*******************************************************************************
* *
* This is an update to an existing patch... *
* *
* Online links can be found at *
* http://ftp.support.compaq.com/patches/public/vms/axp/v7.2-1h1/dec-axpvms-vms721h1_pppd-v0100--4.README
*******************************************************************************

TITLE: OpenVMS VMS721H1_PPPD-V0100 PPPDriver ALPHA 7.2-1H1 ECO Summary
 
New Kit Date : 27-APR-2001
Modification Date: Not Applicable
Modification Type: New Kit

NOTE: An OpenVMS saveset or PCSI installation file is stored
       on the Internet in a self-expanding compressed file.
 
       For OpenVMS savesets, the name of the compressed saveset
       file will be kit_name.a-dcx_vaxexe for OpenVMS VAX or
       kit_name.a-dcx_axpexe for OpenVMS Alpha. Once the OpenVMS
       saveset is copied to your system, expand the compressed
       saveset by typing RUN kitname.dcx_vaxexe or kitname.dcx_alpexe.
 
       For PCSI files, once the PCSI file is copied to your system,
       rename the PCSI file to kitname-dcx_axpexe.pcsi, then it can
       be expanded by typing RUN kitname-dcx_axpexe.pcsi. The resultant
       file will be the PCSI installation file which can be used to install
       the ECO.
 
Copyright (c) Compaq Computer Corporation 2001. All rights reserved.

OP/SYS: OpenVMS Alpha

COMPONENT: PPPDriver

SOURCE: Compaq Computer Corporation

ECO INFORMATION:

     ECO Kit Name: VMS721H1_PPPD-V0100
                    DEC-AXPVMS-VMS721H1_PPPD-V0100--4.PCSI
     ECO Kits Superseded by This ECO Kit: None
     ECO Kit Approximate Size: 272 Blocks
     Kit Applies To: OpenVMS Alpha 7.2-1H1
     System/Cluster Reboot Necessary: Yes
     Rolling Re-boot Supported: Yes
     Installation Rating: INSTALL_1
                            1 - To be installed by all customers.

     Kit Dependencies:

       The following remedial kit(s) must be installed BEFORE
       installation of this kit:

         VMS721H1_UPDATE-V0400
         
       In order to receive all the corrections listed in this
       kit, the following remedial kits should also be installed:

         None

ECO KIT SUMMARY:

An ECO kit exists for PPPDriver on Alpha V7.2-1H1. This kit addresses the following
problems:

  o The ASNDRIVER looses an IRP (I/O request packet) for read and
     a TWP (terminal write packet) for writes. The cleanup code
     would fail while looking for the missing IRP and TWP and cause
     the following ACCVIO:

     INVEXCEPTN, Exception while above ASTDEL

     Crashdump Summary Information:
     ------------------------------
     Bugcheck Type: INVEXCEPTN, Exception while above ASTDEL
     Current Process: OROT-IGSI
     Current Image: DKA0:[WRT.][OROT.EXE]IGSI_A-0195_00.EXE
     Failing PC: FFFFFFFF.80318CEC SYS$ASNDRIVER_NPRO+00CEC
     Failing PS: 10000000.00000803
     Module: SYS$ASNDRIVER
     Offset: 00000CEC

        Images Affected: [SYS$LDR]SYS$ASNDRIVER.EXE

  o An INVEXCEPTN crash occurs when attempting to establish a PPP
     connection after a TCP/IP restart.

        Images Affected: [SYS$LDR]SYS$PPPDRIVER.EXE

  o A port hangs when a timing error causes the port state to
     change before all pending I/Os have completed.

       Images Affected: [SYS$LDR]SYS$PPPDRIVER.EXE

  o A PPP disconnection of a remote client, such as MS Outlook,
     could cause an INVEXCEPTN crash.

     Crashdump Summary Information:
     ------------------------------
     Bugcheck Type: INVEXCEPTN, Exception while above ASTDEL
     Current Process: NULL
     Current Image: <not available>
     Failing PC: FFFFFFFF.835076B8 SYS$PPPDRIVER+0F6B8
     Failing PS: 00000000.00000804
     Module: SYS$PPPDRIVER
     Offset: 0000F6B8

       Images Affected: [SYS$LDR]SYS$PPPDRIVER.EXE

INSTALLATION NOTES:

The images in this kit will not take effect until the system is
rebooted. If there are other nodes in the VMScluster, they must
also be rebooted in order to make use of the new image(s).

If it is not possible or convenient to reboot the entire cluster at
this time, a rolling re-boot may be performed.

All trademarks are the property of their respective owners.

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