K 10 svn:author V 8 rmacklem K 8 svn:date V 27 2012-02-14T05:12:52.141914Z K 7 svn:log V 316 MFC: r230803 When a "mount -u" switches an NFS mount point from TCP to UDP, any thread doing an I/O RPC with a transfer size greater than NFS_UDPMAXDATA will be hung indefinitely, retrying the RPC. After a discussion on freebsd-fs@, I decided to add a warning message for this case, as suggested by Jeremy Chadwick. END