amd64/186061: FreeBSD 10 crashes as KVM guest on GNU/Linux on AMD family 10h CPUs

[alc at FreeBSD.org]

Synopsis: FreeBSD 10 crashes as KVM guest on GNU/Linux on AMD family 10h CPUs

Responsible-Changed-From-To: freebsd-amd64->alc
Responsible-Changed-By: alc
Responsible-Changed-When: Sat Feb 15 18:24:18 UTC 2014
Responsible-Changed-Why: 
Take over this PR.

http://www.freebsd.org/cgi/query-pr.cgi?pr=186061