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OpenVMS ALPSYS17_061 Alpha V6.1 Process Management ECO Summary

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 1996. All rights reserved. ******************************************************************* * CAUTION * ******************************************************************* * For the corrections in this ECO to take effect, the system must * * be rebooted. If this ECO is installed but the system is NOT * * rebooted, the system may crash with a BADVECTOR bugcheck when * * using DEBUG. This is due to the installation procedure * * performing an "INSTALL REPLACE SYS$LIBRARY:SYS$SSISHR.EXE" * * which causes a mismatch problem until the system is rebooted. * ******************************************************************* PRODUCT: OpenVMS Alpha COMPONENT: Process Management - PROCESS_MANAGEMENT.EXE SYS$SSISHR.EXE SYS$PUBLIC_VECTORS.EXE SOURCE: Digital Equipment Corporation ECO INFORMATION: ECO Kit Name: ALPSYS17_061 ECO Kits Superseded by This ECO Kit: ALPSYS11_061 AXPSYS10_061 (AXPSYS) AXPSYS09_061 AXPSYS06_061 AXPSYS04_061 AXPSYS02_061 AXPSYS01_061 ECO Kit Approximate Size: 821 Blocks Kit Applies To: OpenVMS Alpha V6.1, V6.1-1H1, V6.1-1H2 System/Cluster Reboot Necessary: Yes ECO KIT SUMMARY: An ECO kit exists for Process Management on OpenVMS Alpha V6.1 through V6.1-1H2. This kit addresses the following problems: Problems Addressed in the ALPSYS17_061 o Although the ALPSYS11_061 documentation states that the system must be rebooted, some customers are not doing so immediately. This causes a problem when using DEBUG. A BADVECTOR error is issued and the system crashes. The problem does not occur if the system is rebooted. The crash occurs because the kit does an INSTALL/REPLACE on the SYS$SSISHR.EXE image which results in image mismatch problems if the system is not re-booted. Problems Addressed in the ALPSYS11_061 o The common idle loop counters have a severe performance degradation on Alpha 4000 SMP configurations. Problems Addressed in the AXPSYS10_061 o Process hangs and is often impossible to kill or stop. Problems Addressed in the AXPSYS09_061 o Because installation of the AXPSYS06_061 ECO kit will exacerbate problems corrected by the AXPRMS02_061 ECO kit, after installation of the AXPSYS06_061 kit users should also install the AXPRMS02_061 kit. Problems Addressed in the AXPSYS06_061 o The PROCESS_MANAGEMENT.EXE image included in remedial kit AXPSYS04_061 did not fix the problems listed. Problems Addressed in the AXPSYS04_061 o A process is hung in LEF state, with an outstanding I/O operation and a kernel mode AST queued to the process. Kernel mode ASTs are disabled. Problems Addressed in the AXPSYS02_061 o Applications that call the wait form of system services cause a hang. The cause is that the service has finished asynchronously but the application is still waiting in LEF. The problem has been found to be generally applicable to all system services that have a wait form counterpart. Problems Addressed in the AXPSYS01_061 o On systems running OpenVMS Alpha V6.1, when a process with a non-zero CPU limit SPAWNs one or more subprocesses, each SPAWN halves the CPU limit (as expected), but on returning from the SPAWN the unused CPU time isn't credited back to the parent process. After some number of successful SPAWNs the process will receive a %SYSTEM-F-EXCPUTIME error and will not allow the user to continue. The user will have to log out and log back in to start another process. INSTALLATION NOTES: In order for the corrections in this kit to take effect, the system must be rebooted. If the system is a member of a VMScluster, the entire cluster should be rebooted. CAUTION: The System MUST be rebooted after successful installation of the kit. If you do not reboot, the system may crash with a BADVECTOR bugcheck when using DEBUG. The problem does not occur if the system is rebooted. The crash occurs because the kit does an INSTALL/REPLACE on the SYS$SSISHR.EXE image which results in image mismatch problems if the system is not re-booted. If you have other nodes in your VMScluster, they should also be rebooted in order to make use of the new image(s). Note: Installation of this kit will exacerbate problems corrected by the the AXPRMS02_061 kit. After installation of this kit is complete, the AXPRMS02_061 kit should be installed. This kit should be installed aftet the ALPSYS11_061 installation but before the system is rebooted. Otherwise you will need to reboot twice.



This patch can be found at any of these sites:

Colorado Site
Georgia Site



Files on this server are as follows:

alpsys17_061.README
alpsys17_061.CHKSUM
alpsys17_061.CVRLET_TXT
alpsys17_061.a-dcx_axpexe

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