OpenAFS Release Notes - Version 1.4.11 prerelease 2
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Linux client systems: Major bugfixes.
All client systems: Minor bugfixes.
File servers: Major bugfixes.
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* New functionality:

All systems:

- Provide portable (pioctl) method for discovering what PAG a user is
  in. Required to support userspace PAG information collection on AIX 
  5.1, and knowing whether Linux uses one group, two group, or only
  keyring based PAGs.

* Bugfixes:

All systems:

- Fix bosserver to invoke salvager with "-force" instead of ambiguous 
  "-f".

- Cleanup for ptserver argument parsing to allow debug mode to work.

- Sanity checking for ptserver log levels.

- Fix for uninitialized memory dereference in klog.krb5.

- Fix an overflow in the cellconfig code used by client and server.

- Fix an erroneous vos verbose mode format string.

- Avoid losing writes on mmap()ed files when cache is memcache.

- Provide an afsd switch to allow override of the maximum MTU.

- Provide support for encrypt mode in pts.

- Fix race in background sync code which could cause volumes to go offline.

- Fix fileserver host tracking to correctly unhash and deregister addresses
  and UUIDs.

FreeBSD:

- UKERNEL build fix.

Linux:

- Allow syscall probing to be disabled by switch to configure at build time.

- Fix bug in anti-recursion protection for mmap clients.

- Avoid a panic caused by changing credentials during VFS operations.

- Avoid need for rcu subsystem when unavailable.

MacOS:

- MacOS 10.3 UKERNEL build fix.

OpenBSD:

- Update support for 4.5

OpenSolaris:

- Updates for newer OpenSolaris kernels.