K 10 svn:author V 9 jimharris K 8 svn:date V 27 2012-10-09T19:53:15.691501Z K 7 svn:log V 262 MFC r240900: 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 path is always recursing on this lock. END