kernel-packages team mailing list archive

[Scott Moser <smoser@xxxxxxxxxx>]

Mike,
Please move issues with multipath (like are shown in that log) to bug 1462530.

Stefan had actually asked for almost exactly what you captured.

This bug is "fixed" as we're now booting into system correctly with
multipath enabled from installation under curtin.

I'll copy your comment and attachment there.

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https://bugs.launchpad.net/bugs/1371634

Title:
  block devices appear twice

Status in curtin package in Ubuntu:
  Fix Released
Status in linux package in Ubuntu:
  Invalid
Status in multipath-tools package in Ubuntu:
  Confirmed
Status in curtin source package in Trusty:
  New
Status in linux source package in Trusty:
  New
Status in multipath-tools source package in Trusty:
  New
Status in curtin source package in Vivid:
  New
Status in linux source package in Vivid:
  New
Status in multipath-tools source package in Vivid:
  New

Bug description:
  $ sudo blkid
  /dev/sr0: LABEL="Ubuntu-Server 14.04 LTS ppc64el" TYPE="iso9660"
  /dev/sda2: UUID="795a6e14-ea4e-4718-9e98-c6df3696920c" TYPE="ext4"
  /dev/sda3: UUID="0a91d81f-6a16-4b96-a92c-11ca8bdc4bf4" TYPE="swap"
  /dev/sdb2: UUID="1d14c1f3-716f-4fb8-9070-d321b39ffcb3" TYPE="ext4"
  /dev/sdb3: UUID="9c228177-d65c-4d19-a462-db1891e9781e" TYPE="swap"
  /dev/sdg2: UUID="795a6e14-ea4e-4718-9e98-c6df3696920c" TYPE="ext4"
  /dev/sdg3: UUID="0a91d81f-6a16-4b96-a92c-11ca8bdc4bf4" TYPE="swap"
  /dev/sdh2: UUID="1d14c1f3-716f-4fb8-9070-d321b39ffcb3" TYPE="ext4"
  /dev/sdh3: UUID="9c228177-d65c-4d19-a462-db1891e9781e" TYPE="swap"

  I'm not sure what exactly those block devices are (as in if they're
  raided in hardware or they actually represent physical spinning
  disks).  But I do know that writing data to sda causes that data to be
  readable from sdg.

  The same is true:
   sda -> sdg
   sdb -> sdh

  That is what causes those UUIDs to be similar.  Everything is
  functional, you just have to know that if your root device is /dev/sdg
  that you should probably not write data to /dev/sda thinking you can
  use it as a disk.

  Related bugs:
   * bug 1432062: multipath-tools-boot: support booting without user_friendly_names on devices with spaces in identifiers
   * bug 1463043 : some SM15K systems fail to boot after deployment - drop into initramfs shell 
   * bug 1462530 :  multipath errors on vivid, wily kernel
   * bug 1463046: installation of multipath-tools-boot can break boot

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-35-generic 3.13.0-35.62
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic ppc64le
  AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: ppc64el
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  CRDA: Error: [Errno 2] No such file or directory: 'iw'
  CurrentDmesg: [   88.736220] init: plymouth-upstart-bridge main process ended, respawning
  Date: Fri Sep 19 14:31:20 2014
  HibernationDevice: RESUME=UUID=9c228177-d65c-4d19-a462-db1891e9781e
  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
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: root=UUID=1d14c1f3-716f-4fb8-9070-d321b39ffcb3 ro console=hvc0 BOOTIF=01-6c-ae-8b-6a-a0-88 quiet
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-35-generic N/A
   linux-backports-modules-3.13.0-35-generic  N/A
   linux-firmware                             1.127.6
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)

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