kern/158231: [nullfs] panic on unmounting nullfs mounted over ufs on usb stick that got detached

[linimon at FreeBSD.org]

Old Synopsis: panic on unmounting nullfs mounted over ufs on usb stick that got detached
New Synopsis: [nullfs] panic on unmounting nullfs mounted over ufs on usb stick that got detached

Responsible-Changed-From-To: freebsd-bugs->freebsd-fs
Responsible-Changed-By: linimon
Responsible-Changed-When: Fri Jun 24 00:33:29 UTC 2011
Responsible-Changed-Why: 
Over to maintainer(s).

http://www.freebsd.org/cgi/query-pr.cgi?pr=158231