K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2017-08-14T11:23:07.566528Z
K 7
svn:log
V 217
Print whole machine state on double fault.

It is quite useful when double fault is not caused by a stack overflow.

Tested by:	pho (as part of the larger patch)
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week

END