NetBSD on Milkymist SoC

MacBook-Pro-de-Yann-Sionneau:qemu-mmu fallen$ ./lm32-softmmu/qemu-system-lm32 -M milkymist -nographic -s -S -kernel /Users/fallen/dev/NetBSD/sys/arch/milkymist/compile/obj/GENERIC/netbsd
audio: Failed to create voice `mm_ac97.in'
panic: uvm_page_physload: page size not set!

The operating system has halted.
Please press any key to reboot.

rebooting...