HP Tru64 UNIX and TruCluster Server Version 5.1.B-4 Patch Summary and Release Notes (13156)

• Fixes a potential I/O hang with the KZPCC backplane RAID adapter.
• Fixes a rare occurrence where on a shared parallel SCSI bus disks may become inaccessible
to hosts under certain fault conditions.
• Fixes the panic "no locks owned by cpu" caused by the bcm driver (DEGXA) when the device
is shut down.
• Fixes a problem that causes incorrect parent bus information from being printed for Smart
Array 53xx adapters.
• Corrects a lock initialization during boot.
• Prevents a kernel memory fault within control_port_open when there are no control ports
within the system configuration.
• Fixes a problem and prevents a uagt thread from causing a "simple lock owned" panic in
low memory situations.
• Fixes a kernel memory fault in hwc_lookup_devt_safe.
• Improves cluster I/O resiliency during certain error cases.
• Provides enhancements for future versions of XP storage tools.
• Fixes a race condition in the EMX driver that can cause the driver state flags to go bad.
• 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
OSFHWBINCOM540
• 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.
124 Tru64 UNIX Patches