我按照FreeBSD Handbook上的说明操作，但它不起作用。
$ pkg_info | grep linux_base
linux_base-f10-10_4 Base set of packages needed in Linux mode for i386/amd64 (L
$ kldstat | grep linux
5 1 0xffffffff8112d000 1c4ac linux.ko
$ ./wkhtmltoimage-amd64
ELF binary type "3" not known.
./wkhtmltoimage-amd64: Exec format error. Binary file not executable.
$ uname -ai
FreeBSD xxxxxx.xxx.xxx 8.1-RELEASE-p1 FreeBSD 8.1-RELEASE-p1 #0: Mon Oct 18 01:46:34 CST 2010 root@xxxxxx.xxx.xxx:/usr/obj/usr/src/sys/CSSULA amd64 CSSULA
有什么想法吗？