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[Scott Moser <smoser@xxxxxxxxxx>]

Additional info:
$ sudo multipath -ll
mpath2 (1IBM     IPR-0   5EC2A900000000A0) dm-2 IBM,IPR-0   5EC2A900
size=264G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=130 status=active
| `- 0:2:2:0 sdc 8:32  active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
  `- 1:2:2:0 sdi 8:128 active ready running
mpath1 (1IBM     IPR-0   5EC2A90000000060) dm-1 IBM,IPR-0   5EC2A900
size=264G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=130 status=active
| `- 0:2:1:0 sdb 8:16  active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
  `- 1:2:1:0 sdh 8:112 active ready running
mpath0 (1IBM     IPR-0   5EC2A90000000080) dm-0 IBM,IPR-0   5EC2A900
size=264G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=130 status=active
| `- 0:2:0:0 sda 8:0   active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
  `- 1:2:0:0 sdg 8:96  active ready running
mpath5 (1IBM     IPR-0   5EC2A90000000020) dm-5 IBM,IPR-0   5EC2A900
size=264G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=130 status=active
| `- 0:2:5:0 sdf 8:80  active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
  `- 1:2:5:0 sdl 8:176 active ready running
mpath4 (1IBM     IPR-0   5EC2A900000000C0) dm-4 IBM,IPR-0   5EC2A900
size=264G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=130 status=active
| `- 0:2:4:0 sde 8:64  active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
  `- 1:2:4:0 sdk 8:160 active ready running
mpath3 (1IBM     IPR-0   5EC2A90000000040) dm-3 IBM,IPR-0   5EC2A900
size=264G features='1 queue_if_no_path' hwhandler='1 alua' wp=rw
|-+- policy='round-robin 0' prio=130 status=active
| `- 0:2:3:0 sdd 8:48  active ready running
`-+- policy='round-robin 0' prio=10 status=enabled
  `- 1:2:3:0 sdj 8:144 active ready running


After installation via maas , system hung with the boot log attached as 'console boot from wily (boot hangs)'.  I then did and ipmi reset and it came up this time.
system is currently up in this kernel and Stefan's ssh keys should be able to get in as 'ubuntu' user.

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https://bugs.launchpad.net/bugs/1462530

Title:
  multipath errors on vivid and wily kernel?

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Oleg and I got changes into curtin to fix bug 1371634.
  So that now we can boot into multipath iscsi devices on power.

  It seems to go well enough with trusty+hwe-u, but when trying vivid, I am seeing errors.
  Boot was failing in one case
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jun  8 16:05 seq
   crw-rw---- 1 root audio 116, 33 Jun  8 16:05 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.17.3-0ubuntu4
  Architecture: ppc64el
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  DistroRelease: Ubuntu 15.10
  Lsusb:
   Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Package: linux (not installed)
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: root=UUID=962acf9e-cd1c-49b0-9264-801271cd510f ro console=hvc0
  ProcLoadAvg: 0.08 0.12 0.10 1/1126 3818
  ProcLocks:
   1: FLOCK  ADVISORY  WRITE 2951 00:12:14557 0 EOF
   2: POSIX  ADVISORY  WRITE 2952 00:12:43306 0 EOF
   3: POSIX  ADVISORY  WRITE 2905 00:12:22701 0 EOF
   4: POSIX  ADVISORY  WRITE 2965 00:12:18505 0 EOF
  ProcSwaps:
   Filename				Type		Size	Used	Priority
   /swap.img                               file		8388544	0	-1
  ProcVersion: Linux version 3.19.0-20-generic (buildd@fisher03) (gcc version 4.9.2 (Ubuntu 4.9.2-10ubuntu13) ) #20-Ubuntu SMP Fri May 29 10:03:56 UTC 2015
  ProcVersionSignature: Ubuntu 3.19.0-20.20-generic 3.19.8
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-20-generic N/A
   linux-backports-modules-3.19.0-20-generic  N/A
   linux-firmware                             1.144
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  wily uec-images
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 3.19.0-20-generic ppc64le
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  cpu_cores: Number of cores present = 20
  cpu_coreson: Number of cores online = 20
  cpu_dscr: DSCR is 0
  cpu_freq:
   min:	3.693 GHz (cpu 72)
   max:	3.695 GHz (cpu 87)
   avg:	3.694 GHz
  cpu_runmode:
   Could not retrieve current diagnostics mode,
   No firmware implementation of function
  cpu_smt: SMT=8

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