It indeed helps. But ...trh411 said:
kldstat
Id Refs Address Size Name
1 15 0xc0400000 c0d5e4 kernel
2 2 0xc4398000 3a000 linux.ko
3 1 0xc4409000 a03000 nvidia.ko
4 1 0xc4fa1000 b000 aio.ko
5 1 0xc4fbe000 1f000 kqemu.ko
qemu -m 192 -hda winxp.qcow2 -kernel-kqemu -net nic -net user
/usr/local/bin/qemu: invalid option -- '-kernel-kqemu'