Synopsis: Using read-only NULLFS leads to panic. gdb output included, easy to reproduce. State-Changed-From-To: open->patched State-Changed-By: tjr State-Changed-When: Mon Mar 8 16:05:23 PST 2004 State-Changed-Why: Fixed in 5.2 and current. http://www.freebsd.org/cgi/query-pr.cgi?pr=63662