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OpenVMS VAXSYSL20_U2055 VAX V5.5-2 SYSLOA/SET TIME ECO Summary
    TITLE: OpenVMS VAXSYSL20_U2055 VAX V5.5-2 SYSLOA/SET TIME ECO Summary

    Modification Date:  06-JUL-98
    Modification Type:  DOCUMENTATION:  Technical Modification:
                          This kit CANNOT be installed on OpenVMS
                          VAX V5.5-2HF.

    NOTE:  An OpenVMS saveset or PCSI installation file is stored
           on the Internet in a self-expanding compressed file.
           The name of the compressed file will be kit_name-dcx_vaxexe
           for OpenVMS VAX or kit_name-dcx_axpexe for OpenVMS Alpha.

           Once the file is copied to your system, it can be expanded
           by typing RUN compressed_file.  The resultant file will
           be the OpenVMS saveset or PCSI installation file which
           can be used to install the ECO.

    Copyright (c) Digital Equipment Corporation 1998. All rights reserved.

    OP/SYS:     DIGITAL OpenVMS VAX

    COMPONENT:  SYSLOA
                ERFBRIEF
                ERFNVAX
                ERFSHR
                ERFV14
                ERFXRP

    SOURCE:     Digital Equipment Corporation

    ECO INFORMATION:

         ECO Kit Name:  VAXSYSL20_U2055
         ECO Kits Superseded by This ECO Kit:  VAXSYSL19_U2055
                                               VAXSYSL18_U2055
                                               VAXSYSL17_U2055 (CSCPAT_1077)
                                               VAXSYSL15_U2055
                                               VAXSYSL14_U2055
                                               VAXSYSL13_U2055 (CSCPAT_1076)
                                               VAXSYSL12_U2055
                                               VAXSYSL10_U2055 (CSCPAT_1032)
         ECO Kit Approximate Size:  2160 Blocks
         Kit Applies To:  OpenVMS VAX V5.5-2, V5.5-2H4
         System/Cluster Reboot Necessary:  Yes
         Rolling Reboot Supported: Yes
         Installation Rating:   3 - To be installed on all systems running
                                    the listed versions of OpenVMS which
                                    are experiencing the problems described.

         Kit Dependencies:

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

             None

           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 SET TIME and other SYSLOA issues on OpenVMS VAX
    V5.5-2 and V5.5-2H4.

    Problems addressed in the VAXSYSL20_U2055 kit:

      o  The VAXSYSL19_U2055 remedial kit superseded the VAXSYSL18_U2055
         kit but it did not include all the images that were shipped with
         the VAXSYSL18_U2055 kit nor did it include the descriptions of
         problems fixed by the VAXSYSL18_U2055 kit.  This kit includes
         those images and descriptions.  However, even though these images
         and descriptions need to be included to maintain a proper
         supersession stream, there are no new ECO corrections to the
         images.  If you have installed the VAXSYSL18_U2055 and
         VAXSYSL19_U2055 remedial kits, you do not need to install this kit.

    Problems addressed in the VAXSYSL19_U2055 kit:

      o  Entering a "SET TIME" command without a specific time has  been
         known   to  cause  intermittant  SS$_IVTIME  (%SYSTEM-F-IVTIME,
         invalid time)  errors  on  VAX  7000-600  multiprocessor  (SMP)
         systems.

         Once this error is returned,  subsequent  "SET  TIME"  commands
         without  an  explicit time will continue to produce this error.
         To correct this  condition  another  "SET  TIME"  comand,  with
         specific time information, must be executed.

    Problems addressed in the VAXSYSL18_U2055 kit:

         NOTE:  The following SYSLOA*.EXEs are included in this
                ECO kit and are used with the CPU types shown:

                SYSLOA1202     VAX 6000-500
                SYSLOA1302     VAX 6000-600
                SYSLOA1303     VAX 4000-100/100A/105A   MicroVAX 3100-90/95
                SYSLOA1701     VAX 7000/10000
                SYSLOA420                               MicroVAX 3100
                SYSLOA440      VAXstation 4000-VLC      MicroVAX 3100-30/40
                SYSLOA46       VAXstation 4000-60       MicroVAX 3100-80
                SYSLOA49       VAXstation 4000-90
                SYSLOA43       VAXstation 3100 M76
                SYSLOA43D      VAXstation 3100 M76/GPX
                SYSLOA43S      VAXstation 3100 M76/SPX
                SYSLOA43W      VAXstation 3100 M76 (MONOCHROME)
                SYSLOA9CC      VAX 6000-200/300
                SYSLOA9RR      VAX 6000-400

         ***********************  WARNING  ****************************
         *                                                            *
         *  If you are going to install this ECO kit on a VAXstation  *
         *  4000 Model 60 or VAXstation 4000 Model 90 system that has *
         *  a TURBOchannel device installed *AND* is a member of a    *
         *  VAXcluster, you *MUST* install CSCPAT_1045 on your        *
         *  system either before or in the same installation session  *
         *  with this ECO.  If this ECO is installed on a             *
         *  system that meets the requirements mentioned above,       *
         *  the system will crash at boot time with an INVEXCEPTN     *
         *  bugcheck at STACONFIG+578A if CSCPAT_1045 does not        *
         *  exist on the system.                                      *
         *                                                            *
         *  If you install both kits during the same session,         *
         *  Digital recommends that you do not reboot between the     *
         *  application of the two ECO kits due to the probability    *
         *  of a system bugcheck which causes an unbootable system    *
         *  if only this ECO is installed.                            *
         *                                                            *
         *  For more information, please see the following article:   *
         *                                                            *
         *      *OpenVMS] CSCPAT_1045 SYSGEN, STACONFIG And           *
         *                TURBOchannel ECO Summary                    *
         *                                                            *
         **************************************************************

      o  Previous SYSLOA kits have been combined into one kit.  All the
         problem solutions that were in the kits superseded by
         VAXSYSL18_U2055 are included in VAXSYSL18_U2055 and apply to
         versions 5.5-2 and 5.5-2H4 of OpenVMS VAX.

      o  ANALYZE/ERROR returns an ACCVIO while processing a memory error
         packet.

      o  The VAXstation Model 90 hangs when the VME B board is accessed
         after reset.

      o  ANALYZE/ERROR report does not call the VAXstation 4000-VLC and
         MicroVAX 3100-30, -40 a KA45 as it should.

    Problems addressed in the VAXSYSL17_U2055 kit:

      o  An Access Violation will occur when an FAO System Service call
         fails due to invalid information in the memory configuration
         hardware register.  This occurs primarily on MicroVAX 3100
         Model 90, VAXstation 4000 Model 100 and VAXstation 4000 Model
         90 CPUs.

      o  The memory configuration register prints out the memory
         configuration of the system.  On the VAXstation 4000 Model 90,
         the total size of system memory reported is incorrect.

      o  On the VAXstation 3100 Model 76, incorrect information is
         reported by the cache error machine check code and the error
         buffers are formatted incorrectly.  This causes difficulty
         in pinpointing memory errors.

      o  The following time-out error message will appear on the
         system console if the port is in the XOFFed state too long:

             %TYPE-F-WRITEERR, error writing SYS$OUTPUT
             -RMS-F-WER
             -SYSTEM-F-TIMEOUT
             %DCL-W-SKPDAT

      o  ANALYZE/ERROR will Access Violate (ACCVIO) while
         processing a memory error packet which is generated by
         SYSLOA1303.EXE on the VAXstation 4000 Model 100 or
         SYSLOA49.EXE on the VAXstation 4000 Model 90.

    Problems addressed in the VAXSYSL15_U2055 kit:

      o  This kit contains the following fixes for the SYSLOA440 Error
         Handler on VAXstation 4000-VLC and the MicroVAX 3100 Model 30/80:

         -  All machine check and polled errors are assumed to be
            cache/bus errors but they are mostly caused by
            memory parity errors.

         - No memory error states are saved and logged.

         - SCSI parity checking is not enabled.

         - The MSER register bits are defined incorrectly.

         - Polled errors always cause the system to crash even
           though polled errors are always recoverable.

         - Cache data parity errors are not being checked properly
           in the READ_ERRORS routine.

         - Crash dumps trip across memory locations when a
           parity error occurs and cause the system to hang.

         - Network parity checking is set twice in the EXE$INIPROCREG
           routine of ERRSUB440 resulting in no SCSI parity checking.

      o  This kit contains the following fixes for the SYSLOA46 Error
         Handler on VAXstation 4000 Models 60 and the MicroVAX 3100
         Model 80:

         - TRAP2 is set in PCSTS causing a fatal bugcheck under
           RE_HANDLER since PCSTS flags are not cleared prior to
           exiting the error handler.

         - Memory FRU ID is not calculated correctly in FIND_BAD_SIMM
           and MEM_CONFIG if the address is greater than 2800000 hex.

         - CRD buffer is defined twice as large as it should be.

         - Cache data parity errors are not checked properly in the
           CE_HANDLER routine.

         - Crash dumps trip across memory locations when a
           parity error occurs and cause the system to hang.

         - In order to isolate to a single SIMM under RE_HANDLER,
           MEMERR <2> needs to be set if VA <2> is set in the machine
           check stack frame.

         - When threshold is exceeded for soft (INT54) memory parity
           errors, a message is output indicating that the 2nd level
           cache is being disabled.

      o  On the VAXstation 4000-VLC and MicroVAX 3100 Models 30/40, memory
         configuration and memory status information is not displayed.

    Problems addressed in the VAXSYSL14_U2055 kit:

      o  If a TURBOchannel device does not respond to one of two current
         TURBOchannel device addresses, a third-party TURBOchannel (TC)
         module on a VAXstation 4000 Model 90 or VAXstation 4000 Model
         60 will not be configured correctly.

      o  Due to changes in the timing on some TURBOchannel hardware, the
         VAXstation 4000 Model 90 and the VAXstation 4000 Model 60 may
         hang when certain TURBOchannel options are accessed after a
         reset.

    Problems addressed in the VAXSYSL13_U2055 kit:

      o  Normal system operation may be severely disrupted on VAX
         7000/10000 systems because the cache error correction
         routine does not properly correct cache single bit errors.

    Problems addressed in the VAXSYSL12_U2055 kit:

      o  VAX 7000/10000 systems may crash due to rare occurrences of ECC
         errors in the CPU module back-up cache. These errors will not
         corrupt data and will be shown in the OpenVMS error log
         'SYS$ERRORLOG:ERRLOG.SYS'.

      o  On VAX 6000 systems, the CONNECT command for the VME device
         driver might cause the system to crash. SYSGEN requires the
         INIT flag to be set in the ADP by SYSLOA before it can connect
         the VME device driver. When this does not happen, the system
         will crash.

      o  VAX 6000/7000 systems do not support IRQ6 interrupts.

    Problems addressed in the VAXSYSL10_U2055 kit:

      o  When memory errors are encountered on a VAXstation 3100, the
         system will crash and will not reload without manual
         intervention.  CDAL parity errors are incorrectly logged in the
         error report.

         The SYSLOA420 image included in this ECO correctly handles CDAL
         parity errors and improves the memory error handling.

    INSTALLATION NOTES:

    The images in this kit will not take effect until the system is
    rebooted.

    If you have other nodes in your OpenVMS cluster, they must also be
    rebooted in order to make use of the new image.  If it is not
    possible or convenient to reboot the entire cluster at this time, a
    rolling re-boot may be performed.
Files on this server are as follows:
    »vaxsysl20_u2055.README
    »vaxsysl20_u2055.CHKSUM
    »vaxsysl20_u2055.CVRLET_TXT
    »vaxsysl20_u2055.a-dcx_vaxexe

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