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[Mike Rushton <mike.rushton@xxxxxxxxxxxxx>]

@Joseph Salisbury

This is for Power 8 which is ppc64le. There are no mainline kernels for
this architecture that I could find.

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https://bugs.launchpad.net/bugs/1456316

Title:
  Power 8 duplicate drive assignments

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Model Hardware Power 8 8247-22L
  Ubuntu 14.04.2 LTS installed via MAAS deplyoment to bare metal (OPAL mode).
  kernel: 3.16.0-37-generic

  It seems that the kernel/system is duplicating the physical drives to
  additional drive assignments. In this case, there are 4 physical
  drives.

  /dev/sda 
  /dev/sdb
  /dev/sdc
  /dev/sdd

  The problem is, the system is also showing /dev/sde - /dev/sdh. These
  drive assignments are associated with the previous /dev/sda - /ev/sdd
  in order:

  /dev/sda = /dev/sde
  /dev/sdb = /dev/sdf
  /dev/sdc = /dev/sdg
  /dev/sdd = /dev/sdh

  Please see attached lshw.txt for details.
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 May 18 19:17 seq
   crw-rw---- 1 root audio 116, 33 May 18 19:17 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.14.1-0ubuntu3.10
  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 14.04
  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=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: root=UUID=8269eeb0-c861-4f2d-b284-a6a8c7adcef9 ro
  ProcVersionSignature: Ubuntu 3.16.0-37.51~14.04.1-generic 3.16.7-ckt9
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-37-generic N/A
   linux-backports-modules-3.16.0-37-generic  N/A
   linux-firmware                             1.127.11
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty uec-images
  Uname: Linux 3.16.0-37-generic ppc64le
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True

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