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Status Not under consideration
Workspace z/TPF Product Family
Categories z/TPF
Created by Guest
Created on Apr 9, 2014

RELATED IDEAS

Detect attempts to extend size of Application Stack storage beyond ESPS limit

Attempts to extend Application Stack storage beyond the ESPS limit are not currently detected or handled directly; the stack pointer is set to what should be the new address, but the storage is not mapped.

Processing in this scenario inevitably triggers an OPR-4, but shouldn't be allowed to even try to get that far.

We are requesting a change to processing of Application Stack extension processing that directly checks any attempt to extend the size of Application Stack storage for an ECB in excess of the ESPS limit.

The approach mentioned in PMR 85209 (49R 000) is suggested, though the dump issued does not need not to specifically be 06400B:

what if we (...) interrogate the current stack register and compare it to the maximum, and change the dump code to a CTL-06400B at that time?

Idea priority Medium
  • Guest
    Reply
    |     Oct 14, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - z Systems Software
    Product - z/TPF

    For recording keeping, the previous attributes were:
    Brand - WebSphere
    Product family - Transaction Processing
    Product - z/TPF

  • Guest
    Reply
    |     May 14, 2014

    Due to resources and prioritization, IBM does not intend to do this in the foreseeable future.

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