I just had ubc_uiomove: error=22 (EINVAL) (basically uvm_io) after vnconfig -z vnd0 rwd0e.cloop2 mount -t ntfs /dev/vnd0a /mnt cp boot.sdi /tmp yet I can happily cat boot.sdi > /tmp/foobar diff /tmp/foobar boot.sdi How can this be? (amd64/current) Cheers, Patrick