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HP Services Software Patches - axpdebu01_015_debug
 
Copyright (c) Digital Equipment Corporation 1994. All rights reserved.

OP/SYS:      OpenVMS AXP

COMPONENTS:  DEBUG

SOURCE:      Digital Equipment Corporation

ECO INFORMATION:

     ECO Kit Name:  AXPDEBU01_015
     ECO Kits Superseded by This ECO Kit:  None
     ECO Kit Approximate Size:  5620 blocks
     Kit Applies To:  OpenVMS AXP V1.5 - V1.5-1H1
     System Reboot Necessary:  No


ECO KIT SUMMARY:

An ECO kit exists for DEBUG on OpenVMS AXP V1.5 - V1.5-1H1.  This kit
addresses the following problems: 
 
Problems addressed in the AXPDEBU01_015 kit:

  o  With FORTRAN, the debugger generates an ACCVIO on the 
     DBG> SET IMAGE ...  command.

     This problem is fixed in OpenVMS AXP V6.1.

  o  The OpenVMS AXP V1.5 debugger would hang when attempting to step
     over PAL_IMB calls or MACRO-64 IMB instructions.  

     NOTE: To identify a OpenVMS AXP V1.5 debugger hang as a step/over
           IMB problem when debugging a higher level language, it is
           necessary to look at the instruction view and check for the
           presence of an IMB instruction. 

     This problem is fixed in OpenVMS AXP V6.1.

  o  Because of a memory leak in conditional expression evaluation,
     the OpenVMS AXP V1.5 debugger would sometimes enter an infinite
     error loop of "%DEBUG-E-NOFREE, no free storage available" errors. 

     This leak is only a problem when the user RARELY gains control.
     That is, if the program/debugger runs for some extended time
     often stopping to check the conditional but rarely giving
     control over to the user.  For example, SET BREAK %LINE 9 WHEN
     (X  ==  100000) would be evaluated 99999 times before the
     breakpoint takes and the user gains control. 

     This problem is fixed in OpenVMS AXP V6.1.

  o  ANALYZE/PROCESS_DUMP or ^Y-DEBUG debugger startups would ACCVIO
     and hang.
 
     This problem is fixed in OpenVMS AXP V6.1.


INSTALLATION NOTES:

The system does not need to be rebooted after this kit is installed.
However, if you have other nodes in your VMScluster, they should be
rebooted or you should install this kit on each system in order to make
use of the new image(s). 
Files on this server are as follows:
»axpdebu01_015_debug.README
»axpdebu01_015.CHKSUM
»axpdebu01_015.a-dcx_axpexe
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