Found APAR OA62381 for this problem. PTFs are not yet available.

Mark Jacobs

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------- Original Message -------

On Monday, February 21st, 2022 at 1:22 PM, Ed Jaffe 
<[email protected]> wrote:

> On 10/27/2021 8:47 AM, Mark Jacobs wrote:
>
> > We migrated one of our systems to z/OS 2.5 last weekend and immediately 
> > started getting a hard loop during job conversion/interpretation either in 
> > the JES2CIxx or INIT address space depending on your JOBDEF INTERPRET= 
> > setting.
> >
> > The loop could occur with any batch job,but not every batch job. IBM has 
> > found the loop in module IEFNB903 and are looking at it. The looping 
> > condition only occurs if DSENQSHR is enabled for the job. In our case the 
> > JOBCLASS definitions had DSENQSHR=AUTO. Once we changed it to 
> > DSENQSHR=DISALLOW the problem no longer occurred.
>
> We are now seeing this in our z/OS 2.5 JES2 environments. The loop is in
>
> IEFNB903.
>
> Your IBM-MAIN posting was from way back in October. I assumed this would
>
> have been fixed by now.
>
> Did IBM take an APAR?
>
> --
>
> Phoenix Software International
>
> Edward E. Jaffe
>
> 831 Parkview Drive North
>
> El Segundo, CA 90245
>
> https://www.phoenixsoftware.com/
>
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