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

• Corrects a problem 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.
• Fixes mass storage disk subsystem handling of specific important events reported
by the HSG80 and HSG60 array controllers.
• Corrects a problem in which multiple processes accessing a changer device can
hang in a deadlock situation accessing the changer.
• Improves logging of sense data during error recovery.
• Fixes a problem with stalled or hung I/O's on clusters.
• Corrects the panic, “cmn_err: CE_PANIC: elan0: heartbeat pacemaker - flatlined
....” that occurs on AlphaServer SC systems.
• Fixes a panic that can occur when the ee driver momentarily drops its lock.
• Resolves a logic error in hardware-specific platform code for certain boundary
conditions.
• Enables IPv6 MTU to be set up to 9000 bytes on gigabit Ethernet.
• Fixes a rare kernel memory fault that occurs when booting an AlphaServer ES80.
• Fixes a timer queue overflow panic with ccmn_get_dbuf.
• Fixes a kernel memory fault in hwc_lookup_devt_safe.
• Enables the right mouse button for some two-button USB mice.
• Fixes a kernel memory fault that can occur during boot on some large AlphaServer
GS1280 systems.
• Enhances CAM disk driver resiliency.
• 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.
170 Tru64 UNIX Patches