[Bug 1472939] Comment bridged from LTC Bugzilla

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------- Comment From vaish123 at in.ibm.com 2015-07-09 08:58 EDT-------
Please provide the following info so we can better understand the parameters of your install:

Boot type (install was booted from):
- CDROM / ISO image
- Network boot
- HDD
- Other (specify):

Bootloader (if other than CDROM):
- grub
- yaboot
- Other (specify):

Bootloader protocol (netboot only):
- TFTP (in most cases)
- HTTP (optional, grub only)
- Unsure

Kernel cmdline used to launch install (if other than CDROM):
- List cmdline or attach full bootloader file, if available.
- HINT: You may be able to interrupt the bootloader at the menu
screen and get the bootloader to display the kernel cmdline.

Install repository type:
- CDROM
- Local repo (specify URL)
- Internet repo/mirror (specify URL)
- HDD
- Other (specify):

Install repository location (if network install):
- Repository URL:
- HTTP or FTP proxy used, if applicable:

Was a response file used during install? (Yes/No):
- If Yes please attach the file
- If No please describe install steps

Point of failure:
1. Failed during boot of installer
2. Failed while accessing install media (e.g unable to access install repository or kickstart file)
3. Other failure during installation (stage 1)
4. Failed to reboot after installation
5. Problem during post-install (stage 2) configuration or other problem seen after system reboot

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https://bugs.launchpad.net/bugs/1472939

Title:
  Ubuntu 15.10 fails to install manually.

Status in debian-installer package in Ubuntu:
  New

Bug description:
  Problem Description 
  ===============
        After setting up partitions I get the error "Failed to remove conflicting files. The installer needs to remove operating system files from the install target, but was unable to do so. The install cannot continue".

  Details
  =====
  System :- Power 8 VM

  Failure :-
               The installer needs to remove operating system files from the install target, but was unable to do so. The install cannot continue

  Link of Ubuntu 15.10 :-
                https://wiki.ubuntu.com/ppc64el/EarlyReleases

  Analysis :-
  1.  I observed that , I proceeded with Guided Partition using LVM and next time I used Manual but used previous LVM partition then I was able to proceed with Installation.

  2. Also I figured  out that if I create only swap and / partition, it
  will install manually without any errors but If I create PRePboot
  ,swap and / , this error occurs.

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