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тАО02-10-2005 12:38 AM
тАО02-10-2005 12:38 AM
Re: System Crash of DS 25 after CPU Upgrade
I made already an update VMS732_UPDATE-V0300.
Please have a look to the Clue-File attached to answer from 11:39.
Regards
Christoph
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тАО02-10-2005 12:45 AM
тАО02-10-2005 12:45 AM
Re: System Crash of DS 25 after CPU Upgrade
Have all of your crashes so far been revolving around the PC : TCPIP ? If so, i would suggest that you first rule that out by hopping on to the latest or seek help from the vendor on your situation. I understand that in this case the vendor is HP :)
regards
Mobeen
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тАО02-10-2005 01:01 AM
тАО02-10-2005 01:01 AM
SolutionPurely Personal Opinion
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тАО02-10-2005 01:54 AM
тАО02-10-2005 01:54 AM
Re: System Crash of DS 25 after CPU Upgrade
Christoph
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тАО02-10-2005 03:12 AM
тАО02-10-2005 03:12 AM
Re: System Crash of DS 25 after CPU Upgrade
Crash Time: 10-FEB-2005 00:51:27.29
Bugcheck Type: INVEXCEPTN,
CPU Type: AlphaServer DS25
VMS Version: V7.3-2
Crash/Primary CPU: 01/00 <<< crash on CPU #1
Signal Array:
Arg Count = 00000005
Condition = 0000000C <<< access violation
Argument #2 = 00000000
Argument #3 = 00000020 <<< failed Virtual address
Argument #4 = 8062BFE4 <<< Error PC.
Argument #5 = 00000800
Failing Instruction:
TCPIP$INTERNET_SERVICES+97FE4: SUBL R7,R17,R7
This instruction does not involve ANY memory access at all. It is NOT POSSIBLE for an ACCESS VIOLATION to occur if this code is executed correctly.
(Other types of exceptions, maybe, but not an ACCVIO!)
Current Registers: PCB: 8164E480 (CPU 1)
R7 = 00000000.00000028
R17 = 00000000.00000014
Nothing exceptional in the registers. no reason for an exception.
Cpu#1 did not correctly execute the code present in its Istream.
Looks like hardware to me.
System Information:
System Type AlphaServer DS25
Cycle Time 1.0 nsec (1000 MHz)
CPU ID 01
CPU Type EV68CB Pass 2.4 (21264C)
PAL Code 1.98-42
CPU Revision ....
Serial Number JA40701068
Console Vers V6.9-2
Based on this crash I would place CPU#1 under suspicion.
However, while unlikely please bear in mind that the problem just could be on the main system board in the slot support logic.
Try swapping over the CPU's. If the crashes then occur on CPU#0 you have a diagnosis.
Alternatively, show us some more clue files.
As always, if you cannot get HP to investigate the crashes and are willing to pay a moderate sum, send them to me.
John Travell, john@jomatech.com, http://www.jomatech.com
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тАО02-10-2005 04:38 AM
тАО02-10-2005 04:38 AM
Re: System Crash of DS 25 after CPU Upgrade
Before you try any wild guesses about patches etc., just have a look at the crash information in the CLUE file.
If it's an exception-related crash and the failing instruction, the register contents and the data in the signal array do NOT MATCH, it must be hardware or firmware.
As John pointed out, a SUBL instruction only referencing registers CANNOT generate any access violation.
Look at the crash information in the other CLUE files from the other crashes with the same focus. Does the failing instruction make sense, given the register contents etc. ? If not, which CPU was the crashing one ?
Volker.
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тАО02-10-2005 06:52 PM
тАО02-10-2005 06:52 PM
Re: System Crash of DS 25 after CPU Upgrade
some of the crashes show the module TCPIP, but not all. Please have a look to the attached CLUE$HISTORY.
Ian,
the system parameter MULTITHREAD was set to 2. According your recommendation I changed it to 1. Does this has an influence to our application? Fortran linker flags = /THREADS_ENABLE=(MULTIPLE_KERNEL_THREADS,UPCALLS)/noinfo.
John,
Volker,
the crashes happend mostly on CPU 01, but sometimes on CPU 00. Following your proposal I will exchange them today. The complete history in attached file. If you need certain CLUE-files please let me know.
To all,
HP recommends to install following patches:
VMS732_BACKUP-V0300
VMS732_CPU270F-V0100
VMS732_MQ-V0100
VMS732_PTHREAD-V0200
VMS732_TRACE-V0200
What are your opinions?
Regards
Christoph
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тАО02-10-2005 07:49 PM
тАО02-10-2005 07:49 PM
Re: System Crash of DS 25 after CPU Upgrade
I have a tool to collect and evaluate CLUE files. If you don't mind, you can mail me all your CLUE$COLLECT:CLUE*.LIS files from this server (just put them in a ZIP archive).
You can find my mail address, if you carefully look at my forum profile ;-)
Volker.
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тАО02-10-2005 10:58 PM
тАО02-10-2005 10:58 PM
Re: System Crash of DS 25 after CPU Upgrade
Most of the crashes are CPU1 - I would go with John's plan of swapping the CPU modules around or even just replace it.
Purely Personal Opinion
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тАО02-10-2005 11:45 PM
тАО02-10-2005 11:45 PM
Re: System Crash of DS 25 after CPU Upgrade
MULTITHREAD has been changed to 1, CPU boards just swapped. I will keep you informed about any news. Replacement of CPU is quite difficult. Spares are here in Thailand not available. I have to get them from overseas.
May I have your opinion whether it makes sense to make a new (fresh) installation of VMS on a spare disk?
Thanks
Christoph