0000f000
2013-11-28 11:30:37.22 Server * schannel 000007FEFD150000 000007FEFD1A5FFF 00056000
2013-11-28 11:30:37.22 Server * CRYPT32 000007FEFDD90000 000007FEFDEF9FFF 0016a000
2013-11-28 11:30:37.22 Server * security 0000000073080000 0000000073082FFF 00003000
2013-11-28 11:30:37.22 Server * WS2_32 000007FEFE640000 000007FEFE68CFFF 0004d000
2013-11-28 11:30:37.22 Server * SHELL32 000007FEFE940000 000007FEFF6C7FFF 00d88000
2013-11-28 11:30:37.22 Server * OLEAUT32 000007FEFDF10000 000007FEFDFE6FFF 000d7000
2013-11-28 11:30:37.22 Server * ftimport 0000000060000000 0000000060024FFF 00025000
2013-11-28 11:30:37.22 Server * MSFTE 0000000049980000 0000000049D2DFFF 003ae000
2013-11-28 11:30:37.22 Server * VERSION 000007FEFCC80000 000007FEFCC8BFFF 0000c000
2013-11-28 11:30:37.22 Server * dbghelp 0000000072E00000 0000000072F5DFFF 0015e000
2013-11-28 11:30:37.22 Server * WINTRUST 000007FEFDC90000 000007FEFDCC8FFF 00039000
2013-11-28 11:30:37.22 Server * ncrypt 000007FEFD540000 000007FEFD58CFFF 0004d000
2013-11-28 11:30:37.22 Server * bcrypt 000007FEFD510000 000007FEFD531FFF 00022000
2013-11-28 11:30:37.22 Server * mswsock 000007FEFD360000 000007FEFD3B4FFF 00055000
2013-11-28 11:30:37.22 Server * wship6 000007FEFD350000 000007FEFD356FFF 00007000
2013-11-28 11:30:37.22 Server * wshtcpip 000007FEFCD50000 000007FEFCD56FFF 00007000
2013-11-28 11:30:37.22 Server * ntmarta 000007FEFCC50000 000007FEFCC7CFFF 0002d000
2013-11-28 11:30:37.22 Server * WLDAP32 000007FEFE470000 000007FEFE4C1FFF 00052000
2013-11-28 11:30:37.22 Server * ntdsapi 000007FEFA740000 000007FEFA766FFF 00027000
2013-11-28 11:30:37.22 Server * bcryptprimitives 000007FEFD000000 000007FEFD04BFFF 0004c000
2013-11-28 11:30:37.22 Server * CLBCatQ 000007FEFE150000 000007FEFE1E8FFF 00099000
2013-11-28 11:30:37.22 Server * sqlncli10 00000000720C0000 000000007237BFFF 002bc000
2013-11-28 11:30:37.22 Server * COMCTL32 000007FEF4100000 000007FEF419FFFF 000a0000
2013-11-28 11:30:37.22 Server * COMDLG32 000007FEFE8A0000 000007FEFE936FFF 00097000
2013-11-28 11:30:37.22 Server * SQLNCLIR10 0000000072080000 00000000720B6FFF 00037000
2013-11-28 11:30:37.22 Server * netbios 000007FEF40F0000 000007FEF40F9FFF 0000a000
2013-11-28 11:30:37.22 Server * xplog70 0000000074D20000 0000000074D2FFFF 00010000
2013-11-28 11:30:37.22 Server * xplog70 0000000072070000 0000000072071FFF 00002000
2013-11-28 11:30:37.22 Server * SAMLIB 000007FEFB370000 000007FEFB38CFFF 0001d000
2013-11-28 11:30:37.22 Server * xpstar 0000000071FE0000 0000000072067FFF 00088000
2013-11-28 11:30:37.22 Server * SQLSCM 0000000072BB0000 0000000072BBDFFF 0000e000
2013-11-28 11:30:37.22 Server * ODBC32 000007FEF9E40000 000007FEF9EF0FFF 000b1000
2013-11-28 11:30:37.22 Server * ATL80 0000000074D70000 0000000074D8FFFF 00020000
2013-11-28 11:30:37.22 Server * odbcint 0000000071FA0000 0000000071FD7FFF 00038000
2013-11-28 11:30:37.22 Server * clusapi 000007FEF6FF0000 000007FEF703FFFF 00050000
2013-11-28 11:30:37.22 Server * resutils 000007FEF6FD0000 000007FEF6FE8FFF 00019000
2013-11-28 11:30:37.22 Server * xpstar 0000000071F70000 0000000071F94FFF 00025000
2013-11-28 11:30:37.22 Server * DNSAPI 000007FEFD1E0000 000007FEFD23AFFF 0005b000
2013-11-28 11:30:37.22 Server * rasadhlp 000007FEFB270000 000007FEFB277FFF 00008000
2013-11-28 11:30:37.22 Server * fwpuclnt 000007FEFBB60000 000007FEFBBB2FFF 00053000
2013-11-28 11:30:37.22 Server * perfdisk 000007FEF4500000 000007FEF450CFFF 0000d000
2013-11-28 11:30:37.22 Server * CFGMGR32 000007FEFDBE0000 000007FEFDC15FFF 00036000
2013-11-28 11:30:37.22 Server * perfos 000007FEF4D80000 000007FEF4D8AFFF 0000b000
2013-11-28 11:30:37.22 Server * dbghelp 0000000065460000 00000000655BDFFF 0015e000
2013-11-28 11:30:37.22 Server *
2013-11-28 11:30:37.22 Server * P1Home: 0044004C00510053:
2013-11-28 11:30:37.22 Server * P2Home: 0000000000467FB4: 0122002501210023 0024002900230027 0026002D0025002B 012800310127002F 002A003500290033 002C0039002B0037
2013-11-28 11:30:37.22 Server * P3Home: 0000000000475A80: 00000000198A25E0 0000000005A6C5F0 00000000198A2670 0000000005A6C950 00000000198F7860 00000000198F6700
2013-11-28 11:30:37.22 Server * P4Home: 0000000000000000:
2013-11-28 11:30:37.22 Server * P5Home: 0000000000740072:
2013-11-28 11:30:37.22 Server * P6Home: 000000000049BF58: 004D005C003A0064 004C005100530053 00530053004D005C 00300031004C0051 002E00300035005F 005100530053004D
2013-11-28 11:30:37.23 Server * ContextFlags: 000000000010004F: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
2013-11-28 11:30:37.23 Server * MxCsr: 0000000000001F80:
2013-11-28 11:30:37.23 Server * SegCs: 0000000000000033:
2013-11-28 11:30:37.23 Server * SegDs: 000000000000002B:
2013-11-28 11:30:37.23 Server * SegEs: 000000000000002B:
2013-11-28 11:30:37.24 Server * SegFs: 0000000000000053:
2013-11-28 11:30:37.24 Server * SegGs: 000000000000002B:
2013-11-28 11:30:37.24 Server * SegSs: 000000000000002B:
2013-11-28 11:30:37.24 Server * EFlags: 0000000000000202:
2013-11-28 11:30:37.24 Server * Rax: 0000000070A54D29:
2013-11-28 11:30:37.24 Server * Rcx: 000000000725BB40: 0044004C00510053 0000000000467FB4 0000000000475A80 0000000000000000 0000000000740072 000000000049BF58
2013-11-28 11:30:37.24 Server * Rdx: 0000000000000000:
2013-11-28 11:30:37.24 Server * Rbx: 0000000000000000:
2013-11-28 11:30:37.24 Server * Rsp: 000000000725C150: 0000000000000000 0000000000000000 000000000725C380 000007FFFFFA8000 00000000000042AC 0000000000000000
2013-11-28 11:30:37.24 Server * Rbp: 000000000399887C: 0000000719930522 0000000202D888A4 0000000F02D88954 0000016002D888DC 0000000000000000 00000000FFFFFFFF
2013-11-28 11:30:37.24 Server * Rsi: 0000000000000000:
2013-11-28 11:30:37.24 Server * Rdi: 000000000725C380: 000000000049BF50 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
2013-11-28 11:30:37.24 Server * R8: 0000000000000000:
2013-11-28 11:30:37.24 Server * R9: 0000000000000000:
2013-11-28 11:30:37.24 Server * R10: 0000000000000000:
2013-11-28 11:30:37.24 Server * R11: 000000000725C960: 0044004C00510053 0000000000467FB4 0000000000475A80 0000000000000000 0000000000740072 000000000049BF58
2013-11-28 11:30:37.24 Server * R12: 0000000000000001:
2013-11-28 11:30:37.24 Server * R13: 0000000000000000:
2013-11-28 11:30:37.24 Server * R14: 00000000030FDF00: 0074005F00780065 0069006D00720065 006F00740061006E 0020002D00200072 007400730061004C 0061006800630020
2013-11-28 11:30:37.24 Server * R15: 000000000000002F:
2013-11-28 11:30:37.24 Server * Rip: 000007FEFDC2BCCD: C3000000C8C48148 9090909090909090 18245C8948909090 4156415541544155 45ED3320EC834857 F08B4DE98B4DE432
2013-11-28 11:30:37.24 Server * *******************************************************************************
2013-11-28 11:30:37.24 Server * -------------------------------------------------------------------------------
2013-11-28 11:30:37.24 Server * Short Stack Dump
2013-11-28 11:30:37.50 Server 000007FEFDC2BCCD Module(KERNELBASE+000000000000BCCD)
2013-11-28 11:30:37.50 Server 0000000002CB981D Module(sqlservr+00000000020A981D)
2013-11-28 11:30:37.50 Server 0000000002CBDD3A Module(sqlservr+00000000020ADD3A)
2013-11-28 11:30:37.50 Server 0000000002CBD89D Module(sqlservr+00000000020AD89D)
2013-11-28 11:30:37.50 Server 00000000030FDDC2 Module(sqlservr+00000000024EDDC2)
2013-11-28 11:30:37.53 Server 00000000030FD5AB Module(sqlservr+00000000024ED5AB)
2013-11-28 11:30:37.53 Server 0000000074EDACF0 Module(MSVCR80+000000000003ACF0)
2013-11-28 11:30:37.53 Server 0000000074ED9E0B Module(MSVCR80+0000000000039E0B)
2013-11-28 11:30:37.53 Server 0000000074EDA62B Module(MSVCR80+000000000003A62B)
2013-11-28 11:30:37.53 Server 0000000074EDA86B Module(MSVCR80+000000000003A86B)
2013-11-28 11:30:37.55 Server 0000000074EDABE7 Module(MSVCR80+000000000003ABE7)
2013-11-28 11:30:37.55 Server 00000000776F9D0D Module(ntdll+0000000000029D0D)
2013-11-28 11:30:37.55 Server 00000000776E91AF Module(ntdll+00000000000191AF)
2013-11-28 11:30:37.55 Server 0000000077721278 Module(ntdll+0000000000051278)
2013-11-28 11:30:37.55 Server 0000000000C16F5A Module(sqlservr+0000000000006F5A)
2013-11-28 11:30:37.55 Server 0000000000C16FB9 Module(sqlservr+0000000000006FB9)
2013-11-28 11:30:37.55 Server 0000000000C172D7 Module(sqlservr+00000000000072D7)
2013-11-28 11:30:37.55 Server 000000000104A5C8 Module(sqlservr+000000000043A5C8)
2013-11-28 11:30:37.55 Server 00000000013AB3CE Module(sqlservr+000000000079B3CE)
2013-11-28 11:30:37.55 Server 000000000107D83D Module(sqlservr+000000000046D83D)
2013-11-28 11:30:37.55 Server 000000000107DC99 Module(sqlservr+000000000046DC99)
2013-11-28 11:30:37.55 Server 000000000104AD10 Module(sqlservr+000000000043AD10)
2013-11-28 11:30:37.55 Server 000000000104ABB1 Module(sqlservr+000000000043ABB1)
2013-11-28 11:30:37.55 Server 00000000013A6BDA Module(sqlservr+0000000000796BDA)
2013-11-28 11:30:37.56 Server 0000000000C5DC11 Module(sqlservr+000000000004DC11)
2013-11-28 11:30:37.56 Server 0000000000C1BBD8 Module(sqlservr+000000000000BBD8)
2013-11-28 11:30:37.56 Server 0000000000C1B8BA Module(sqlservr+000000000000B8BA)
2013-11-28 11:30:37.56 Server 0000000000C1B6FF Module(sqlservr+000000000000B6FF)
2013-11-28 11:30:37.56 Server 0000000001138FB6 Module(sqlservr+0000000000528FB6)
2013-11-28 11:30:37.56 Server 0000000001139175 Module(sqlservr+0000000000529175)
2013-11-28 11:30:37.56 Server 0000000001139839 Module(sqlservr+0000000000529839)
2013-11-28 11:30:37.56 Server 0000000001139502 Module(sqlservr+0000000000529502)
2013-11-28 11:30:37.56 Server 0000000074EA37D7 Module(MSVCR80+00000000000037D7)
2013-11-28 11:30:37.57 Server 0000000074EA3894 Module(MSVCR80+0000000000003894)
2013-11-28 11:30:37.57 Server 00000000775C652D Module(kernel32+000000000001652D)
2013-11-28 11:30:37.57 Server 00000000776FC521 Module(ntdll+000000000002C521)
2013-11-28 11:30:37.59 Server Stack Signature for the dump is 0x0000000101041A55
Han you help me to investigate please ?
Thanks !
R.