Make gcc happy, init idlen2.
Remove /usr/share/doc/psd/28.cvs/paper.ps.gz if it exists, as it is
obsolete since r251794.

PR:		191003
Submitted by:	Vick Khera
MFC after:	3 days
Use the appropriate IPv6 hashtype defines when looking up the PCBGROUP

Reviewed by:	adrian@
Use common vt_fb parts in ofwfb as far as we are able without sacrificing
performance.

MFC after:	2 weeks
Remove ia64.

This includes:
o   All directories named *ia64*
o   All files named *ia64*
o   All ia64-specific code guarded by __ia64__
o   All ia64-specific makefile logic
o   Mention of ia64 in comments and documentation

This excludes:
o   Everything under contrib/
o   Everything under crypto/
o   sys/xen/interface
o   sys/sys/elf_common.h

Discussed at: BSDcan
Implement ABORT TASK SET and I_T NEXUS RESET task management functions.

Use the last one to terminate active commands on iSCSI session termination.
Previous code was aborting only commands doing some data moves.
Merge branch 'master' into markj-develop

Conflicts:
	sys/ia64/ia64/dump_machdep.c