HP Tru64 UNIX and TruCluster Server Version 5.1B-5 Patch Summary and Release Notes (March 2009)

• Fixes the cause of a KMF panic that occurs when closing a removable device with
no paths.
• Provides better error handling for new tape devices.
• Fixes an issue in the error recovery procedure of CISS adapters.
• Corrects a problem in which changer applications hang when opening media
changer device.
• Improves the performance of various hwmgr commands on large AlphaServer
ES80 and GS1280 systems.
• Fixes a "vl_unwire: page is not wired" panic when the system is configured with
gh_chunks or rad_gh_regions enabled and new_wire_method = 1.
• Retires the "new_wire_method" sysconfig tunable paramater. See
“new_wire_method Tunable Attribute Retired”.
• Corrects the cause of the “pmap_ssm_lock_bit timeout” panic.
• Fixes a problem in which a disk device is inaccessible after physical removal and
reinstallation.
• Fixes the cause of a rare hang on an AlpthaServier ES47 system that occurs when
booting in graphics console mode.
• fixes a problem whereby multiple LSM kernel-initiated plex detaches processed
simultaneously by different cluster members across different diskgroups can cause
I/O requests to those volumes to hang.
Patch 27036.00
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• Provides environmental sensor support for Superdome power supply sensors.
• Adds support to get live status information for air movers and power supplies on
AlphaServer GS1280 systems and to log intrusion packets to the error log.
• Adds support for CPU indictment on AlphaServer GS1280 systems.
• Fixes a situation where, on a panic, the operating system erroneously reboots
instead of halting and fails to take a crash dump.
• Distributes the latest .h files for the mcutil program and the event manager.
• Corrects a problem with hwmgr delete while a SCSI scan is in progress.
• Causes the AlphaServer GS1280 platform to accurately report and handle fatal
memory errors if the associated CPU is off line.
• Fixes and improves the mcutil program by correcting how bus resets are handled
by the program and by enhancing its error reporting capabilities.
• Corrects an issue in which multiple access to changer devices (for example, via
Legato/Networker) could lead to a kernel memory fault in the changer driver.
• Fixes problems with DS15 environmental monitoring.
3.4 Summary of Base Operating System Patches 171