ia64/147501: [ia64] options PREEMPTION causes instability

[marcel at FreeBSD.org]

Synopsis: [ia64] options PREEMPTION causes instability

State-Changed-From-To: open->patched
State-Changed-By: marcel
State-Changed-When: Tue Feb 19 03:32:40 UTC 2013
State-Changed-Why: 
Fix committed on head with r246890 (primarily) and r246715.
Merge to 9-stable pending.

http://www.freebsd.org/cgi/query-pr.cgi?pr=147501