I first detected this problem whilst playing with 1.2G but confirmed it
is still in 1.3.

If I go:

time dd if=/dev/rwd0a bs=4096k of=/devnull

on the console I get:

panic: ptdi 5b66063

pmap_enter
vm_fault
vm_fault_wire
vm_map_pageable
vslock
physio
wdread
spec_read
ufsspec_read
vn_read
sys_read
syscall

I can reproduce this...wd0 is a BSD partition for FreeBSD...the number after
the ptdi doesn't seem to be constant.  Is anyone interested in this or is
this just lossage from mixing file system formats ?

Darren