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тАО05-10-2009 11:07 PM
тАО05-10-2009 11:07 PM
System rebooting itself
тАЬSTARTING MEMORY DUMPтАЭ .
Then after a while we get a new message : тАЬMEMORY DUMP INCOMPLETE . DUMP FILE 55935 BLOCK TOO SMALL тАЬ
Then the system automatically starts rebooting itself and the whole procedure is repeated. After a lot of repetitions we get the following message :
тАЬ? 04 ISP ERRтАЭ
тАЬPC = 802D6004тАЭ
And then the system comes back to the prompt (>>>).
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тАО05-10-2009 11:25 PM
тАО05-10-2009 11:25 PM
Re: System rebooting itself
welcome to the OpenVMS ITRC forum.
Your system is crashing. You need to try to determine the reason for that crash. When did this start happening ? What happened before ?
? 04 ISP Error indicates, that the Interrupt Stack Pointer is invalid, the console then HALTS the system.
You might want to provide the bugcheck messages, i.e. the console output preceeding the 'MEMORY DUMP INCOMPLETE' message.
Consider to connect a PC/Laptop with a terminal emulator (e.g. Putty) to the console serial port and log the output into a file. Then post the contents of the file in an attached .TXT file in you next reply.
To obtain even more information about the dump, consider a conversational boot setting the bit 1 in the DUMPSTYLE system parameter (only do this, if you can collect the output via above method):
>>> B/n0000001 ! n=system root
SYSBOOT> SHOW DUMPSTYLE
Consider setting bit 1 and setting bit 0 (selective dump), e.g. if DUMPSTYLE=0 -> SET DUMPSTYLE 3
SYSBOOT> C
Volker.
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тАО05-11-2009 09:03 AM
тАО05-11-2009 09:03 AM
Re: System rebooting itself
What is happening is that somewhere in the process that starts with the console scanning memory to find a place for the rudimentary system loader and before the point that SYSINIT takes over, you are taking an exception in your hardware (most probably). The SYSLOA and SYSBOOT phases aren't "smart" enough to handle hardware failures because not enough data structures have been defined yet. Not enough facilities are available yet. So all these parts can do is crash and hope to restart.
You need to test your system in a controlled manner, which is to say, don't run the O/S until you know the hardware works. If you have a system exerciser or memory exerciser, you need to run that for at least a few hours. If the problem persists, it will be time to call in your service rep. Maybe it is time to do so already.
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тАО05-18-2009 01:20 AM
тАО05-18-2009 01:20 AM
Re: System rebooting itself
During the booting process the normal test cases failed (test cases no. 58,59 & 60). And then a message is prompted that normal operation is not possible and we get the following prompt : >>>.
How can we resolve the issue.? Kindly help.
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тАО05-18-2009 03:36 AM
тАО05-18-2009 03:36 AM
Re: System rebooting itself
Does the system crash happen, if you type >>> B after the POST failures ?
Could you please capture the bugcheck messages, so we can see what type of bugcheck this is MACHINECHK maybe ?
Volker.
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тАО05-18-2009 04:38 AM
тАО05-18-2009 04:38 AM
Re: System rebooting itself
>>>Boot DKA0:
Then the system again starts the dump file and the whole procedure is repeated.
our VAX System is VAX 3100-85.
Kindly let me know so as to how to capture the bugcheck messages. I am unaware of this.
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тАО05-18-2009 04:45 AM
тАО05-18-2009 04:45 AM
Re: System rebooting itself
*** Fatal BUG CHECK, version = x.x,
You could also connect a PC/Laptop with a serial line to the console port of the MicroVAX and use a terminal emulator (e.g. Putty) to capture the output. Then you could post the power-up messages and the bugcheck output as an attached .TXT file in your next reply.
Volker.
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тАО05-18-2009 04:52 AM
тАО05-18-2009 04:52 AM
Re: System rebooting itself
http://deathrow.vistech.net/~cvisors/DEC94MDS/a0719tmb.pdf
Hope this helps,
Volker.