[Bug 1447500] Update Released

Robie Basak 1447500 at bugs.launchpad.net
Wed Jan 25 10:46:56 UTC 2017 

The verification of the Stable Release Update for grub2 has completed
successfully and the package has now been released to -updates.
Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1447500

Title:
  Ubuntu creates cluttered Petitboot menu entries

Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2-signed package in Ubuntu:
  Fix Released
Status in grub2 source package in Xenial:
  Fix Released
Status in grub2-signed source package in Xenial:
  Fix Released

Bug description:
  [Impact]
  PowerNV users.

  [Test case]

  == PowerNV ==
  Needs to be done on a PowerNV system.
  1) Install another operating system on a separate disk partition (such as Fedora or whatnot)
  2) Install Ubuntu on a different partition.
  2) Ensure os-prober isn't run and that all that is listed in grub is the Ubuntu entries, and that the Petitboot menu correctly lists only Ubuntu under the right partition, and doesn't duplicate the other installed operating system.

  == Non-PowerNV ppc64el ==
  To be run on non-powerNV systems (any of powerVM/powerKVM)
  1) Install another operating system on a separate disk partition (see above)
  2) Install Ubuntu on a different partition
  3) Ensure the grub menu created by Ubuntu allows starting both operating systems.

  
  [Regression Potential]
  Due to the changes, os-prober not running to fill in the grub menu on a system with other operating systems installed (so as to list them in grub) would constitute a regression. Also, showing extra OSes again as retrieved from a partition's grub menu where os-prober should not have run.

  ----

  Problem Description
  ==============================
  Unlike PowerKVM and Fedora 21, Ubuntu 14.10 adds boot images from other disks to it's grub config which makes the Petitboot menu very cluttered.

  Machine Type = 8286-42A

  Steps to Reproduce
  ===============================
    Petitboot (dev.20150216)                                      8286-42A 107C53T

    [Disk: sdc2 / c0c232c5-da92-427d-b23e-fa9f8ac6a525]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-309.el7_1.ppc64le

    System information
    System configuration
    Language
    Rescan devices
    Retrieve config from URL
   *Exit to shell

  - I then installed Ubuntu 14.10 on a second drive:

   Petitboot (dev.20150216)
  8286-42A 107C53T

    [Disk: sdc2 / c0c232c5-da92-427d-b23e-fa9f8ac6a525]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-309.el7_1.ppc64le
    [Disk: sdb2 / cbe16446-c592-443d-971e-82ac66d07811]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-309.el7_1.ppc64le (on /dev/mapper/ibm
      unknown Linux distribution (on /dev/mapper/ibmpkvm_vg_root-ibmpkvm_lv_root)
      Ubuntu, with Linux 3.16.0-31-generic (recovery mode)
      Ubuntu, with Linux 3.16.0-31-generic
      Ubuntu

    System information
    System configuration
    Language
    Rescan devices
    Retrieve config from URL
   *Exit to shell

  - I then installed Fedora 21 a third drive:

   Petitboot (dev.20150216)
  8286-42A 107C53T

    [Disk: sda2 / af68d8cd-6430-408a-b66d-397ccd5641b1]
      Fedora, with Linux 0-rescue-979f4766a44f4658ae6c891a1e2d2e10
      Fedora, with Linux 3.17.4-301.fc21.ppc64p7
    [Disk: sdc2 / c0c232c5-da92-427d-b23e-fa9f8ac6a525]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-309.el7_1.ppc64le
    [Disk: sdb2 / cbe16446-c592-443d-971e-82ac66d07811]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-309.el7_1.ppc64le (on /dev/mapper/ibm
      unknown Linux distribution (on /dev/mapper/ibmpkvm_vg_root-ibmpkvm_lv_root)
      Ubuntu, with Linux 3.16.0-31-generic (recovery mode)
      Ubuntu, with Linux 3.16.0-31-generic
      Ubuntu

    System information
    System configuration
    Language
    Rescan devices
    Retrieve config from URL
   *Exit to shell

  - I then reinstalled Ubuntu 14.10 on the second drive:

   Petitboot (dev.20150216)
  8286-42A 107C53T

   *[Disk: sda2 / af68d8cd-6430-408a-b66d-397ccd5641b1]
      Fedora, with Linux 0-rescue-979f4766a44f4658ae6c891a1e2d2e10
      Fedora, with Linux 3.17.4-301.fc21.ppc64p7
    [Disk: sdc2 / c0c232c5-da92-427d-b23e-fa9f8ac6a525]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-309.el7_1.ppc64le
    [Disk: sdb2 / 0464ba94-dcfe-4b6e-841f-8a0a470562e1]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-309.el7_1.ppc64le (on /dev/mapper/ibm
      unknown Linux distribution (on /dev/mapper/ibmpkvm_vg_root-ibmpkvm_lv_root)
      Fedora, with Linux 0-rescue-979f4766a44f4658ae6c891a1e2d2e10 (on /dev/mappe
      Fedora, with Linux 3.17.4-301.fc21.ppc64p7 (on /dev/mapper/fedora--server_t
      Fedora release 21 (Twenty One) (on /dev/mapper/fedora--server_tul304p1-root
      Ubuntu, with Linux 3.16.0-31-generic (recovery mode)
      Ubuntu, with Linux 3.16.0-31-generic
      Ubuntu

    System information
    System configuration
    Language
    Rescan devices
    Retrieve config from URL
   *Exit to shell

  Install ISO Information: http://ports.ubuntu.com/ubuntu-
  ports/dists/utopic/main/installer-ppc64el/current/images/netboot
  /ubuntu-installer/ppc64el/

  Userspace tool common name: grub2
  The userspace tool has the following bit modes: 64-bit
  Install method: HTTP
  Userspace rpm: grub2-common
  Install disk info: /dev/sda2

  == Comment: #1 - Rolf Brudeseth <rolfb at us.ibm.com> - 2015-03-09 21:42:08 ==
  Jeremy Kerr indicated that this is the fix:

  GRUB_DISABLE_OS_PROBER=true
  In /etc/default/grub

  == Comment: #3 - Rolf Brudeseth <rolfb at us.ibm.com> - 2015-03-10 01:42:40 ==
  dude at tul304p1:/etc/default$ diff grub.orig grub
  5a6
  > GRUB_DISABLE_OS_PROBER=true

  dude at tul304p1:/etc/default$ sudo update-grub
  Generating grub configuration file ...
  Found linux image: /boot/vmlinux-3.16.0-31-generic
  Found initrd image: /boot/initrd.img-3.16.0-31-generic
  done

  - After a reboot:

   Petitboot (dev.20150216)
  8286-42A 107C53T

    [Disk: sda2 / af68d8cd-6430-408a-b66d-397ccd5641b1]
      Fedora, with Linux 0-rescue-979f4766a44f4658ae6c891a1e2d2e10
      Fedora, with Linux 3.17.4-301.fc21.ppc64p7
    [Disk: sdc2 / c0c232c5-da92-427d-b23e-fa9f8ac6a525]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-309.el7_1.ppc64le
    [Disk: sdb2 / 0464ba94-dcfe-4b6e-841f-8a0a470562e1]
      Ubuntu, with Linux 3.16.0-31-generic (recovery mode)
      Ubuntu, with Linux 3.16.0-31-generic
      Ubuntu

    System information
    System configuration
    Language
    Rescan devices
    Retrieve config from URL
   *Exit to shell

  == Comment: #7 - Rolf Brudeseth <rolfb at us.ibm.com> - 2015-04-07 18:32:26 ==
  This is with 15.04.

   Petitboot (dev.20150326)                                      8286-42A 107C53T
    [Disk: sdb2 / d484d832-fa95-4286-92ab-d5e533d1a121]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-312.el7_1.ppc64le
    [Disk: sda2 / 2024aac1-7d09-458d-8485-685a432310d0]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-312.el7_1.ppc64le (on /dev/mapper/ibm
      unknown Linux distribution (on /dev/mapper/ibmpkvm_vg_root-ibmpkvm_lv_root)
      Ubuntu, with Linux 3.19.0-12-generic (recovery mode)
      Ubuntu, with Linux 3.19.0-12-generic
      Ubuntu

    System information
    System configuration
    Language
    Rescan devices
    Retrieve config from URL
   *Exit to shell

  $ cat /etc/lsb-release
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=15.04
  DISTRIB_CODENAME=vivid
  DISTRIB_DESCRIPTION="Ubuntu Vivid Vervet (development branch)"

  == Comment: #8 - Rolf Brudeseth <rolfb at us.ibm.com> - 2015-04-07 19:25:46 ==
  I don't know if I have 14.10 or something newer.

  I installed from the 'utopic-updates' URL:
  http://ports.ubuntu.com/ubuntu-ports/dists/utopic-updates/main/installer-ppc64el/current/images/netboot/ubuntu-installer/ppc64el/

   Petitboot (dev.20150326)                                      8286-42A 107C53T
    [Disk: sdb2 / d484d832-fa95-4286-92ab-d5e533d1a121]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-312.el7_1.ppc64le
    [Disk: sda2 / 901486ef-660b-4f1d-8d19-2f728a065cbf]
      IBM_PowerKVM 3.1.0, with Linux 3.18.0-312.el7_1.ppc64le (on /dev/mapper/ibm
      unknown Linux distribution (on /dev/mapper/ibmpkvm_vg_root-ibmpkvm_lv_root)
      Ubuntu, with Linux 3.16.0-33-generic (recovery mode)
      Ubuntu, with Linux 3.16.0-33-generic
      Ubuntu

    System information
    System configuration
    Language
    Rescan devices
    Retrieve config from URL
   *Exit to shell

  dude at tul304p1:~$ cat /etc/lsb-release
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=14.10
  DISTRIB_CODENAME=utopic
  DISTRIB_DESCRIPTION="Ubuntu 14.10"

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