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08-20-2012 05:40 PM
08-20-2012 05:40 PM
Hi,
One of server has crashed with XQPERR. I have analysed the clue$errlog.sys and got the below entry. Server model is Alpha server ES47 and openvms 7.3-2 is running. Can somebody help me to understand what was wrong and the reason for crash please.
Logging OS 1. OpenVMS
System Architecture 2. Alpha
OS version V7.3-2
Event sequence number 22165.
Timestamp of occurrence 21-AUG-2012 01:05:00
Time since reboot 149 Day(s) 3:57:18
Host name RMSUA1
System Model hp AlphaServer ES47 7/1150
Entry Type 37. Crash Re-Start
Bugcheck Minor class 1. Crash Re-start
Bugcheck Msg XQPERR, Error detected by file system XQP
Process ID x008401AE
Process Name AUTOMATION
KSP x000000007AF81028
ESP x000000007FF8C000
SSP x000000007FFAC000
USP x000000007AF6AD30
R0 x0000000000000001
R1 xFFFFFFFF86418030
R2 xFFFFFFFF81A80700
R3 xFFFFFFFF86FB4A00
R4 xFFFFFFFF81A80700
R5 xFFFFFFFF8641D840
R6 xFFFFFFFF81A80700
R7 xFFFFFFFF86FB4A00
R8 x000000007AF8160C
R9 x000000007AF81C8C
R10 x000000007AF8160C
R11 x000000007AF81584
R12 x000000007AF81580
R13 xFFFFFFFF86422650
R14 xFFFFFFFF81A80700
R15 x000000007AF81B84
R16 x00000000000005B4
R17 x0000000000000000
R18 x00000000000005F0
R19 x00000000000005B0
R20 xFFFFFFFF8020BD48
R21 x0000000000000002
R22 x0000000000000000
R23 x0000000100000000
R24 x0000000000000000
R25 x000000000000012F
R26 xFFFFFFFF8020BD48
R27 xFFFFFFFF86308000
R28 xFFFFFFFF8020BD48
FP x000000007AF81028
SP x000000007AF81028
PC xFFFFFFFF8020BD84
PS x2800000000000800
PTBR x0000000000026FDD
Process Ctl Block Base Re x000000046A136080
PRBR xFFFFFFFF81642600
VPTB xFFFFFEFA00000000
System Ctl Block Base Reg x0000000000000943
Software Interrupt Summar x0000000000000000
ASN x00000000000000E5
ASTSR ASTEN x000000000000000F
FEN x0000000000000001
IPL x0000000000000008
MCES x0000000000000000
Solved! Go to Solution.
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08-20-2012 10:17 PM
08-20-2012 10:17 PM
Re: XQPERR, Error detected by file system XQP
The first questions are going to revolve around the level of your patching pretty much who you ask. If you're not moderately current then the potential that you're exposed to an XQP crasher is greater. V7.3-2 has a LOT of patches (I lost count when I my job included tracking them). If you're not using one of the more recent UPDATE patches that would be where I'd start. There have even been some recent additions that would go "on top" of the latest UPDATE that, while they're probably not absolutely required for XQP, certainly won't hurt if you're going to attempt to become more current.
If, however, you've got current patches then I'd drop any XQP crash like yours on HP in a New York second (but my bet is that you're in need of current patching).
bob
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08-20-2012 11:06 PM
08-20-2012 11:06 PM
Re: XQPERR, Error detected by file system XQP
Hi Bob,
Thanks for your reply.
Last patch installed was
------------------------------------ ----------- ----------- --- ---------------------------------------------------------
PRODUCT KIT TYPE OPERATION VAL DATE
------------------------------------ ----------- ----------- --- ---------------------------------------------------------
DEC AXPVMS VMS732_MONTOR V1.0 Patch Install 18-MAR-2008
DEC AXPVMS VMS732_UPDATE V15.0 Patch Install 18-MAR-2008
DEC AXPVMS VMS732_PCSI V4.0 Patch Install 18-MAR-2008
DEC AXPVMS VMS732_VERIFY V2.0 Patch Install 27-DEC-2007
DEC AXPVMS VMS732_UPDATE V14.0 Patch Install 27-DEC-2007
DEC AXPVMS VMS732_SHADOWING V6.0 Patch Install 27-NOV-2007
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08-20-2012 11:09 PM - edited 08-20-2012 11:12 PM
08-20-2012 11:09 PM - edited 08-20-2012 11:12 PM
Re: XQPERR, Error detected by file system XQP
Mrityunjoy,
this looks like the following XQP bugcheck in [F11X]INIFC2 routine UPDATE_FILESIZE
BUG_CHECK (XQPERR, FATAL, Unexpected filesize for INDEXF.SYS);
R2 should point to the FCB of INDEXF.SYS, @44(R2) should be FCB$_FILESIZE: verify with SDA> EXA @44(R2)
The new value for filesize is in R18 = 000005F0, which is VERY UNLIKELY to be a correct value for the file size of INDEXF.SYS ! If the new FILESIZE to be set is less than the FCB$L_FILESIZE, this crash is taken.
The most probably 'suspect' for a crash like this would be (third-party) disk management/cache/defragmentation tools running on ANY node in the cluster.
Your patches are not really 'up-to-date', but the symptoms point in another direction. Have you checked ($ TYPE CLUE$HISTORY), whether you've this specific bugcheck before on any node in the cluster ?
Volker.
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08-21-2012 01:13 AM
08-21-2012 01:13 AM
Re: XQPERR, Error detected by file system XQP
Hi Volker,
Thanks for your reply.
I could not see any similar bugcheck happened earlier on any other nodes of the cluster from clue$history. In this case what do you suggest? How shall I proceed my investigation to get the root cause?
Mrityunjoy.
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08-21-2012 01:31 AM - edited 08-21-2012 02:17 AM
08-21-2012 01:31 AM - edited 08-21-2012 02:17 AM
Re: XQPERR, Error detected by file system XQP
Mrityunjoy,
please first verify my analysis with SDA:
$ ANALYZE/CRASH system-dump-file-name
SDA> READ SYSDEF
SDA> EXA @44(R2) ! the value shown should be GREATER than 5F0
SDA> FORMAT @R2 ! format the FCB of INDEXF.SYS, look for FCB$W_FID and FCB$W_FID_SEQ
The File-ID and File Sequence Number should be 1,1 for INDEXF.SYS
SDA> FORMAT @(R2+FCB$L_WLFL) ! this should format the Windows Control Block (WCB)
The field WCB$L_ORGUCB should point to the disk device UCB
SDA> SHOW DEV/ADDR=<value of WCB$L_ORGUCB> should tell you the disk involved in this crash
Do you run any 3rd party (i.e. non-HP) tools on any node in the cluster, which could possibly manipulate the size of INDEXF.SYS (defragmenter, disk caching tools) ? If NOT and you're only running HP software, you might need to consider to install the most recent OpenVMS patches.
Volker.
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08-21-2012 04:45 AM
08-21-2012 04:45 AM
Re: XQPERR, Error detected by file system XQP
It sure sounds like the problem Jim Duff reported recently at http://www.eight-cubed.com/blog/archives/001249.html#001249. Apparently it's yet another bug caused by the symlink changes in v8.4.
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08-21-2012 04:47 AM
08-21-2012 04:47 AM
Re: XQPERR, Error detected by file system XQP
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08-21-2012 04:55 AM - edited 08-21-2012 04:58 AM
08-21-2012 04:55 AM - edited 08-21-2012 04:58 AM
SolutionCraig,
on OpenVMS Alpha and I64, it's VERY EASY to compare crash footprints: just look at the first paragraph of the CLUE file (in CLUE$COLLECT:CLUE$node_ddmmyy_hhm.LIS) of the crash:
The XQPERR crash reported here is:
Bugcheck Type: XQPERR, Error detected by file system XQP
VMS Version: V7.3-2
Current Process: AUTOMATION
Current Image: DSA4:[LCH$COMMON.IAM.PRODUCT.ALPHA_V7]RULE_ENGINE.EXE;1
Failing PC: FFFFFFFF.8020BD80 UPDATE_FILESIZE_C+00080
It's a different module/routine name than in the V8.4 XQPERR seen by Jim. And OpenVMS Alpha and I64 are built from the SAME sources, so the routine names are identical. EVERY crash detected in and reported by the Files-11 XQP is called: 'XQPERR, Error detected by file system XQP' - and there are hundreds of them...
Volker.