kern/139847: [geom_mbr] [patch] load/unload causes system to hang

[jh at FreeBSD.org]

Synopsis: [geom_mbr] [patch] load/unload causes system to hang

Responsible-Changed-From-To: freebsd-geom->jh
Responsible-Changed-By: jh
Responsible-Changed-When: Thu Apr 29 18:25:27 UTC 2010
Responsible-Changed-Why: 
Take.

http://www.freebsd.org/cgi/query-pr.cgi?pr=139847