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OpenVMS ALPLIBR07_062 Alpha V6.2 - V6.2-1H3 LIBRTL ECO Summary

TITLE: OpenVMS ALPLIBR07_062 Alpha V6.2 - V6.2-1H3 LIBRTL ECO Summary Modification Date: 25-AUG-98 Modification Type: New Kit 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. *OpenVMS] ALPLIBR07_062 Alpha V6.2 - V6.2-1H3 LIBRTL ECO Summary Copyright (c) Compaq Computer Corporation 1998. All rights reserved. OP/SYS: DIGITAL OpenVMS Alpha COMPONENT: Run-Time Library SOURCE: Compaq Computer Corporation ECO INFORMATION: ECO Kit Name: ALPLIBR07_062 ECO Kits Superseded by This ECO Kit: None ECO Kit Approximate Size: 1728 Blocks Kit Applies To: OpenVMS Alpha V6.2, V6.2-1H1, V6.2-1H2, V6.2-1H3 System/Cluster Reboot Necessary: Yes Rolling Re-boot 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: ALPY2K02_062 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 the run time library on OpenVMS Alpha V6.2 through V6.2-1H3. This kit addresses the following problems: o If the input string was truncated the wrong length was returned in the resultant-length field from LIB$GET_FOREIGN. LIB$GET_FOREIGN was returning the original length of the string instead of the truncated length. o The LIB$FIND_IMAGE_SYMBOL was enhanced in OpenVMS V7.1 to permit a caller to look up a symbol containing both upper and lower case characters. Previously, all symbols would be converted to upper case before lookup. A new flag was added to the flags parameter to signify that a symbol should be used "as is" and not converted to uppercase. The problem became more of a concern because languages, such as C, C++ and Java [TM] are becoming increasingly more case sensitive. o LIB$VM_MALLOC (used by C RTL routine "malloc") obtains memory using $EXPREG. In the case where $EXPREG fails to return enough memory to satisfy a given request, such "leftover" memory is placed on a LIB$VM_MALLOC free list. This tends to occur when a process has reached all its virtual address space limit, or for some reason asks for an exceptionally large memory allocation. The problem is that this "leftover" memory is probably the last memory available to the process, and interferes with any "last ditch" attempts to recover. Another scenario is where a task can be performed in 2 ways, one of which involves using a large amount of memory. This can result in LIB$VM_MALLOC grabbing a large amount of virtual memory and putting it on its free list. 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. During installation you may see the following message: %INSTALL-E-NODELSHRADR, unable to delete image with shareable address data -INSTALL-I-PLSREBOOT, please reboot to install a new version of this image This is not a cause for concern. It simply means that LIBRTL.EXE was installed as a resident image, which is the standard configuration for OpenVMS Alpha V7.1 systems. The new image will not take affect until the system is rebooted. [TM] Java and Java-based trademarks and logos are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries.



This patch can be found at any of these sites:

Colorado Site
Georgia Site



Files on this server are as follows:

alplibr07_062.README
alplibr07_062.CHKSUM
alplibr07_062.CVRLET_TXT
alplibr07_062.a-dcx_axpexe

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