jimharris 9d75de6934 Specify MTX_RECURSE for the controller's io_lock. Without it, tws(4)
immediately panics on boot with INVARIANTS enabled.  The driver already
clearly expects to be able to recurse on this mutex - the main I/O
is always recursing on this lock.

Reported and tested by:  Mike Tancsa <mike at sentex dot net>
MFC after: 1 week
2012-09-24 21:40:22 +00:00
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2012-09-23 08:50:54 +00:00
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