TITLE: HP Tru64 UNIX V5.1B-3 - SCS threads causing undefined behavior Copyright (c) Hewlett-Packard Company 2005. All rights reserved. PRODUCT: HP Tru64 UNIX [R] V5.1B-3 SOURCE: Hewlett-Packard Company ECO INFORMATION: ECO Name: T64KIT1000108-V51BB26-E-20051116 ECO Kit Approximate Size: 3.24MB Kit Applies To: HP Tru64 UNIX V5.1B-3 PK5 (BL26) ECO Kit CHECKSUMS: /usr/bin/sum results: 59876 3320 /usr/bin/cksum results: 3574390717 3399680 MD5 results: 616f9efc9f6a94e8e2d05dd5355038fe SHA1 results: 588acef1a4b011bfb74bf2061b10151dc70908d8 ECO KIT SUMMARY: A dupatch-based, Early Release Patch kit exists for HP Tru64 UNIX V5.1B-3 that contains solutions to the following problem(s): Under certain circumstances, customers using SCS (System Contention Scope) threads on HP Tru64 UNIX 5.1B-3 may experience unexpected behavior within their applications. Such behavior could include a memory fault, a spin, a hang, or an application core dump. This problem only occurs when customers attempt to redefine default thread scheduling using the environmental variable setting: PTHREAD_CONFIG=feature="def-scs,att-scs" The Patch Kit Installation Instructions and the Patch Summary and Release Notes documents provide patch kit installation and removal instructions and a summary of each patch. Please read these documents prior to installing patches on your system. The patches in this ERP kit will also be available in the next mainstream patch kit - HP Tru64 UNIX V5.1B-4. INSTALLATION NOTES: 1) Install this kit with the dupatch utility that is included in the patch kit. You may need to baseline your system if you have manually changed system files on your system. The dupatch utility provides the baselining capability. 2) The patch in this ERP kit does not have any file intersections with any other ERP available at this time for this product version. 3) This ERP kit will NOT install over any Customer Specific Patches (CSPs) which have file intersections with this ERP kit. Contact your normal Service Provider for assistance if the installation of this ERP kit is blocked by any of your installed CSPs. INSTALLATION PREREQUISITES: You must have installed HP Tru64 UNIX V5.1B-3 PK5 (BL26) prior to installing this Early Release Patch Kit. SUPERSEDE INFORMATION: KNOWN PROBLEMS WITH THE PATCH KIT: None. RELEASE NOTES FOR T64KIT1000108-V51BB26-E-20051116: Release Notes This document summarizes the contents and special instructions for the Tru64 UNIX V5.1B patches contained in this kit. For information about installing or removing patches, baselining, and general patch management, see the Patch Kit Installation Instructions document. 1 Release Notes This Early Release Patch Kit Distribution contains: - fixes that resolve the problem(s) reported in: o 19070 * for Tru64 UNIX V5.1B T64V51BB26AS0005-20050502.tar (BL26) This kit includes a patch which requires system reboot. The patches in this kit are being released early for general customer use. Refer to the Release Notes for a summary of each patch and installation prerequisites. Patches in this kit are installed by running dupatch from the directory in which the kit was untarred. For example, as root on the target system: > mkdir -p /tmp/CSPkit1 > cd /tmp/CSPkit1 > > tar -xpvf DUV40D13-C0044900-1285-20000328.tar > cd patch_kit > ./dupatch 2 Special Instructions SPECIAL INSTRUCTIONS for Tru64 UNIX V5.1B Patch C1393.00 3 Summary of CSPatches contained in this kit Tru64 UNIX V5.1B PatchId Summary Of Fix ---------------------------------------- C1393.00 Fix for a possible memory fault in POSIX threads 4 Additional information from Engineering None 5 Affected system files This patch delivers the following files: Tru64 UNIX V5.1B Patch C1393.00 ./shlib/libpthread.so CHECKSUM: 59234 728 SUBSET: OSFBASE540 ./usr/shlib/libpthreaddebug.so CHECKSUM: 37472 845 SUBSET: OSFBASE540 [R] UNIX is a registered trademark in the United States and other countries licensed exclusively through X/Open Company Limited. Copyright Hewlett-Packard Company 2005. All Rights reserved. This software is proprietary to and embodies the confidential technology of Hewlett-Packard Company. Possession, use, or copying of this software and media is authorized only pursuant to a valid written license from Hewlett-Packard or an authorized sublicensor. This ECO has not been through an exhaustive field test process. Due to the experimental stage of this ECO/workaround, Hewlett-Packard makes no representations regarding its use or performance. The customer shall have the sole responsibility for adequate protection and back-up data used in conjunction with this ECO/workaround.