On 23.05.2013 09:44, Robin Atwood wrote:
Thanks for clarifying. Could you select / re-select the Address space (other TCB?)
to be used in >your dump analysis?
Yes, I set a symbol to the desired TCB address and then the analysis proceeds
correctly.
Could you get any info from Logrec?
It's a client's system, so I look at what I am given. Anyway, I found the bad
branch from the BEAR, a routine address in an internal control block had been
stomped on. By what and when remains a mystery.
In this case maybe the SLIP SA trap would help
-Robin
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of Elardus Engelbrecht
Sent: 23 May 2013 14:29
To: [email protected]
Subject: Re: Mysterious Abend 0C1
Robin Atwood wrote:
OK, this is what happened. The "dump analyser" is a trusty clist written for IPCS by
me over 20 years ago. It (almost always) works by using the chain: ASXB -> abending TCB
-> RTWA, from where it gets the PSW and registers. In this case it got caught out because
there was a preceding TCB with a completion code of 0C1 but only a PRB, no RTWA and hence the
mayhem.
Thanks for clarifying. Could you select / re-select the Address space (other
TCB?) to be used in your dump analysis?
So, sorry for the noise but this exchange has proved very useful because I now know
about the BEAR. Unfortunately it is not listed by either the IPCS STATUS or SUMMARY
commands, which would have been very useful since there is a chain of control blocks
to follow (SDWAXPAD->SDWAPTRS, SDWAXEME->SDWARC4).
SDWARC4. Hmmm, I now rememeber. EREP does show the Breaking-Event-Address
Register.
Could you get any info from Logrec?
Groete / Greetings
Elardus Engelbrecht
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