Maybe it is because mfs process will be killed before its filesystem unmounted. Use /boottmp/shutdownfi for safe shutdown. This is a shell wrapper for /sbin/shutdown. Its synopsis is same as /sbin/shutdown's one. -- kaw2007-11-19 (月) 22:10:03
Better solution proposal - modify /etc/rc.shutdown at boot time. (and check not to replay same modification...) -- kaw2008-12-07 (日) 20:42:21
No panic occurs at shutting down 4.5 kernel - 2009-05-19 (火) 12:02:59
Shell code for safe unmounting /mfs is added to /etc/rc.shutdown - 2010-12-21 (Tue) 00:12:55