** Description changed:

+ [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 
+ 
+ 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
+   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
+  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
+  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 
+  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 
+ Userspace rpm: grub2-common
  Install disk info: /dev/sda2
  
  == Comment: #1 - Rolf Brudeseth <ro...@us.ibm.com> - 2015-03-09 21:42:08 ==
  Jeremy Kerr indicated that this is the fix:
  
- GRUB_DISABLE_OS_PROBER=true 
+ GRUB_DISABLE_OS_PROBER=true
  In /etc/default/grub
  
  == Comment: #3 - Rolf Brudeseth <ro...@us.ibm.com> - 2015-03-10 01:42:40 ==
  dude@tul304p1:/etc/default$ diff grub.orig grub
  5a6
  > GRUB_DISABLE_OS_PROBER=true
  
  dude@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
+  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 <ro...@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 
+ 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 <ro...@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@tul304p1:~$ cat /etc/lsb-release 
+  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@tul304p1:~$ cat /etc/lsb-release
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=14.10
  DISTRIB_CODENAME=utopic
  DISTRIB_DESCRIPTION="Ubuntu 14.10"

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

Title:
  Ubuntu creates cluttered Petitboot menu entries

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