As of now there seem to be issues in the -current kernel when using it
within a guest LDOM.
Loading netbsd: 13955440+516584+330992 [807552+524069]=0x13149b0
[ 1.0000000] sun4v_interrupt_init: failed to set major to 3
[ 1.0000000] sun4v_interrupt_init: hv interrupt api major set to 0
...
[ 1.0000000] cbus0 at vbus0
[ 1.0000000] vdsk0 at cbus0 chan 0x0: ivec 0x0, 0x1panic: sun4v_intr_setenabled(200, 0) failed - err = 6
[ 1.0000000] cpu0: Begin traceback...
[ 1.0000000] cpu0: End traceback...
Stopped in pid 0.0 (system) at netbsd:cpu_Debugger+0x4: nop
db{0}>