What is exactly lock order reversal? I`ve encountered something like this on my console: lock order reversal 1st 0xc720dce4 vm object (vm object) @ vm/swap_pager.c:1323 2nd 0xc06c01a0 swap_pager swhash (swap_pager swhash) @ vm/swap_pager.c:1838 3rd 0xc0c358c4 vm object (vm object) @ vm/uma_core.c:873 System: FreeBSD 5.2-RELEASE