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

• Fixes a condition that causes a system hang when using open3D over the AGP bus
on an AlphaServer GS1280.
• Fixes a problem that can cause an ES45 to hang if the Xserver is restarted or the
system is rebooted without a power cycle when using the Radeon AGP graphics
device.
• Fixes a problem with USB hubs (or any other bus device) that occurs when they
are removed from a running system.
• Fixes a performance problem that occurs when doing wiring on gh_chunks
memory.
• Fixes multiple problems affecting a system with peripheral USB hubs attached, as
well as problems that might occur when moving or adding USB host adapters.
• Fixes a situation in which mounting a valid CD-ROM for the first time fails with
the message “No valid file system exists on this partition,” although subsequent
mounts of the same CD-ROM work as expected.
• Fixes a kernel memory fault for systems that contain more that 8 IDE/ATA buses.
• Corrects rounding errors for vm attribute vm_bigpg_thresh.
• Corrects the handling of bad pages when big pages are enabled.
• Fixes the cause of "page mapped" panics when using mmap calls with dev/mem
to access free big pages.
• Corrects a problem in which Incorrect I/O status may be returned by the KZPEA
driver when attempting to abort an I/O during a reset.
• Adds support in the platform code to handle MSI capable adapters. AlphaServer
GS1280 systems support option cards that require MSI capabilities.
• Installs the V1.07 release of the ciss driver, which is the minimum version required
to support the Smart Array 5300 controller.
• Corrects a problem in which a path event can cause hang in cdisk_online during
disk open of HSG80.
• Provides additional environmental support for the DS20L platform.
• Allows multiple VX1 graphic cards to be configured in a separate I/O box system.
• 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.
• Corrects problems with the time of year (TOY) clock.
• Fixes an IDE/ATA bus hang caused by attempting to complete raw odd byte DMA
transfers to or from IDE/ATAPI devices.
• Addresses small memory leaks within the kernel that occur infrequently.
• Adds sysconfig tunable attributes for AlphaServer ES45 environmental monitoring.
• Addresses an issue in which a NULL Inquiry data causes a “Device has no 'name'
” error and possible I/O stalls.
3.4 Summary of Base Operating System Patches 161