On Friday, 07/23/2010 at 10:29 EDT, dave <[email protected]> wrote:

> I have a CMS module, coded in assembler, that, when run,
> causes a NTF001 soft abend when run from one virtual
> machine, but when run from another virtual machine it runs
> normally.
> 
> Both virtual machines are set to XA, both have the same
> amount of virtual storage defined, both have the same set of
> options set, and NUCXMAP shows the same nucleus contents in
> both. What have I overlooked?

It doesn't have anything to do with CMS, per se.  Would it help to know 
that HCPNTF is involved in locating and reading a DCSS or NSS?  That would 
seem to lead me to the conclusion that something is changing a spool file 
or queue without proper serialization.

Alan Altmark
z/VM Development
IBM Endicott

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