Worse than you imagine, a time-out.

Regards, 
Richard Schuh 


-----Original Message-----
From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
Behalf Of Alan Altmark
Sent: Friday, July 20, 2007 1:01 PM
To: [email protected]
Subject: Re: IUCV Interruptions

On Friday, 07/20/2007 at 03:43 EDT, "Schuh, Richard" <[EMAIL PROTECTED]> 
wrote:
> Next question/problem. The folks working on z/TPF say that they have
> ported the code to perform IUCV from TPF 4.1 to z/TPF and have made
the
> changes for mask bits and address requirements and do not get any IUCV
> interrupts on the TPF machine. The other side is a CMS machine that
acts
> as a driver. It has not been altered in any way. I have asked the
> obvious question about the IUCV DECLARE BUFFER and got a reply that
was
> an indignant "yes". And they have also unmasked by turning CR0, bit 62
> on and unmasked the PSW. Do you have any idea why they would not
receive
> the IUCV interrupts?

What did the CMS machine get on its IUCV CONNECT?  If they hadn't done a

Declare Buffer, you would have gotten CC=1 and IPCODE = 0x0c.  If no 
errors, then a #CP TRACE EXT 4000 RUN and #CP TRACE IUCV RUN on the TPF 
machine is appropriate.

If you got CC=0, do you get any other IUCV interrupts on the CMS side? 
(Use the same traces.)

Alan Altmark
z/VM Development
IBM Endicott

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