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

• Improve the performance of systems that are performing heavy file I/O.
• Corrects several minor problems with the IPv6 subsystem related to the Neighbor
Discovery specification.
• Provides an RFC3542 compliant implementation of IPv6 Advanced API.
• Fixes a panic condition caused by a problem in the swapping subsystem.
• Allows the niffconfig command to exceed 10 interfaces.
• Corrects a potential kernel memory fault.
• Fixes a problem of a system hang that occurs when the system may be swapping
• Fixes overall system instability caused by the pshare subsystem
• Speeds up the discovery of a healthy cluster interconnect interface by helping
NetRAIN failover to a redundant healthy interface before the (Internode
Communication Services) begins to time out on the keepalives, thereby preventing
the cluster from crashing.
• Fixes certain panics conditions by increasing the timeout for CPU onlines.
• Updates Mobile IPv6 code to be compliant with the latest RFC.
• Corrects the handling of a condition that can lead to a panic under heavy system
load with high swap activity.
• Corrects a problem in which the cp -p command will not copy DMAPI-managed
region information.
• Addresses an issue in which the default value for kernel flag mobileipv6_enabled
is 1
• Corrects the cause of a panic on a cluster system when renaming a root specified
by the chroot command.
• Fixes a kernel memory leak that occurs during routing table updates, which over
time, can cause memory shortages for machines attached to a constantly changing
network, as in the case of mobile IP.
• Fixes the cause of a hang/panic that occurs soon after a console printf returns the
message “NFS over TCP client xxx not reading replies, continuing."
• Corrects a kernel memory fault in exit() where uu_curinfo is nil.
• Fixes MIP6_CACHE_READ_TO_WRITE_LOCK() to not call lock_read_to_write()
when in lockmode=0 to avoid a panic.
• Modifies asynchronous I/O to prevent it from releasing file region locks.
• Fixes "issig recursion" panics.
• Fixes a simple lock timeout panic in the ubc_invalidate routine.
• Corrects a condition in which the fork() function can lead to a “vm_pg_free: page
mapped" panic when big pages are enabled.
• Corrects a problem with HSZ events that cause I/O errors rather than doing the
appropriate retries so the I/O can be successful.
• Corrects problem that prevents proper XP RaidManager operation.
• Corrects a Routing Header Type 2 length miscalculation.
132 Tru64 UNIX Patches