Freezes when installing NeXTSTEP 3.3 or OPENSTEP 4.2 RISC version in qemu-system-sparc
Description of problem:

Steps to reproduce:
1.Boot from NeXTstep 3.3 or OPENSTEP 4.2 RISC ISO.  Works on real Sparcstation 5, 10, or 20
2.Start OS install
3.
Additional information: