looking for root

cpuid 0: initialized cpumod: cpu.generic
mem = 1572204K (0x5ff5b000)
root nexus = i86pc
pseudo0 at root
pseudo0 is /pseudo
scsi_vhci0 at root
scsi_vhci0 is /scsi_vhci
isa0 at root
pci0 at root: space 0 offset 0
pci0 is /pci@0,0

panic[cpu0]/thread=fec15e0: cannot mount root path

fec34eec genunix:rootconf+f0 (fe88b7a0, fec1dd7c,)
fec34f10 genunix:vfs_mountroot+54 (fe800000, 100fec8, )
fec34f24 genunix:main+87 ()

panic: entering debugger (no dump device, continue to reboot)