Scanning USB
Using default console: /vdevice/vty@71000000
     ted RAM kernel at 400000 (17995b0 bytes) C08FF
  Welcome to Open Firmware

  Copyright (c) 2004, 2011 IBM Corporation All rights reserved.
  This program and the accompanying materials are made available
  under the terms of the BSD License available at
  http://www.opensource.org/licenses/bsd-license.php

Booting from memory...
OF stdout device is: /vdevice/vty@71000000
Preparing to boot Linux version 4.10.0-19-generic (buildd@bos01-ppc64el-009) (gcc version 6.3.0 20170321 (Ubuntu 6.3.0-10ubuntu1) ) #21-Ubuntu SMP Thu Apr 6 17:03:05 UTC 2017 (Ubuntu 4.10.0-19.21-generic 4.10.8)
Detected machine type: 0000000000000101
command line: debug initcall_debug udbg-immortal console=/dev/hvc0
Max number of cores passed to firmware: 2048 (NR_CPUS = 2048)
Calling ibm,client-architecture-support... done
memory layout at init:
  memory_limit : 0000000000000000 (16 MB aligned)
  alloc_bottom : 0000000001bb0000
  alloc_top    : 0000000010000000
  alloc_top_hi : 0000000080000000
  rmo_top      : 0000000010000000
  ram_top      : 0000000080000000
instantiating rtas at 0x000000000daf0000... done
prom_hold_cpus: skipped
copying OF device tree...
Building dt strings...
Building dt structure...
Device tree strings 0x00000000041c0000 -> 0x00000000041c09fd
Device tree struct  0x00000000041d0000 -> 0x00000000041e0000
Quiescing Open Firmware ...
Booting Linux via __start() @ 0x0000000000400000 ...