kern/169683: [md] [panic] System crash via ioctl() on mdctl.

[linimon at FreeBSD.org]

Synopsis: [md] [panic] System crash via ioctl() on mdctl.

State-Changed-From-To: closed->open
State-Changed-By: linimon
State-Changed-When: Wed Jul 18 14:22:00 UTC 2012
State-Changed-Why: 
Apparently this is a different panic.  I was confused by the similarity
in the Subject lines.

http://www.freebsd.org/cgi/query-pr.cgi?pr=169683