kern/166193: [dump] FB 8.0 freeze during the kernel dump

[avg at FreeBSD.org]

Old Synopsis: [ufs] [hang] FB 8.0 freeze during the kernel dump
New Synopsis: [dump] FB 8.0 freeze during the kernel dump

Responsible-Changed-From-To: freebsd-fs->avg
Responsible-Changed-By: avg
Responsible-Changed-When: Wed Mar 21 10:22:25 UTC 2012
Responsible-Changed-Why: 
This PR looks like a duplicate of PR 139614.

http://www.freebsd.org/cgi/query-pr.cgi?pr=166193